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You searched on: Author: piotr domanski

Displaying records 21 to 30 of 149 records.
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21. Performance Improvement of a Roof Top Air-Conditioning Unit by Refrigerant Circuitry Optimization
Published: 1/26/2013
Authors: Sunil Lee, David A Yashar, Piotr A Domanski
Abstract: In this experiment-aided simulation study, we achieved the performance improvement of a Roof Top Unit (RTU) by optimizing an evaporator‰s refrigerant circuitry using evolutionary algorithms. The system used in this study was a 2-stage 7.5 Ton RTU wit ...

22. FDD CX: A Fault Detection and Diagnostic Commissioning Tool for Residential Air Conditioners and Heat Pumps
Series: Technical Note (NIST TN)
Report Number: 1774
Published: 11/21/2012
Authors: William V Payne, Jae Hyeok (J.H.) Heo, Piotr A Domanski
Abstract: FDD CX is a commissioning tool for unitary, air-source, single-speed, vapor compression air conditioner (AC) or heat pump (HP) systems. This software tool can be utilized to commission the operation of residential ACs or HPs to ensure proper ref ...

23. Possibilities, Limits, and Tradeoffs for Refrigerants in the Vapor Compression Cycle
Published: 10/29/2012
Authors: Mark O McLinden, Andrei F Kazakov, J Steven Brown, Piotr A Domanski, Jae Hyeok (J.H.) Heo
Abstract: We explore the possibilities for refrigerants having low global warming potential (GWP) using two distinct, but complimentary, approaches. In the first approach, we evaluate the effect of a refrigerant‰s fundamental thermodynamic parameters on its p ...

24. A Dual Mode Evolutionary Algorithm Approach for Designing Optimized Finned-Tube Heat Exchangers
Published: 9/27/2012
Authors: David A Yashar, Piotr A Domanski, Janusz Wojusiak, Kenneth Kaufman
Abstract: The efficiency of a vapor compression system is strongly influenced by the performance of the finned-tube heat exchangers it employs. Heat exchanger performance is strongly influenced by the refrigerant circuitry, i.e., the connection sequence of th ...

Published: 6/18/2012
Authors: Piotr A Domanski, J Steven Brown, Jae Hyeok (J.H.) Heo, Janusz Wojtusiak, Mark O McLinden
Abstract: This paper explores the thermodynamic performance limits of the vapor compression cycle. In particular, we apply evolutionary algorithms to explore the performance of thousands of hypothetical refrigerants defined by their thermodynamic parameter ...

26. CYCLE_D: NIST Vapor Compression Cycle Design Program Version 5.0
Published: 5/1/2012
Authors: J Steven Brown, Piotr A Domanski, Eric W Lemmon

27. NIST Standard Reference Database 73 REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Mixtures, Version 4.0
Published: 1/16/2012
Authors: David Didion, MinSoo Kim, Piotr A Domanski

28. EVAP-COND, Version 3
Published: 9/22/2011
Authors: Piotr A Domanski, David A Yashar

29. Alternative Cooling Technology Options
Published: 8/21/2011
Authors: J Steven Brown, Piotr A Domanski
Abstract: This paper considers the alternative cooling technologies studied by Fisher et al. (1994) and assesses their current potential to compete with or to replace vapor compression refrigeration technology for space cooling and near-room temperature refrig ...

30. Practical Aspects of Applying Evolutionary Algorithms for Optimizing Refrigerant Circuitry in Heat Exchangers
Published: 8/21/2011
Authors: Piotr A Domanski, David A Yashar, Sunil Lee, Janusz Wojtusiak
Abstract: A public domain finned-tube heat exchanger simulation program, EVAP-COND ver. 3.0, has been equipped with an evolutionary algorithm-based module, called ISHED ‹ Intelligent System for Heat Exchanger Design, which facilitates optimization of refrigera ...

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