Simulation of residential HVAC system performance

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Description

In many parts of North America residential HVAC systems are installed outside conditioned space. This leads to significant energy losses and poor occupant comfort due to conduction and air leakage losses from the air distribution ducts. In addition, cooling equipment performance is sensitive to air flow and refrigerant charge that have been found to be far from manufacturers specifications in most systems. The simulation techniques discussed in this paper were developed in an effort to provide guidance on the savings potentials and comfort gains that can be achieved by improving ducts (sealing air leaks) and equipment (correct air-flow and refrigerant ... continued below

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10 pages

Creation Information

Walker, I.S.; Siegel, J.A. & Degenetais, G. May 1, 2001.

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Description

In many parts of North America residential HVAC systems are installed outside conditioned space. This leads to significant energy losses and poor occupant comfort due to conduction and air leakage losses from the air distribution ducts. In addition, cooling equipment performance is sensitive to air flow and refrigerant charge that have been found to be far from manufacturers specifications in most systems. The simulation techniques discussed in this paper were developed in an effort to provide guidance on the savings potentials and comfort gains that can be achieved by improving ducts (sealing air leaks) and equipment (correct air-flow and refrigerant charge). The simulations include the complex air flow and thermal interactions between duct systems, their surroundings and the conditioned space. They also include cooling equipment response to air flow and refrigerant charge effects. Another key aspect of the simulations is that they are dynamic--which accounts for cyclic losses from the HVAC system and the effect of cycle length on energy and comfort performance.

Physical Description

10 pages

Notes

OSTI as DE00785278

Source

  • Other Information: PBD: 1 May 2001

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  • Report No.: LBNL--47622
  • Grant Number: AC03-76SF00098
  • DOI: 10.2172/785278 | External Link
  • Office of Scientific & Technical Information Report Number: 785278
  • Archival Resource Key: ark:/67531/metadc716848

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • May 1, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

Description Last Updated

  • April 5, 2016, 5:08 p.m.

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Walker, I.S.; Siegel, J.A. & Degenetais, G. Simulation of residential HVAC system performance, report, May 1, 2001; California. (digital.library.unt.edu/ark:/67531/metadc716848/: accessed December 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.