Electricity saving in Buildings using LEDs LightbulbsAkhtar Zeb
In this presentation an effort has been made to understand the potential of electricity saving in buildings by replacing traditional ligthbulbs by LEDs lightbulbs.
The document provides information about Hui-Ling Chang's portfolio, including a residential project in Bainbridge Island, Washington from 2010. It also details simulations conducted with various building performance modeling tools to evaluate the energy performance of the selected building by replacing the furnace with a heat pump. Additionally, it examines daylighting and thermal performance of solar control screens through simulations in Ladybug and Honeybee.
Zero energy homes combine energy efficiency and on-site solar energy production to consume no net energy on an annual basis. They achieve this through advanced insulation, air sealing, efficient appliances and lighting, and solar panels. Zero energy homes provide benefits like lower utility bills, improved comfort, health, and quality of life for occupants. They also help combat climate change by reducing reliance on fossil fuels. Construction of zero energy homes uses a 12 step process that emphasizes design, energy modeling, a tight building envelope, and maximizing energy efficiency and renewable energy.
The document discusses passive solar buildings, which are designed to harness solar energy for heating and cooling. Passive solar buildings utilize elements like southern windows, shading, and thermal mass materials to collect, store, and distribute solar heat in winter and reject it in summer without mechanical systems. There are three main categories of passive solar systems: direct gain, indirect gain, and isolated gain. Passive solar building provide benefits like lower energy costs, increased comfort, and harnessing a renewable resource without bills.
Assignment - Building Integration of Solar Energy (Slide)Kai Yun Pang
This document provides information about building integration of solar energy. It discusses various types of solar energy technologies including passive solar, active solar, photovoltaics, and solar thermal. It also covers solar panel components, different solar installation methods, applications of solar energy in buildings, maintenance considerations, and a case study of the Mont-Cenis Academy building which utilizes building integrated photovoltaics.
[Metropolia Student Project Seminar 24.5.] Zero Energy Buildings, Group BGBC Finland
This document discusses zero energy buildings and provides examples from Canada, New Zealand, and the United States. It defines zero energy buildings and compares different standards. The Riverdale NetZero project in Canada and Little Greenie in New Zealand are presented as residential examples that use solar panels, thermal mass, and heat recovery systems. A large zero carbon emission office building in St. Louis, Missouri uses photovoltaics, solar thermal tubes, and is 76% carbon reducing. The document suggests Finland could adopt zero energy building practices using local climate and technologies from neighbors.
Building Integrated Photovoltaic thermal solar collector (BIPVT) with Spiral flow absorber design is a collector not only used to generate electricity and thermal energy simultaneously but also can be integrated with the roof. Due to it characteristic as a roof, the collector is exposed to the direct sunlight resulting from a higher temperature on it surfaces. The temperature increased will simultaneously decrease it efficiency. An experiment has been conducted outdoor at Universiti Kebangsaan Malaysia to examine and evaluate the efficiency of the collector. Data for the experiment has been collected and gathered from 08:00 to 17:00 respectively. Results from the experiment recorded the best total efficiency of 65.10% (53.64% thermal efficiency and 11.46% electrical efficiency from the PV panel) at mass flow rate of 0.041kg/s and solar radiation of 1148W/m2. The effect of mass flow rates on open circuit voltage (Voc) and the modules short circuit current (Isc) are also presented.
Electricity saving in Buildings using LEDs LightbulbsAkhtar Zeb
In this presentation an effort has been made to understand the potential of electricity saving in buildings by replacing traditional ligthbulbs by LEDs lightbulbs.
The document provides information about Hui-Ling Chang's portfolio, including a residential project in Bainbridge Island, Washington from 2010. It also details simulations conducted with various building performance modeling tools to evaluate the energy performance of the selected building by replacing the furnace with a heat pump. Additionally, it examines daylighting and thermal performance of solar control screens through simulations in Ladybug and Honeybee.
Zero energy homes combine energy efficiency and on-site solar energy production to consume no net energy on an annual basis. They achieve this through advanced insulation, air sealing, efficient appliances and lighting, and solar panels. Zero energy homes provide benefits like lower utility bills, improved comfort, health, and quality of life for occupants. They also help combat climate change by reducing reliance on fossil fuels. Construction of zero energy homes uses a 12 step process that emphasizes design, energy modeling, a tight building envelope, and maximizing energy efficiency and renewable energy.
