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High Efficiency Indirect Air Economizer Based Cooling for Data CentersSchneider Electric
Of the various economizer (free cooling) modes for data centers, using fresh air is often viewed as the most energy efficient approach. However, this paper shows how indirect air economizer-based cooling produces similar or better energy savings while eliminating risks posed when outside fresh air is allowed directly into the IT space.
Data Center Free Cooling in the Middle EastSyskaHennessy
Analysis of the options to provide cost effective data cooling in Middle East countries.
By Noriel Ong, ASEAN Eng., MIET, PMP, PQP, ATD; Syska Hennessy Group.
Comparative Study of ECONOMISER Using the CFD Analysis IJMER
This paper presents a simulation of the economizer zone, which allowsstudying the flow
patterns developed in the fluid, while it flows along the length of the economizer. The past failure
details revelsthat erosion is more in U-bend areas of Economizer Unit because of increase in flue gas
velocity near these bends. But it isobserved that the velocity of flue gases surprisingly increases near
the lower bends as compared to upper ones. The model issolved using conventional CFD techniques by
FLUENT software. In which the individual tubes are treated as sub-gridfeatures. A geometrical model
is used to describe the multiplicity of heat-exchanging structures and the interconnectionsamong them.
The Computational Fluid Dynamics (CFD) approach is utilised for the creation of a three-dimensional
modelof the economizer coil of single column tube. With equilibrium assumption applied for
description of the system chemistry. The flue gastemperature, pressure and velocity field of fluid flow
within an economizer tube using the actual bounda
When developing data center energy-use estimations, engineers must account for all sources of energy use in the facility. Most energy consumption is obvious: computers, cooling plant and related equipment, lighting, and other miscellaneous electrical loads. Designing efficient and effective data centers is a top priority for consulting engineers. Cooling is a large portion of data center energy use, second only to the IT load. Although there are several options to help maximize HVAC efficiency and minimize energy consumption, data centers come in many shapes, sizes, and configurations. By developing a deep understanding of their client’s data center HVAC requirements, consulting engineers can help maintain the necessary availability level of mission critical applications while reducing energy consumption.
High Efficiency Indirect Air Economizer Based Cooling for Data CentersSchneider Electric
Of the various economizer (free cooling) modes for data centers, using fresh air is often viewed as the most energy efficient approach. However, this paper shows how indirect air economizer-based cooling produces similar or better energy savings while eliminating risks posed when outside fresh air is allowed directly into the IT space.
Data Center Free Cooling in the Middle EastSyskaHennessy
Analysis of the options to provide cost effective data cooling in Middle East countries.
By Noriel Ong, ASEAN Eng., MIET, PMP, PQP, ATD; Syska Hennessy Group.
Comparative Study of ECONOMISER Using the CFD Analysis IJMER
This paper presents a simulation of the economizer zone, which allowsstudying the flow
patterns developed in the fluid, while it flows along the length of the economizer. The past failure
details revelsthat erosion is more in U-bend areas of Economizer Unit because of increase in flue gas
velocity near these bends. But it isobserved that the velocity of flue gases surprisingly increases near
the lower bends as compared to upper ones. The model issolved using conventional CFD techniques by
FLUENT software. In which the individual tubes are treated as sub-gridfeatures. A geometrical model
is used to describe the multiplicity of heat-exchanging structures and the interconnectionsamong them.
The Computational Fluid Dynamics (CFD) approach is utilised for the creation of a three-dimensional
modelof the economizer coil of single column tube. With equilibrium assumption applied for
description of the system chemistry. The flue gastemperature, pressure and velocity field of fluid flow
within an economizer tube using the actual bounda
When developing data center energy-use estimations, engineers must account for all sources of energy use in the facility. Most energy consumption is obvious: computers, cooling plant and related equipment, lighting, and other miscellaneous electrical loads. Designing efficient and effective data centers is a top priority for consulting engineers. Cooling is a large portion of data center energy use, second only to the IT load. Although there are several options to help maximize HVAC efficiency and minimize energy consumption, data centers come in many shapes, sizes, and configurations. By developing a deep understanding of their client’s data center HVAC requirements, consulting engineers can help maintain the necessary availability level of mission critical applications while reducing energy consumption.
Optimize your air_circulation_and_minimize_your_air_conditionerAshok Sethuraman
Air conditioner usage makes everyone one of us, accountable to Local & Global Warming. First the AC user, as electricity consumer, and next the AC OEM who had given previously, yester-year-starred AC but now poorly rated, and last but not the least, the Govt, which needs to promote mandatorily, the Energy conservation in AC, AC Run hour & KWH monitoring, Star rated AC promotion and sales tax reduction in Star rated AC & other energy saving & monitoring gadgets.
The optimization of Air circulation inside the premises is that to ensure adequate but mild Air changes inside the premises, and not air blast by the old ceiling fans. This enables you to minimize the Air conditioner settings from 22* C to 27 * C first thus comforting you mildly with Air conditioning + air circulation around you. Automatically this will reduce the running AC hours, less AC KWH units consumed per day now.
Business is hard enough without having to worry about the climate of your facility or the comfort of your employees. CK Control Temp is a commercial HVAC contractor that delivers a complete range of mechanical services solutions for the industrial and commercial industries. We’ll find the perfect system and program for your business—so you can focus on your success, without having to sweat your working environment.
Eco Energy's holistic approach to energy saving helps companies reduce energy costs, increase profits, minimize their carbon footprint and demonstrate a commitment to a sustainable future.
