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Author: piotr domanski

Displaying records 121 to 130 of 131 records.
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121. Glide Matching With Binary and Ternary Zeotropic Refrigerant Mixtures. Part 2. A Computer Simulation
Published: 1/1/1994
Authors: Piotr A Domanski, W. J. Mulroy, David Didion
Abstract: The glide-matching study presented in Part 1 was a laboratory investigation which demonstrated the evaporator performance in detail. However, since it was not possible to instrument the condenser sufficiently, some computer simulation work was conduc ...

122. Simulation of an Evaporator with Nonuniform One-Dimensional Air Distribution
Published: 1/13/1991
Author: Piotr A Domanski
Abstract: This paper presents a simulation model of a plate-fin, air-to-refrigerant heat exchanger used as an evaporator in residential air conditioning. The model can account for nonuniform air-distribution between coil tubes and simulates refrigerant distri ...

123. EVSIM: An Evaporator Simulation Model Accounting for Refrigerant and One Dimensional Air Distribution (NISTIR 89-4133)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 89-4133
Published: 8/1/1989
Author: Piotr A Domanski
Abstract: The report describes a computer model, EVSIM, of a refrigerant-to-air heat exchanger of the type used in residential air conditioning as an evaporator. The model provides performance predictions of a one-slab or two-slab evaporator for a given refrig ...

124. An Experimental Investigation and Modeling of the Flow Rate of Refrigerant 22 Through the Short Tube Restrictor (NISTIR 89-4120)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 89-4120
Published: 7/1/1989
Authors: D. A. Aaron, Piotr A Domanski
Abstract: Refrigerant 22 flow through short tube restrictors was investigated. The analysis pertained to initially subcooled refrigerant flowing through short tubes with 5 < L/D < 20. The flow conditions studied were those typically found in heat pumps. Flow ...

125. Rating of Mixed Split Residential Air Conditioners
Published: 9/13/1988
Author: Piotr A Domanski
Abstract: A methodology is presented for rating the performance of mixed, split residential air conditioners. The method accounts for the impact on system performance of the indoor evaporator, expansion device and fan; three major components that are likely to ...

126. Exergy Analysis of Heat Pumps
Published: 1/1/1987
Authors: T. L. Tsaros, R. A. Gaggioli, Piotr A Domanski
Abstract: The HPSIM computer program for modeling heat pumps (Domanski and Didion 1983) has been augmented to include exergy analysis. Exergy transports between the components, to the loads, and to the environment are evaluated. The exergy consumptions in each ...

127. Simulation of a Heat Pump Operating With a Nonazeotropic Mixture
Published: 6/1/1985
Authors: Piotr A Domanski, David Didion
Abstract: This paper provides an overview of the model developed for simulation of steady -state performance of a heat pump working with a nonazeotropic binary mixture. The modeled heat pump consists of a hermetic, reciprocating compressor, flat-finned tube he ...

128. Equation-of-State-Based Thermodynamic Charges for Nonazeotropic Refrigerant Mixtures
Published: 1/1/1985
Authors: Piotr A Domanski, David Didion
Abstract: Application of a nonazeotropic mixture to a refrigeration machine offers a new degree of freedom in controlling machine performance by control of circulating mixture composition. Presenting possible thermodynamic cycles of such a machine operating wi ...

129. Computer Modeling of the Vapor Compression Cycle With Constant Flow Area Expansion Device. Final Report (NBS Building Science Series 155)
Series: OTHER
Published: 5/1/1983
Authors: Piotr A Domanski, David Didion
Abstract: An analysis of the vapor compression cycle and the main components of an air source heat pump during steady-state operation has been performed with emphasis on fundamental phenomena taking place between key locations in the refrigerant system. The ba ...

130. A Thermodynamic Analysis of Refrigerants. II. Possibilities and Tradeoffs for Low-GWP Refrigerants
Published: Date unknown
Authors: Mark O McLinden, Andrei F Kazakov, J. Steven Brown, Piotr A Domanski
Abstract: We explore the possibilities for refrigerants having low global warming potential (GWP) by use of two distinct approaches. In a companion paper (Domanski et al., 2013) we evaluate the effect of a refrigerant‰s fundamental thermodynamic parameters ...

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