The document discusses passive solar buildings, which are designed to harness solar energy for heating and cooling. Passive solar buildings utilize elements like southern windows, shading, and thermal mass materials to collect, store, and distribute solar heat in winter and reject it in summer without mechanical systems. There are three main categories of passive solar systems: direct gain, indirect gain, and isolated gain. Passive solar building provide benefits like lower energy costs, increased comfort, and harnessing a renewable resource without bills.
Assignment - Building Integration of Solar Energy (Slide)Kai Yun Pang
This document provides information about building integration of solar energy. It discusses various types of solar energy technologies including passive solar, active solar, photovoltaics, and solar thermal. It also covers solar panel components, different solar installation methods, applications of solar energy in buildings, maintenance considerations, and a case study of the Mont-Cenis Academy building which utilizes building integrated photovoltaics.
[Metropolia Student Project Seminar 24.5.] Zero Energy Buildings, Group BGBC Finland
This document discusses zero energy buildings and provides examples from Canada, New Zealand, and the United States. It defines zero energy buildings and compares different standards. The Riverdale NetZero project in Canada and Little Greenie in New Zealand are presented as residential examples that use solar panels, thermal mass, and heat recovery systems. A large zero carbon emission office building in St. Louis, Missouri uses photovoltaics, solar thermal tubes, and is 76% carbon reducing. The document suggests Finland could adopt zero energy building practices using local climate and technologies from neighbors.
Building Integrated Photovoltaic thermal solar collector (BIPVT) with Spiral flow absorber design is a collector not only used to generate electricity and thermal energy simultaneously but also can be integrated with the roof. Due to it characteristic as a roof, the collector is exposed to the direct sunlight resulting from a higher temperature on it surfaces. The temperature increased will simultaneously decrease it efficiency. An experiment has been conducted outdoor at Universiti Kebangsaan Malaysia to examine and evaluate the efficiency of the collector. Data for the experiment has been collected and gathered from 08:00 to 17:00 respectively. Results from the experiment recorded the best total efficiency of 65.10% (53.64% thermal efficiency and 11.46% electrical efficiency from the PV panel) at mass flow rate of 0.041kg/s and solar radiation of 1148W/m2. The effect of mass flow rates on open circuit voltage (Voc) and the modules short circuit current (Isc) are also presented.
The document summarizes the Factor 9 Home in Regina, Saskatchewan, which was designed to use 90% less energy and 50% less water than a conventional home. Key aspects included super-insulated building envelope, airtight construction, passive solar design, and active solar thermal panels projected to provide over half the home's space and water heating. Measured performance found the home used 88% less energy and 66% less water annually compared to a typical home, meeting its aggressive conservation targets. The home demonstrated that extremely low-energy use is possible even in cold climates like Regina through integrated design principles.
This document summarizes a student project to build a solar powered water heater. It describes the materials used, which were kept cheap to remain within budget. It details the construction process and testing of the prototype. Testing showed it increased water temperature over 31 degrees, exceeding requirements. Calculations determined the device could save money if used long-term by an individual, but may not be highly profitable to mass produce due to manufacturing costs. Further testing is needed to refine efficiency calculations.
The document provides information on modeling and evaluating the energy performance of a building located in Bainbridge Island, Washington. It includes:
- Details on the building design, contractors, and specifications from different software simulations.
- Results of the simulations showing monthly energy consumption by end use and the total energy usage in different software programs.
- A comparison of energy usage for the building with a furnace versus a heat pump system, both with standard and larger windows.
- Breakdowns of heating and cooling loads, energy usage, and plant systems for the building when modeled in EnergyPlus and IES Virtual Environment simulation tools.
South-facing glass is a key component of passive solar design that uses direct sunlight to heat buildings without mechanical devices. In a direct gain system, sunlight enters through windows and warms interior spaces, with the living area absorbing heat and distributing it to thermal mass materials like masonry floors and walls. Direct gain systems can use 60-75% of sunlight's energy to heat the building. Double or triple glazed windows are recommended for direct gain to reduce heat loss during winter.
This document discusses passive solar buildings. Passive solar buildings are designed to allow sunlight to enter and provide heat during winter months while blocking sunlight in summer. They use elements like south-facing windows, thermal mass materials, and shading. Common passive solar systems include direct gain, indirect gain, and daylighting, which utilize thermal storage in walls and floors to capture and release the sun's heat. Passive solar buildings can reduce heating bills by up to 40% annually and provide comfortable indoor temperatures year-round with no mechanical assistance.
