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Performance optimization of a cascade multi-functional heat pump in various operation modes

Authors
  • Jung, Hae Won
  • Kang, Hoon
  • Chung, Hyunjoon
  • Ahn, Jae Hwan
  • Kim, Yongchan1, 2
  • 1 Department of Mechanical Engineering
  • 2 Korea University
Type
Published Article
Journal
International Journal of Refrigeration
Publisher
Elsevier
Publication Date
Jan 01, 2014
Accepted Date
Mar 03, 2014
Identifiers
DOI: 10.1016/j.ijrefrig.2014.03.004
Source
Elsevier
Keywords
License
Unknown

Abstract

•Performance optimization of a cascade multi-functional heat pump is conducted.•Control parameters are compressor speed, EEV openings, and refrigerant flow path.•Refrigerant flow distribution into each unit is controlled by EEV openings.•The COP in each operation mode is improved by the system optimization.

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