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Author: piotr domanski

Displaying records 91 to 100 of 129 records.
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91. 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

92. A Generalized Pressure Drop Correlation for Evaporation of Alternative Refrigerants in Micro-Fin and Smooth Tubes
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6333
Published: 10/1/2001
Authors: J Y Choi, Mark A Kedzierski, Piotr A Domanski
Abstract: This paper presents a pressure drop correlation for evaporation and condensation in smooth and micro-fin tubes. The correlation was developed from a data base consisting of the following pure and mixed refrigerants: R125, R134a, R32, R410A (R32/R125 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860792

93. Generalized Pressure Drop Correlation for Evaporation and Condensation in Smooth and Micro-Fin Tubes
Published: 10/1/2001
Authors: J Y Choi, Mark A Kedzierski, Piotr A Domanski
Abstract: This paper presents a pressure drop correlation for evaporation and condensation in smooth and micro-fin tubes. The correlation was developed from a data base consisting of the following pure and mixed refrigerants: R125, R134a, R32, R410A (R32/R125 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860849

94. 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

95. Comparitive Analysis of an Automotive Air Conditioning Systems Operating with CO^d2^ and R134a
Published: 1/1/2001
Authors: J S Brown, S F. Yana Motta, Piotr A Domanski
Abstract: This paper evaluates performance merits of CO^d2^ and R134a automotive air conditioning systems using semi-theoretical cycle models. The R134a system had a current-production configuration which consisted of a compressor, condenser, expansion device ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860836

96. 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

97. 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

98. 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

99. 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

100. 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



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