Estimation of HVAC energy saving potential in San Diego apartment units throu...Colin Moynihan
1) The study estimated the potential HVAC energy savings in San Diego apartment units from using passive solar shading devices through EnergyPlus simulations.
2) A maximum summer HVAC energy reduction of 29.6 kWh and peak demand reduction of 17.1 W was found, but this corresponded to a winter increase of 143.8 kWh annually.
3) The shading device was effective at reducing summer cooling loads but increased winter heating loads by blocking beneficial solar gains, resulting in no overall annual energy savings. Variable shading that accounts for seasonal solar angles is needed.
Residential Case Studies of Passive Strategiesaiahouston
This document summarizes a presentation about passive design strategies for homes in hot humid climates like Texas. It provides examples of over a dozen case studies of homes designed by the presenter to utilize passive strategies like shading, ventilation, thermal mass, and daylighting to reduce energy usage and increase comfort. Owners of these passive homes reported rarely needing to use mechanical cooling or heating except when entertaining guests. The presentation aimed to teach architects the importance of passive design and demonstrate that approaches beyond conventional wood frame construction can create sustainable, resilient homes.
THE DESIGN OF LOUVERS AS SHADING DEVICE & FAÇADE TREATMENT TO OPTIMIZE DAYLI...Zhao Wei Kim
In the tropical climate, it is challenging when dealing with glaring and hot sunlight. Louvers had become one of the strategies to overcome the heat and glare.
This document discusses passive solar buildings. Passive solar buildings are designed to collect, store, and distribute solar energy for heating and cooling. They use elements like south-facing windows, thermal mass materials, and shading to regulate temperatures. Passive solar design works by allowing sunlight to provide heat in winter while blocking excess heat in summer. It can reduce heating bills by 40% annually and includes different techniques like direct gain, indirect gain, and isolated gain. Examples of successful passive solar buildings are provided from the US and Germany.
Passive Solar Designby Software
-It is one part of green building design, and does not include active systems such as Mechanical ventilation or Photovoltaic.
-Three Passive Solar Principles that follow:
Principle 1: Site of Design & Sun Position.
Principle 2: Windows Design.
Principle 3: Overhangs & Shading.
The document summarizes the history and development of solar water heating. It describes how the first solar water heater was invented in the early 1900s in the US. Solar water heating later grew popular in other countries like Israel and Greece in the mid-20th century. The document also profiles the Greek company Venman, a leading manufacturer of solar water heaters and components, and describes its founder and manufacturing processes that ensure high product quality standards.
Introduction
What are passive solar building
How does passive solar building use sun’s power
How does it work
Passive solar design (rule of thumb)
System involved
Material consideration
Benefits
Usages among countries
Levels of application
Passive solar draught cooling
Advantages
Disadvantages
Conclusion
Review of Retrofitting of Academic Building by Energy Efficient TechniquesIRJET Journal
This document discusses various energy efficient techniques that can be implemented when retrofitting existing academic buildings, including passive solar techniques like building orientation, trombe wall construction, solar chimneys, and earth air cooling tubes. It also discusses active systems like photovoltaic cells, as well as improvements to the building envelope like double glazed windows, insulation, and shading. Implementing these techniques could potentially save 40-50% of a building's energy usage and reduce costs through lower energy bills and shorter payback periods of 5-8 years for the upgrades. The document provides details on several techniques and cites other literature reviewing green building examples in India incorporating these strategies.
This document provides an overview of passive house standards and principles. It begins by defining a passive house as a building that can maintain a comfortable interior climate without active heating and cooling through highly insulated building envelopes, airtight construction, and heat recovery ventilation. It then discusses key passive house targets for heating/cooling energy use, airtightness, and thermal comfort. Examples of certified passive house projects like offices, schools, and multifamily buildings are shown from Europe and Asia. The document outlines the key passive house principles of excellent insulation, eliminating thermal bridges, high-performance windows, and heat recovery ventilation. It also introduces the PHPP software tool used for passive house certification. Vancouver's progress toward passive house is noted
Passive solar buildings utilize passive solar gain and thermal mass to minimize energy costs and provide comfort. They are designed to maximize winter sun exposure through large, south-facing windows while minimizing overheating in summer through features like eaves, shading, and insulation. Thermal mass materials like concrete or brick absorb solar heat from windows and re-radiate it to maintain an even temperature without needing active heating systems. Proper orientation, insulation, and passive solar techniques can significantly reduce a building's energy costs through natural heating and cooling.
