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Author: piotr domanski

Displaying records 101 to 110 of 135 records.
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101. Impact of Elevated Ambient Temperatures on Capacity and Energy Input to a Vapor Compression System -- Literature Review
Published: 8/1/2000
Authors: S F. Yana Motta, Piotr A Domanski
Abstract: Operation of a system at elevated ambient temperatures inherently results in a lower coefficient of performance (COP). This conclusion comes directly from examining the Carnot cycle. The COP relation, COP=T^devap/^(T^dcond-^T^devap^) indicates that ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860825

102. Performance of R-22 And Its Alternatives Working At High Outdoor Temperatures
Published: 7/1/2000
Authors: S F. Yana Motta, Piotr A Domanski
Abstract: This paper examines the performance of R-22 and its possible replacements in an air-cooled air conditioner. The study focuses on the effect ofelevated outdoor temperatures on system capacity and Coefficient of Performance (COP). The refrigerants cons ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860817

103. Semi-Theoretical Simulation Model for a Transcritical Carbon Dioxide Mobile A/C System
Published: 3/1/2000
Authors: J S Brown, Piotr A Domanski
Abstract: This paper describes a semi-theoretical simulation model, CYCLE11_CO2, for a transcritical carbon dioxide vapor-compression refrigeration cycle. CYCLE_11CO2 is based on an earlier simulation model, CYCLE11-UA, developed at the National Institute of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860806

104. 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

105. Finned-Tube Evaporator Model With a Visual Interface
Published: 9/19/1999
Author: Piotr A Domanski
Abstract: This paper presents a finned-tube evaporator model and its utility when equipped with a window-based interface. The modeling scheme is tube-by-tube and allows for specification of complex refrigerant circuits, modeling refrigerant distribution betwe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860791

106. 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

107. Evolution of Refrigerant Application
Published: 5/1/1999
Author: Piotr A Domanski
Abstract: The paper reviews the development of chlorofluorocarbon refrigerants, the implemented replacements of ozone-depleting fluids, other considered alternatives, and the prospect for next-generation refrigerants in response to climate change concerns. Con ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860786

108. Refrigerants for the 21st Century. ASHRAE/NIST. Refrigerants Conference. Gaithersburg MD, October 6-7, 1997. (Conference Report)
Published: 10/6/1998
Author: Piotr A Domanski
Abstract: The "Refrigerants for the 21st Century" conferece was the third refrigerants conference jointly organized by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and the National Institute of Standards and Technology ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910446

109. ASHRAE/NIST Refrigerants Conference: Refrigerants for the 21st Century. Gaithersburg MD, October 6-7, 1997. Conference Report.
Published: 9/30/1998
Author: Piotr A Domanski
Abstract: The "Refrigerants for the 21st Century" conferece was the third refrigerants conference jointly organized by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and the National Institute of Standards and Technology ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916718

110. Refrigerants for the 21st Century / ASHRAE/NIST Refrigerants Conference
Series: Journal of Research (NIST JRES)
Published: 9/1/1998
Author: Piotr A Domanski
Abstract: The goal of the 1997 ASHRAE/NIST Refrigerants Conference was to review available air-conditioning and refrigeration options in response to ozone depletion, global warming, and technology advances. The two-day program consisted of 16 invited comprehe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860763



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