Experimental study on optimization of absorber configuration in compression/absorption heat pump with NH3/H2O mixture

Jiyoung Kim; Minsung Kim; Young Jin Baik; Seong Ryong Park; Ki Chang Chang; Ho Sang Ra; Yongchan Kim

doi:10.3795/KSME-B.2011.35.3.229

Experimental study on optimization of absorber configuration in compression/absorption heat pump with NH₃/H₂O mixture

Jiyoung Kim, Minsung Kim, Young Jin Baik, Seong Ryong Park, Ki Chang Chang, Ho Sang Ra, Yongchan Kim

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

This research aims todevelopa compression/absorption hybrid heat pump system using an NH₃/H2́O as working fluid.The heatpump cycle is based on a combination of compression and absorption cycles. The cycle consists of two-stage compressors, absorbers, a desorber, a desuperheater, solution heat exchangers, a solution pump, a rectifier, and a liquid/vapor separator. The compression/absorption hybrid heat pump was designed to produce hot water above 90°C using high-temperature glide during a two-phase heat transfer. Distinct characteristics of the nonlinear temperature profile should be considered to maximize the performance of the absorber. In this study, the performance of the absorber was investigated depending on the capacity, shape, and arrangementof the plate heat exchangers with regard tothe concentration and distribution at the inlet of the absorber.

Original language	English
Pages (from-to)	229-235
Number of pages	7
Journal	Transactions of the Korean Society of Mechanical Engineers, B
Volume	35
Issue number	3
DOIs	https://doi.org/10.3795/KSME-B.2011.35.3.229
Publication status	Published - 2011 Mar

Keywords

Absorber
Compression/ absorption
Desorber
Hybrid heat pump
Nh/ho mixture

ASJC Scopus subject areas

Mechanical Engineering

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Experimental study on optimization of absorber configuration in compression/absorption heat pump with NH₃/H₂O mixture. / Kim, Jiyoung; Kim, Minsung; Baik, Young Jin; Park, Seong Ryong; Chang, Ki Chang; Ra, Ho Sang; Kim, Yongchan.

In: Transactions of the Korean Society of Mechanical Engineers, B, Vol. 35, No. 3, 03.2011, p. 229-235.

Research output: Contribution to journal › Article › peer-review

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abstract = "This research aims todevelopa compression/absorption hybrid heat pump system using an NH3/H{\'2}O as working fluid.The heatpump cycle is based on a combination of compression and absorption cycles. The cycle consists of two-stage compressors, absorbers, a desorber, a desuperheater, solution heat exchangers, a solution pump, a rectifier, and a liquid/vapor separator. The compression/absorption hybrid heat pump was designed to produce hot water above 90°C using high-temperature glide during a two-phase heat transfer. Distinct characteristics of the nonlinear temperature profile should be considered to maximize the performance of the absorber. In this study, the performance of the absorber was investigated depending on the capacity, shape, and arrangementof the plate heat exchangers with regard tothe concentration and distribution at the inlet of the absorber.",

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