Net zero energy buildings are highly energy efficient buildings that produce as much renewable energy as they consume over the course of a year. They have net zero site energy, net zero source energy, net zero energy costs, and zero emissions. Buildings account for up to 40% of global energy consumption, so incorporating energy efficient design strategies can significantly reduce usage. With renewable energy sources, buildings can meet all of their energy needs. The document provides examples of design methods and materials that can be used to achieve net zero energy buildings and reduce costs, emissions, and increase comfort. It also highlights India's first net zero energy building as a case study.
Proper ventilation in one of the primary requirements of any domestic or commercial buildings. The conventional method employs usage of air conditioning or air cooling systems which requires high power consumption. The solar driven ventilation systems can be used in buildings which doesn’t require any external power. The current research reviews various researches conducted in improving system of passive ventilation along use of phase change material as energy storage system. Passive design of buildings does not use the electrical and mechanical systems in providing comfortable indoor environment. Prem Shankar Sahu | Praveen Kumar | Ajay Singh Paikra "Review on Solar Chimney Ventilation" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd42427.pdf Paper URL: https://www.ijtsrd.comengineering/mechanical-engineering/42427/review-on-solar-chimney-ventilation/prem-shankar-sahu
Presentation by Blake Redfield, City of St. Cloud. An LED street lighting forum was hosted at the League of Minnesota Cities Annual Conference on June 19th, where a packed room of 40 people learned first-hand from a tremendously knowledgeable line-up of speakers from across Minnesota. Learn more at http://www.cleanenergyresourceteams.org/blog/better-light-and-more-savings-led-street-lights-conference-session-recap
Design of a modified natural Egyptian solar house IJECEIAES
The rate of increase in energy consumption and high costs in addition to the depletion of existing resources has a significant impact on our standard of living for next generations. In this case, the priority is to develop alternative cost-effective sources for powering the residential and non-residential buildings. This paper proposes and develops a design of a modified small two-story residential solar house for a medium-sized family located in Cairo, Egypt. This modified solar house meets almost all its energy demands including space heating by using solar air collector with a pebble storage unit in winter and a summer cooling system using wind catcher theory. Hot water is obtained throughout the day by using a steel sheltered water storage tank with a capacity of 1000 liter. Finally, the proposed heating system of the solar house is sized and modeled.
This document summarizes a presentation given at the First Hellenic Conference for the Passive House on October 6, 2012. The presentation discusses the Passive House concept and how solar shading can help reduce cooling loads in Passive Houses. It notes that shading is crucial for passive cooling strategies and can reduce cooling energy needs by up to 90% when combined with other techniques like natural ventilation and high insulation. The presentation also encourages the use of automated exterior solar shading and recommends keeping interior temperatures below 25°C for passive cooling.
The document summarizes information about BOD Group, a manufacturer of optical discs and solar panels based in the Baltic states. It operates optical disc production since 1998 and has expanded into solar panel production with a 67MW manufacturing line starting in late 2013. BOD Group has over 140 employees, exports 85% of production to over 30 countries, and reinvests 15-20% of revenues into R&D each year. It has constructed an innovative new building for its operations that utilizes geothermal energy for heating and cooling, saving an estimated 60% on energy costs compared to conventional systems.
The document summarizes the Factor 9 Home in Regina, Saskatchewan, which was designed to use 90% less energy and 50% less water than a conventional home. Key aspects included super-insulated building envelope, airtight construction, passive solar design, and active solar thermal panels projected to provide over half the home's space and water heating. Measured performance found the home used 88% less energy and 66% less water annually compared to a typical home, meeting its aggressive conservation targets. The home demonstrated that extremely low-energy use is possible even in cold climates like Regina through integrated design principles.
This document summarizes a student project to build a solar powered water heater. It describes the materials used, which were kept cheap to remain within budget. It details the construction process and testing of the prototype. Testing showed it increased water temperature over 31 degrees, exceeding requirements. Calculations determined the device could save money if used long-term by an individual, but may not be highly profitable to mass produce due to manufacturing costs. Further testing is needed to refine efficiency calculations.
