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TECHNICAL PAPERS

Return Air Leakage Impact on Air Conditioner Performance in Humid Climates

[+] Author and Article Information
Dennis L. O’Neal

Dept. of Mechanical Engineering, Texas A & M University, College Station, TXe-mail: doneal@mengr.tamu.edu

Angel Rodriguez

Enron Energy Services, Norcross, GA

Michael Davis

Oarsman Corp., Bryan, TX

Sekhar Kondepudi

Brecis Communications, San Jose, CA

J. Sol. Energy Eng 124(1), 63-69 (May 01, 2001) (7 pages) doi:10.1115/1.1435648 History: Received June 01, 2000; Revised May 01, 2001
Copyright © 2002 by ASME
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References

Figures

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Layout of the psychometric rooms showing the placement of the indoor and outdoor units and air-side instrumentation
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Instrumentation on the refrigerant side of the system
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Evaporator with return air leakage from hot attic space
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Baseline and modified tests used to simulate the effects of return air leakage
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Effective capacity at 54.4°C attic temperature and 37.8°C outdoor temperature for various attic humidities and leakage conditions
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Effective capacity at 65.6°C attic temperature and 37.8°C outdoor temperature for various attic humidities and leakage conditions
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Effective capacity at different attic temperature and a range of high attic humidity conditions
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Power consumption at 54.4°C attic temperature and 37.8°C outdoor temperature for various attic humidities and leakage conditions
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Effective COP at 54.4°C attic temperature and 37.8°C outdoor temperature for various humidities and leakage conditions
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Effective coefficient of performance at different attic temperature and a range of high attic humidity conditions
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Effective SHR at two attic conditions and 37.8°C outdoor temperature for various attic humidities and leakage conditions
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Effective SHR at 10% leakage and 37.8°C outdoor temperature for various attic temperatures and relative humidities

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