Optimize your air_circulation_and_minimize_your_air_conditionerAshok Sethuraman
Air conditioner usage makes everyone one of us, accountable to Local & Global Warming. First the AC user, as electricity consumer, and next the AC OEM who had given previously, yester-year-starred AC but now poorly rated, and last but not the least, the Govt, which needs to promote mandatorily, the Energy conservation in AC, AC Run hour & KWH monitoring, Star rated AC promotion and sales tax reduction in Star rated AC & other energy saving & monitoring gadgets.
The optimization of Air circulation inside the premises is that to ensure adequate but mild Air changes inside the premises, and not air blast by the old ceiling fans. This enables you to minimize the Air conditioner settings from 22* C to 27 * C first thus comforting you mildly with Air conditioning + air circulation around you. Automatically this will reduce the running AC hours, less AC KWH units consumed per day now.
Business is hard enough without having to worry about the climate of your facility or the comfort of your employees. CK Control Temp is a commercial HVAC contractor that delivers a complete range of mechanical services solutions for the industrial and commercial industries. We’ll find the perfect system and program for your business—so you can focus on your success, without having to sweat your working environment.
Eco Energy's holistic approach to energy saving helps companies reduce energy costs, increase profits, minimize their carbon footprint and demonstrate a commitment to a sustainable future.
2. Commercial Hot Water Heating System Light Commercial Hot Water Heating System Forced-Air Heating System
Fuel Economizer Fuel Economizer Fuel Economizer
The Intellidyne Difference
IntelliCon ®-CHW is a microprocessor-based fuel- IntelliCon®-LCH is a microprocessor-based, fuel- IntelliCon®-FA is a microprocessor-based,
• Unlike static control economizers, saving economizer for commercial hot-water (hydronic) saving economizer for light-commercial hot-water fuel-saving economizer for forced-air
Intellidyne economizers provide heating systems. IntelliCon-CHW reduces fuel (hydronic) heating systems. IntelliCon-LCH saves heating systems. IntelliCon-FA reduces:
“state-of-the-art” microprocessor- consumption, wear on parts, flue emissions and energy by adjusting the burner run pattern to match fuel consumption, wear and tear on parts,
based dynamic cycle management, electrical usage, when installed on any new or existing the system’s “heat load”, determined by a strap-on flue emissions and electrical usage, when
to achieve the maximum in system gas or oil burner. temperature sensor that monitors the boiler’s out-flow installed on any new or existing forced-air
efficiency and pollution reduction water temperature and the rate that the temperature furnace.
Low Average High
Savings Range:
• Economizers with illuminated LCD 10.9% 15.6% 27.9% changes.
displays show runtime savings, Low Average High
Savings Range:
runtime hours, economizing hours, 10.8% 17.5% 38.3%
operating temperatures, operating
modes and system diagnostics,
depending on the model Commercial Steam Heating System Light Commercial Steam Heating System
Fuel Economizer Fuel Economizer
• Increases savings without upgrading
or replacing your entire system IntelliCon®-CHS is a microprocessor-based, fuel- IntelliCon®-LCS is a microprocessor-based, fuel-
saving economizer for commercial steam heating saving economizer for light-commercial steam heating
• Reduces maintenance and
systems. IntelliCon-CHS saves energy by adjusting systems. IntelliCon-LCS saves energy by adjusting the
extends equipment life
the burner run pattern to match the system’s “heat burner run pattern to match the system’s “heat load”
• Has short payback period— load”, determined by using a pressure sensor that determined by using a pressure sensor that monitors
typically 1 to 2 heating seasons monitors the boiler’s steam-pressure and the rate that the boiler’s steam-pressure and the rate that the
• Reduces energy consumption the pressure changes. pressure changes.
10% to 20% Low Average High Low Average High
Savings Range: Savings Range:
10.2% 14.2% 19.9% — 10.0% — Low Average High
Savings Range:
— 10.6% —
180
Heat Exchanger Temperature in Degrees Fahrenheit
Maximum Heat Exchanger Temperature = 155° F Economizer Controls Burner
160
140
120
Burner Off
Burner On
Burner Off
Burner On
Burner Off
Burner On
FA Controls Burner
100
80
60
Thermostat Turns Example Thermostat
On Burner at 65° Turns Off
Savings: Burner
40
180 Seconds or at 70°
20 19.5%
330 390 540 600 740 800 920
Burner Heat Cycle in Seconds
Normal Burner Run Pattern Economizer Controlled Reduced Burner Run Time
Features The Intellidyne FA fuel economizer modifies
the normal burner run pattern, dynamically
• Simple installation by qualified
Commercial Air Conditioning Commercial Refrigeration adjusting the length and number of cycles.
installer
Electrical Consumption Economizer Electrical Consumption Economizer Shorter burner cycles providing the same heat
• No follow-up visits required after load reduces fuel consumption. This example
IntelliCon®-CAC is a microprocessor-based, UL listed, The IntelliCon®-RU when installed on commercial
installation shows a normal burner run pattern of 920
electronic economizer that automatically adjusts the refrigeration/freezer systems reduce electric consumption.
• Maximum year-round efficiency seconds. The three variable economizer burner
compressor cycles to achieve the greatest efficiency IntelliCon-RU is a major advancement in refrigeration
off corrections equal 180 seconds saved from
• 15-year replacement warranty for and reduced electrical usage, while assuring consistent system energy-saving technology that is easily installed
the 920 second normal burner run pattern.
manufacturing defects temperature levels. by a qualified installer, maintenance free and guaranteed
Dividing the 180 seconds saved by the normal
Low Average High
to save energy.
Savings Range: burner run pattern of 920 seconds equals
8.5% 14.6% 27.1% Low Average High
Savings Range: 19.5% or 0.195 in runtime saved.
9.9% 12.1% 18.4%