The document provides information on modeling and evaluating the energy performance of a building located in Bainbridge Island, Washington. It includes:
- Details on the building design, contractors, and specifications from different software simulations.
- Results of the simulations showing monthly energy consumption by end use and the total energy usage in different software programs.
- A comparison of energy usage for the building with a furnace versus a heat pump system, both with standard and larger windows.
- Breakdowns of heating and cooling loads, energy usage, and plant systems for the building when modeled in EnergyPlus and IES Virtual Environment simulation tools.
South-facing glass is a key component of passive solar design that uses direct sunlight to heat buildings without mechanical devices. In a direct gain system, sunlight enters through windows and warms interior spaces, with the living area absorbing heat and distributing it to thermal mass materials like masonry floors and walls. Direct gain systems can use 60-75% of sunlight's energy to heat the building. Double or triple glazed windows are recommended for direct gain to reduce heat loss during winter.
This document discusses passive solar buildings. Passive solar buildings are designed to allow sunlight to enter and provide heat during winter months while blocking sunlight in summer. They use elements like south-facing windows, thermal mass materials, and shading. Common passive solar systems include direct gain, indirect gain, and daylighting, which utilize thermal storage in walls and floors to capture and release the sun's heat. Passive solar buildings can reduce heating bills by up to 40% annually and provide comfortable indoor temperatures year-round with no mechanical assistance.
Estimation of HVAC energy saving potential in San Diego apartment units throu...Colin Moynihan
1) The study estimated the potential HVAC energy savings in San Diego apartment units from using passive solar shading devices through EnergyPlus simulations.
2) A maximum summer HVAC energy reduction of 29.6 kWh and peak demand reduction of 17.1 W was found, but this corresponded to a winter increase of 143.8 kWh annually.
3) The shading device was effective at reducing summer cooling loads but increased winter heating loads by blocking beneficial solar gains, resulting in no overall annual energy savings. Variable shading that accounts for seasonal solar angles is needed.
Residential Case Studies of Passive Strategiesaiahouston
This document summarizes a presentation about passive design strategies for homes in hot humid climates like Texas. It provides examples of over a dozen case studies of homes designed by the presenter to utilize passive strategies like shading, ventilation, thermal mass, and daylighting to reduce energy usage and increase comfort. Owners of these passive homes reported rarely needing to use mechanical cooling or heating except when entertaining guests. The presentation aimed to teach architects the importance of passive design and demonstrate that approaches beyond conventional wood frame construction can create sustainable, resilient homes.
THE DESIGN OF LOUVERS AS SHADING DEVICE & FAÇADE TREATMENT TO OPTIMIZE DAYLI...Zhao Wei Kim
In the tropical climate, it is challenging when dealing with glaring and hot sunlight. Louvers had become one of the strategies to overcome the heat and glare.
This document discusses passive solar buildings. Passive solar buildings are designed to collect, store, and distribute solar energy for heating and cooling. They use elements like south-facing windows, thermal mass materials, and shading to regulate temperatures. Passive solar design works by allowing sunlight to provide heat in winter while blocking excess heat in summer. It can reduce heating bills by 40% annually and includes different techniques like direct gain, indirect gain, and isolated gain. Examples of successful passive solar buildings are provided from the US and Germany.
Passive Solar Designby Software
-It is one part of green building design, and does not include active systems such as Mechanical ventilation or Photovoltaic.
-Three Passive Solar Principles that follow:
Principle 1: Site of Design & Sun Position.
Principle 2: Windows Design.
Principle 3: Overhangs & Shading.
The document summarizes the history and development of solar water heating. It describes how the first solar water heater was invented in the early 1900s in the US. Solar water heating later grew popular in other countries like Israel and Greece in the mid-20th century. The document also profiles the Greek company Venman, a leading manufacturer of solar water heaters and components, and describes its founder and manufacturing processes that ensure high product quality standards.
Introduction
What are passive solar building
How does passive solar building use sun’s power
How does it work
Passive solar design (rule of thumb)
System involved
Material consideration
Benefits
Usages among countries
Levels of application
Passive solar draught cooling
Advantages
Disadvantages
Conclusion
Review of Retrofitting of Academic Building by Energy Efficient TechniquesIRJET Journal
This document discusses various energy efficient techniques that can be implemented when retrofitting existing academic buildings, including passive solar techniques like building orientation, trombe wall construction, solar chimneys, and earth air cooling tubes. It also discusses active systems like photovoltaic cells, as well as improvements to the building envelope like double glazed windows, insulation, and shading. Implementing these techniques could potentially save 40-50% of a building's energy usage and reduce costs through lower energy bills and shorter payback periods of 5-8 years for the upgrades. The document provides details on several techniques and cites other literature reviewing green building examples in India incorporating these strategies.
