The performance of an ASHP system using waste air to recover heat energy in a subway system

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Original languageEnglish
Article number508141
Pages (from-to)1-10
Number of pages10
JournalClean Technologies
Volume2
Issue number1
DOIs
StatePublished - 29 Jul 2019

Abstract

In this short communication, we demonstrate that the performance of a typical air source heat pump (ASHP), exploiting a relatively stable air temperature within a subway environment, is high, even during the peak heating months. After a nine-month operational run, the coefficient of performance is demonstrated to be 3.5. The design and installation difficulties are stated together with the lessons learnt following this trial. The actual energy and carbon savings are discussed.

Keywords

  • air to water heat pump, system performance, recycled waste air