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Author: william payne
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1. 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

2. 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

3. A Curve-Based Mixed System Rating Method
Series: Journal of Research (NIST JRES)
Report Number: 7225
Published: 5/5/2005
Authors: Piotr A Domanski, William V Payne
Abstract: The curve-based method was evaluated based on performance predictions for nine mixed systems, which were also tested by an independent testing laboratory. Capacity predictions were within 5% of the tested values for six of nine mixed systems, and f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860965

4. A Curve-Based Mixed System Rating Method for Unitary Air Conditioners
Series: Journal of Research (NIST JRES)
Report Number: 7225
Published: 5/2/2005
Authors: William V Payne, Piotr A Domanski
Abstract: The curve-based method was evaluated based on performance predictions for nine mixed systems, which were also tested by an independent testing laboratory. Capacity predictions were within 5% of the tested values for six of nine mixed systems, and f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860973

5. A Low Cost Digital Vibration Meter
Series: Journal of Research (NIST JRES)
Published: 4/1/2007
Authors: William V Payne, Jon Geist
Abstract: This report describes the development of a low cost vibration amplitude sensor. The processes used to develop this sensor involve the use of Micro-Electronic and Mechanical Systems (MEMS) manufacturing techniques. The major mechanical element of th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861030

6. A Mass Flow Rate Correlation for Refrigerants and Refrigerant Mixtures Flowing Through Short Tubes
Published: 1/1/2004
Authors: William V Payne, D L O'Neal
Abstract: A correlation was developed for mass flowrate of R12, R134a, R502, R22, R407C, and R410A through short tubes. Sort tube lengths ranged from 9.5 mm to 25.4 mm, and sharp edged diameters ranged from 1.09 mm to 1.94 mm. The correlation covered both si ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860914

7. A Study of In-Tube Evaporation Heat Transfer of Carbon Dioxide
Published: 8/17/2003
Authors: N N Sawant, M Kim, William V Payne, Piotr A Domanski, Y W Hwang
Abstract: The evaporative heat transfer characteristics of carbon dioxide (CO^d2^) were measured in a fluid-heated, 8.0 mm ID smooth stainless steel tube. The test apparatus was a concentric tube heat exchanger heated by water in the annulus with CO^d2^ in th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860915

8. 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

9. 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

10. 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



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