This document provides an overview of passive house standards and principles. It begins by defining a passive house as a building that can maintain a comfortable interior climate without active heating and cooling through highly insulated building envelopes, airtight construction, and heat recovery ventilation. It then discusses key passive house targets for heating/cooling energy use, airtightness, and thermal comfort. Examples of certified passive house projects like offices, schools, and multifamily buildings are shown from Europe and Asia. The document outlines the key passive house principles of excellent insulation, eliminating thermal bridges, high-performance windows, and heat recovery ventilation. It also introduces the PHPP software tool used for passive house certification. Vancouver's progress toward passive house is noted
Passive solar buildings utilize passive solar gain and thermal mass to minimize energy costs and provide comfort. They are designed to maximize winter sun exposure through large, south-facing windows while minimizing overheating in summer through features like eaves, shading, and insulation. Thermal mass materials like concrete or brick absorb solar heat from windows and re-radiate it to maintain an even temperature without needing active heating systems. Proper orientation, insulation, and passive solar techniques can significantly reduce a building's energy costs through natural heating and cooling.
Net zero energy buildings are highly energy efficient buildings that produce as much renewable energy as they consume over the course of a year. They have net zero site energy, net zero source energy, net zero energy costs, and zero emissions. Buildings account for up to 40% of global energy consumption, so incorporating energy efficient design strategies can significantly reduce usage. With renewable energy sources, buildings can meet all of their energy needs. The document provides examples of design methods and materials that can be used to achieve net zero energy buildings and reduce costs, emissions, and increase comfort. It also highlights India's first net zero energy building as a case study.
Proper ventilation in one of the primary requirements of any domestic or commercial buildings. The conventional method employs usage of air conditioning or air cooling systems which requires high power consumption. The solar driven ventilation systems can be used in buildings which doesn’t require any external power. The current research reviews various researches conducted in improving system of passive ventilation along use of phase change material as energy storage system. Passive design of buildings does not use the electrical and mechanical systems in providing comfortable indoor environment. Prem Shankar Sahu | Praveen Kumar | Ajay Singh Paikra "Review on Solar Chimney Ventilation" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-4 , June 2021, URL: https://www.ijtsrd.compapers/ijtsrd42427.pdf Paper URL: https://www.ijtsrd.comengineering/mechanical-engineering/42427/review-on-solar-chimney-ventilation/prem-shankar-sahu
Presentation by Blake Redfield, City of St. Cloud. An LED street lighting forum was hosted at the League of Minnesota Cities Annual Conference on June 19th, where a packed room of 40 people learned first-hand from a tremendously knowledgeable line-up of speakers from across Minnesota. Learn more at http://www.cleanenergyresourceteams.org/blog/better-light-and-more-savings-led-street-lights-conference-session-recap
Design of a modified natural Egyptian solar house IJECEIAES
The rate of increase in energy consumption and high costs in addition to the depletion of existing resources has a significant impact on our standard of living for next generations. In this case, the priority is to develop alternative cost-effective sources for powering the residential and non-residential buildings. This paper proposes and develops a design of a modified small two-story residential solar house for a medium-sized family located in Cairo, Egypt. This modified solar house meets almost all its energy demands including space heating by using solar air collector with a pebble storage unit in winter and a summer cooling system using wind catcher theory. Hot water is obtained throughout the day by using a steel sheltered water storage tank with a capacity of 1000 liter. Finally, the proposed heating system of the solar house is sized and modeled.
This document summarizes a presentation given at the First Hellenic Conference for the Passive House on October 6, 2012. The presentation discusses the Passive House concept and how solar shading can help reduce cooling loads in Passive Houses. It notes that shading is crucial for passive cooling strategies and can reduce cooling energy needs by up to 90% when combined with other techniques like natural ventilation and high insulation. The presentation also encourages the use of automated exterior solar shading and recommends keeping interior temperatures below 25°C for passive cooling.
