This chapter discusses different types of wall systems used in construction, including stud walls made of wood or steel, masonry or concrete bearing walls, structural frame walls, and structural panel walls. It covers framing, sheathing materials like plywood and gypsum board, and insulation types like batt, rigid foam board, and spray foam. The chapter also discusses vapor retarders and their proper placement depending on climate zone as well as interior substrate materials like traditional plaster versus drywall. Designers must determine if walls are load-bearing before making any structural changes.
To tackle the environment change every people should make their building that is thermally insulated. So that you can feel comfortable within home. T o know more go through https://blog.builtify.in/2019/08/how-to-make-your-house-thermally-insulated-builtify.html
To tackle the environment change every people should make their building that is thermally insulated. So that you can feel comfortable within home. T o know more go through https://blog.builtify.in/2019/08/how-to-make-your-house-thermally-insulated-builtify.html
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
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Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
HEAP SORT ILLUSTRATED WITH HEAPIFY, BUILD HEAP FOR DYNAMIC ARRAYS.
Heap sort is a comparison-based sorting technique based on Binary Heap data structure. It is similar to the selection sort where we first find the minimum element and place the minimum element at the beginning. Repeat the same process for the remaining elements.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
NUMERICAL SIMULATIONS OF HEAT AND MASS TRANSFER IN CONDENSING HEAT EXCHANGERS...ssuser7dcef0
Power plants release a large amount of water vapor into the
atmosphere through the stack. The flue gas can be a potential
source for obtaining much needed cooling water for a power
plant. If a power plant could recover and reuse a portion of this
moisture, it could reduce its total cooling water intake
requirement. One of the most practical way to recover water
from flue gas is to use a condensing heat exchanger. The power
plant could also recover latent heat due to condensation as well
as sensible heat due to lowering the flue gas exit temperature.
Additionally, harmful acids released from the stack can be
reduced in a condensing heat exchanger by acid condensation. reduced in a condensing heat exchanger by acid condensation.
Condensation of vapors in flue gas is a complicated
phenomenon since heat and mass transfer of water vapor and
various acids simultaneously occur in the presence of noncondensable
gases such as nitrogen and oxygen. Design of a
condenser depends on the knowledge and understanding of the
heat and mass transfer processes. A computer program for
numerical simulations of water (H2O) and sulfuric acid (H2SO4)
condensation in a flue gas condensing heat exchanger was
developed using MATLAB. Governing equations based on
mass and energy balances for the system were derived to
predict variables such as flue gas exit temperature, cooling
water outlet temperature, mole fraction and condensation rates
of water and sulfuric acid vapors. The equations were solved
using an iterative solution technique with calculations of heat
and mass transfer coefficients and physical properties.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
6. • Standard spacing for wall studs does vary between 12”, 16”, and
24”, but the vast majority of walls are built using spacing of 16”
on center.
• After stud walls are framed (the skeleton of studs put together)
they are sheathed to make them stable.
• Sheathing materials include those used for interior and those
used for exteriors, the main difference being durability and
weather resistance.
• Sheathing materials include: plywood, OSB (oriented strand
board) particle board, gypsum board, cementitious boards,
masonite, various plastics, and even sheet metals.
7. Concrete and Masonry Bearing Walls
• Poured concrete, pre-cast concrete, concrete masonry units
(CMU) brick, and stone.
• Walls made using these materials are more difficult to cut, or
drill through, making the placement of electrical wires, duct
work, and plumbing difficult.
•
8. Brick bearing walls
Stone bearing walls
(The thickness of the walls is the visual clue to bearing
or non-bearing)
10. Most exterior walls, and many interior walls contain
some form of insulation.
• Four main types of insulation are:
– batt insulation
– rigid board insulation
– cellulose insulation
– spray foam insulation
– Insulation can be made from recycled paper pulp, or other natural
fibers to reduce environmental impact.
– Many types of insulation are made using plastics and chemicals
that may or may not contain toxins, and may be extremely
flammable.
12. Vapor Retarders
• Condensation within the wall cavity occurs when there is a
substantial difference in temperature between the inside and the
outside.
• The vapor retarder (vapor barrier) is installed in the wall towards
the warmer side.
• This can vary depending on the climate zone.
• In cold climates the vapor retarder is installed toward the inside;
in hot and humid climates, toward the outside.
16. Product information from the Certain Teed Company
about
Mem Brain vapor retarder
• MemBrain was designed on an ingenious principle: If you can’t escape the possibility of
moisture entering a wall, why not let the moisture in the wall escape?
• Made from an advanced material that changes its permeability with the ambient humidity
condition, MemBrain acts like a traditional vapor retarder to protect wall cavities, but also
allows closed building envelope systems to dramatically increase their drying potential with
seasonal climatic changes.
• Designed to be applied over unfaced fiber glass insulation, loose-fill applications and spray
foam, MemBrain looks similar to typical polyethylene sheeting, but is actually a polyamide-
based material that gives MemBrain its unique ability to adapt its permeability depending on
the climatic conditions.
• With a high resistance to water vapor in winter or low humidity, MemBrain behaves like a
moisture vapor retarder such as poly sheeting. When the relative humidity increases, as in
the summer season, its water vapor permeability increases dramatically. This allows water
vapor to escape the wall cavity easily.
17. Interior Substrate Materials
• The selection of interior finish materials for wall surfaces is a
substantial environmental impact decision.
• A traditional plaster wall is more environmentally ‘clean’ than
gypsum board.
• Traditional plaster walls are made using a three coat system:
– scratch coat: the thickest, (about 3/4”thick) base layer of rough
plaster
– brown coat: a thinner, (about 1/2” thick) less rough layer of plaster
– finish coat: a thinner (about 1/4” thick) fine, white plaster.
20. Bearing Walls
• Interior designers cannot legally change the structure of a
building in any way.
• If an interior designer believes that a partition is bearing loads,
or has any doubt about that, they must contact an architect, or
an engineer.
• General rules of thumb for dealing with structural matters:
– never remove a column
– in wood construction, the flooring generally runs perpendicular to
the structural frame below
– window openings should not be enlarged without consulting an
architect or engineer.
– do not remove interior partitions until it is determined that they are
non-load bearing, or until alternative support has been constructed.