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You searched on: Author: Piotr Domanski

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1. Effect of Common Faults on the Performance of Different Vapor Compression Systems
Published: 12/31/2015
Authors: Zhimin Du, Piotr A Domanski, William V Payne
Abstract: The effect of faults on cooling capacity, COP, sensible heat ratio, and superheat/subcooling temperatures in five split and rooftop systems, which use different types of expansion devices, compressors and refrigerants, are separately compared and ana ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918162

2. Hitting the bounds of chemistry: Limits and tradeoffs for low-GWP refrigerants.
Published: 8/19/2015
Authors: Mark O McLinden, J. Steven Brown, Andrei F Kazakov, Piotr A Domanski
Abstract: We explore the possibilities for low-GWP refrigerants through two approaches. First, we explore the performance of hypothetical refrigerants to define the limits of what is allowed by thermodynamics. In the second approach, we apply property estimati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918672

3. EFFECT OF INSTALLATION FAULTS ON THE PERFORMANCE OF A SPLIT AIR CONDITIONER
Published: 8/18/2015
Authors: Piotr A Domanski, Hugh Henderson, William V Payne
Abstract: The study analyzed the effect of common installation faults on the cooling performance of a residential, split air conditioner installed in a single-family, slab-on-grade house. We considered five climatic regions in the United States from hot/hu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=918239

4. Effect of Heat Pump Commissioning Faults on Energy Use in a Slab-on-Grade Residential House
Published: 7/8/2015
Authors: Piotr A Domanski, Hugh Henderson, William V Payne
Abstract: This study seeks to develop an understanding of the effect of these common faults on the energy consumption of a heat pump installed in a single-family, slab-on-grade residential house. Through annual simulations of the house/heat pump system, t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917395

5. Rooftop Air-Conditioning Unit Performance Improvement using Refrigerant Circuitry Optimization
Published: 3/20/2015
Authors: David A Yashar, Sunil Lee, Piotr A Domanski
Abstract: This study demonstrates the performance improvement of an air-to-air 7.5 Ton (26.4 kW) rooftop unit (RTU) achieved by optimizing an evaporator‰s refrigerant circuitry using evolutionary algorithms. We measured its cooling capacity and Coefficient of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917578

6. Summary Article: IEA HPP Annex 36, Quality Installation/Quality Maintanace Sensitivity Studies
Published: 2/25/2015
Authors: Glenn Hourahan, Piotr A Domanski, Van Baxter
Abstract: It is widely recognized that residential and commercial heat pump equipment experience significant ,in-fieldŠ performance loss (i.e., capacity and efficiency) depending on how the components are sized, matched, installed, and subsequently field-m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917843

7. An Experimental and Computational Study of Approach Air Distribution for Slanted and A-Shaped Finned-Tube Heat Exchangers
Published: 1/25/2015
Authors: David A Yashar, Piotr A Domanski, Hong Hyun Cho
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917759

8. Effect of Installation Faults on Air-to-Air Heat Pump Performance
Published: 1/20/2015
Author: Piotr A Domanski
Abstract: Numerous studies and surveys indicate that typically-installed HVAC equipment operate inefficiently and waste considerable energy due to different installation errors (faults) such as improper refrigerant charge, incorrect airflow, oversized equi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=917726

9. Sensitivity Analysis of Installation Faults on Heat Pump Performance
Series: Technical Note (NIST TN)
Report Number: 1848
Published: 10/8/2014
Authors: Piotr A Domanski, Hugh Henderson, William V Payne
Abstract: Numerous studies and surveys indicated that typically-installed HVAC equipment operates inefficiently and wastes considerable energy due to different installation errors (faults), e.g., improper refrigerant charge, incorrect airflow, oversized eq ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916511

10. An Experimental and Computational Study of Approach Air Distribution for Slanted and A-Shaped Finned-Tube Heat Exchangers
Published: 7/1/2014
Authors: David A Yashar, Piotr A Domanski, Hong Hyun Cho
Abstract: One of the most influential factors of the performance of a finned tube heat exchanger is the distribution of the air passing through it; therefore it must be known in order to produce a highly efficient design. We examined two different common styl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913438



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