The document summarizes information about BOD Group, a manufacturer of optical discs and solar panels based in the Baltic states. It operates optical disc production since 1998 and has expanded into solar panel production with a 67MW manufacturing line starting in late 2013. BOD Group has over 140 employees, exports 85% of production to over 30 countries, and reinvests 15-20% of revenues into R&D each year. It has constructed an innovative new building for its operations that utilizes geothermal energy for heating and cooling, saving an estimated 60% on energy costs compared to conventional systems.
REFURBISHMENT OF RESIDENTIAL BUILDINGS ACCORDING TO THE SERBIAN POLICYVladimir Jovanovic
REFURBISHMENT OF RESIDENTIAL BUILDINGS
ACCORDING TO THE SERBIAN POLICY
A CASE STUDY IN BELGRADE
Vladimir Jovanovic, M.Arch, PhD student at Institute for Architecture and Design, TU Wien
Karin Stieldorf, Ass. Prof. at Institute for Architecture and Design, TU Wien
Toolbox to Design Housing Refurbishment, Vladimir JovanovicVladimir Jovanovic
The document describes the development of a toolbox to assist designers in the early design phase of housing refurbishment projects in Serbia. The toolbox evaluates the effectiveness of individual retrofit measures through simulation and a case study. It contains options for upgrading building envelope elements like walls, floors, roofs and windows. The case study uses the toolbox to diagnose the initial condition of a house and propose two renovation scenarios. Simulation results show external wall insulation and roof insulation are the most effective envelope measures for reducing heating demands. The established toolbox provides first-step information and a systematic approach for housing retrofits.
The document discusses Suncol's integrated solar roof element called THE Roof Element. It is a multifunctional roof panel that integrates solar thermal energy collection, thermal insulation, and a weatherproof structural element. This provides an all-in-one solution for building roofs compared to separate, piecemeal existing solutions. Suncol believes THE Roof Element will be more affordable and attractive for new zero-energy building requirements. It has the potential to disrupt current solar thermal and insulation panel markets in Europe.
1. A photovoltaic installation consists of PV modules, electrical components like cables and an inverter to convert DC to AC power, and possibly solar trackers.
2. The inverter converts the DC power from the PV modules to AC power that can be fed into the electrical grid. Different inverters are suitable for different system sizes.
3. Monocrystalline PV modules have a higher efficiency around 14-16% but are more expensive than polycrystalline modules which have an efficiency of 12-14%.
This document provides details for a basement car park design including 3D renderings and sections of a proposed leisure centre. It includes specifications for various building materials used in the construction such as precast concrete slabs, structural screed, plasterboard and curtain walling systems. Renderings and sections show the building layout and integration of design elements like a green roof, rainscreen panels, and curtain walling.
Feasible EE and RES Investments in SME Hotels in Croatia - Matija VajdicSustDevMe
This document discusses energy efficiency and renewable energy investments in small and medium-sized hotels in Croatia. It provides information on Croatia's final energy consumption projections by sector for 2050, including increased efficiency in households, services, and industry. Specific regulations regarding nearly-zero energy buildings are mentioned. Investment requirements for renovating buildings to higher energy standards are quantified. Current Croatian programs that provide financing for energy efficiency and renewable energy projects in public and commercial buildings are described. Case studies analyze potential energy savings and investments in retrofitting several Croatian hotels. Charts show the energy consumption, expenses, and guest nights for different hotels over a year. Available sources of financing for such projects in Croatia are outlined.
Nowadays the concept of Net ZEB is well-known
and widespread in the scientific community. The European
Union has set ambitious targets for 2020 and even more
ambitious for 2050. In order to reduce the domestic GHG
emissions by 80-95%, compared to 1990 levels- till 2050, the
building sector has to do its part and to pass through a deep
restructure. Therefore, it is grown the interest in design and
technical solutions for achieving a zero or nearly zero energy
building. This paper investigate several construction technologies
and system of energy production that can be adopted to build an
“enhanced saving” (parsimonious) building, which can strive for
the objective of NetZEB. Moreover the economic analysis of the
feasibility of the NZEB target has been developed.
DeltaTi Consortium research activities focuses on deployment on the market new embedded system with thermoelectrical property based on nanostructured Si-based Alloy for cooling\thermogenerations into embedded ICs
This document provides an overview of KSB Co., Ltd. including its history, key products, certifications, patents, and support received from KICOX projects. KSB was established in 1999 and has since developed LED lighting, visual information displays, and cooling/heating systems using nanotube technology. It has 28 patents and design registrations and applications pending. KICOX projects have helped KSB develop nanotube production technologies, LED lighting systems, and solar thermal collection products to commercialize. KSB has seen success in overseas LED lighting projects particularly in Brazil and estimates $5 billion in revenues for 2015.
