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Author: william payne

Displaying records 31 to 38.
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31. A Comparison of an R22 and an R410A Air Conditioner Operating at High Ambient Temperatures
Published: 7/1/2002
Authors: William V Payne, Piotr A Domanski
Abstract: R22 and R410A split air-conditioning systems were tested and compared as outdoor temperature ranged form 27.8 C (82.0 F) to 54.4 F (130 F). The R410A system tests were extended t 68.3 C (155.0 F) ambient temperature with a customized compresso ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860880

32. Refrigerant Flow Through Flexible Short-Tube Orifices
Series: OTHER
Published: 4/1/2002
Authors: William V Payne, Y C Kim, Dennis L O'Neal, Mohsen Farzad
Abstract: Flexible short-tube orifices were designed to decrease their diameter as the pressure differential across them increases under high outdoor temperatures. A series of tests for an R-22/lubricant mixture (mass fraction of oil 1.2%) were performed wit ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910433

33. Refrigerant Flow Through Flexible Short-Tube Orifices
Published: 4/1/2002
Authors: Y Kim, D L O'Neal, William V Payne, MD L Farzad
Abstract: A series of tests for a R-22/lubricant mixture (1.2 % oil concentration) were performed with two flexible short tube orifices to develop flow data over a range of typical air conditioner operating conditions. One orifice had a modulus of elasticity ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860835

34. Rating Water-Source Heat Pumps Using ARI Standard 320 and ISO Standard 13256-1.
Published: 3/25/2002
Authors: William V Payne, Piotr A Domanski
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101208

35. A Comparison of Rating Water-Source Heat Pumps Using ARI Standard 320 and ISO Standard 13256-1
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6803
Published: 9/1/2001
Authors: William V Payne, Piotr A Domanski
Abstract: This investigation compares the ARI 320 (1998) and the ISO 13256-1 (1998) heating and cooling standards for water-source heat pumps to determine the difference in capacity and efficiency for a given heat pump tested with these standards. Multiple te ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860856

36. A Water-to-Water Heat Pump Using Hydrocarbon and Hydrofluorocarbon Zeotropic Mixtures With and Without an Internal Heat Exchanger
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6449
Published: 1/1/2000
Authors: William V Payne, Piotr A Domanski, E A Silk
Abstract: This investigation overviews the comprehensive results of the experimental study pertaining to flammable refrigerant alternatives in water-to-water heat pumps for building and home applications. In contrast to the comprehensive fluid survey of the i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860803

37. A Study of a Water-To-Water Heat Pump Using Hydrocarbon and Hydrofluorocarbon Zeotropic Mixtures
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6330
Published: 5/1/1999
Authors: William V Payne, Piotr A Domanski, J Muller
Abstract: This investigation compared the performance of R22 to the performance of propane (R290) and zeotropic mixtures of HFC's and hydrocarbons in a water-to-water heat pump. Baseline testing began with R22 and proceeded to R290, R32/290, R32/152a, and R290 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860790

38. A Study of a Water-to-Water Heat Pump Using Flammable Refrigerants
Published: 6/1/1998
Authors: William V Payne, Piotr A Domanski, J Muller
Abstract: This investigation compared the performance of R22 to the performance of R290 and that of flammable zeotropic mixtures, R32/290 and R32/152a. The tests were conducted in a test apparatus specially designed to simulate a residential water-to-water hea ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860762



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