The influence of heat exchanger parameters on the optimum cycle time of adsorption chillers

Takahiko Miyazaki, Atsushi Akisawa

研究成果: Contribution to journalArticle査読

46 被引用数 (Scopus)

抄録

The research investigated the influences of heat exchanger parameters, such as heat capacity and NTU, on the optimum performance of a single-stage adsorption chiller. Silica gel-water pair was chosen as the adsorbent-adsorbate combination so that low temperature heat source under than 100 °C could be utilized as the driving force. The mathematical model of the adsorption chiller using dimensionless parameters was developed and a global optimization method called the particle swarm optimization was applied in the simulation to obtain the optimum cycle time. The results showed that the smaller heat capacity heat exchanger improved both the maximum specific cooling capacity (SCC) and the COP. While, the larger NTU of the adsorbent bed resulted in the decrease of the COP due to the short cycle time although the maximum SCC was enhanced.

本文言語英語
ページ(範囲)2708-2717
ページ数10
ジャーナルApplied Thermal Engineering
29
13
DOI
出版ステータス出版済み - 9 2009
外部発表はい

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

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