Satu Paiho, Asuinalueiden energiatehokas korjaaminenGBC Finland
This document summarizes research on improving the energy efficiency of residential districts in Russia through renovation. It finds that 60% of Russian housing needs capital repairs, and 11% requires urgent renovation. A typical Moscow district from the 1960s-70s containing 13,800 residents was analyzed. Renovation concepts showed potential for reducing energy usage by up to 68% and emissions. Advanced renovation had the highest net present value over 20 years. Stakeholder motivations and the need for holistic district renovations rather than just building-level work are discussed.
ELECTRICITY GENERATED BY WASTE MATERIALIRJET Journal
This document describes a project to generate electricity from waste materials. Heating panels collect heat from burning waste materials and convert it to electricity. The electricity is stored in batteries which power LED lights. When the heating sensor detects sufficient heat, the LED lights turn on, demonstrating that electricity has been successfully generated from waste and stored. The goal of the project is to show that waste materials can be used to generate usable electricity as an alternative energy source.
This document summarizes three near-zero energy building renovation projects in Bulgaria. The first project renovated a 13-unit apartment building in 2004, improving insulation of walls, floors, roofs and windows and reducing energy consumption by 46%. The second project renovated a 13-unit building in 2011, improving insulation, windows and adding solar panels, reducing energy use by 47%. The third project renovated a 16-unit building in 2011, improving insulation of walls, roofs, windows and adding more solar panels, reducing energy consumption by 68%. All projects faced barriers of organizing homeowners and lack of financing that were addressed through homeowners associations and obtaining loans and subsidies.
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Bioenergy for the Region - House 2020
1. HOUSE 2020 Zero-energy building Smart house, smart region 7 th June 2011 PhD Students: Andrzej Klimek, M.Arch. - architecture Marcin Janicki, M.Sc. – construction materials Eliza Tkacz, M.Sc. Łukasz Adrian, M.Sc. Katarzyna Znajdek, M.Sc. Marta Jabłońska, M.A. – monitoring system installations
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6. Bioclimatic design in ‘HOUSE 2020’ Ground Floor First Floor Cross-section 7 th June 2011
10. Positive wall example 7 th June 2011 Month Vapour condensation January NO February NO March NO April NO May NO June NO July NO August NO September NO October NO November NO December NO Number of layers: 4 R = 7.855 [m 2 K/W] U = 0.127 [W/m 2 K] No. Material type d [m] [W/mK] s d [m] Exterior 1 External plaster coated with mineral film 0.015 0.180 6 0.09 2 Mineral wool FASTROCK 0.300 0.041 1 0.30 3 Silica brick 0.240 0.900 20 4.80 4 Internal cement-lime plaster 0.015 0.820 10 0.15 Interior
11. Negative wall example 7 th June 2011 Month Vapour condensation Monthly condensation [kg/m 2 ] Accumulated condensation [kg/m 2 ] January YES 0.07937 0.21454 February YES 0.06754 0.28208 March YES 0.05221 0.33428 April NO -0.00819 0.32609 May NO -0.04933 0.27676 June NO -0.08919 0.18757 July NO -0.08848 0.09908 August NO -0.09665 0.00244 September NO -0.05060 0.00000 October YES 0.00910 0.00910 November YES 0.04937 0.05847 December YES 0.07670 0.13517 Number of layers: 5 R = 7.855 [m 2 K/W] U = 0.127 [W/m 2 K] No. Material type d [m] [W/mK] s d [m] Exterior 1 Acrylic plaster thin film 0.001 0.200 10000 10.00 2 External plaster 0.015 0.180 6 0.09 3 Mineral wool FASTROCK 0.300 0.041 1 0.30 4 Silica brick 0.240 0.900 20 4.80 5 Internal cement-lime plaster 0.015 0.820 10 0.15 Interior
12. Installation s Combined heat and power system Solar hybryd system PV inverter 7 th June 2011
The concept will also include the idea of smart grids, making communication among the set of buildings possible. The energy consumption user profile will be analysed and optimized in a way that maximizes the use od Renewable Energy Resources installed in a building or a set of buildings.