Performance of a finned Activated Carbon Cloth-ethanol adsorption chiller

M. Tierney, L. Ketteringham, M. Azri Mohd Nor

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)
423 Downloads (Pure)


Measurements of cooling power and heat demand are presented for an adsorption heat pump (AHP) that integrated a finned adsorbent heat exchanger and a solar collector. For this study the adsorbent heat exchanger was heated/ cooled with fluid at near constant temperature. Results from a bench scale, large temperature jump (LTJ) test were scaled to predict the outcome of a larger experiment (adjusting for heat losses and additional heat capacities). The AHP’s measured coefficients of performance were COP ∈ [0.119, 0.236] versus COP ∈ [0.233, 0.337] expected. The factor of discrepancy in specific cooling power (predicted cooling power divided by measured cooling power) is 1.1 to 2.0 versus a range of 2 to 6 suggested elsewhere. Although the scale-up procedure accounted for additional heat capacities, unwanted air ingress (even for mole fractions < 0.1%) might have substantially reduced adsorption/ evaporation rates.
Original languageEnglish
Pages (from-to)949-961
Number of pages13
JournalApplied Thermal Engineering
Early online date20 Aug 2016
Publication statusPublished - 5 Jan 2017


  • Adsorption heat pump
  • activated carbon cloth
  • finned-adsorbent
  • scale-up
  • LTJ


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