A HeCol cycle for upgrading the ambient heat: The dynamic verification of desorption stage

Результат исследования: Научные публикации в периодических изданияхстатья

8 Цитирования (Scopus)

Аннотация

This paper addresses the dynamic study related to a novel adsorption cycle “Heat from Cold” (HeCol) recently proposed for upgrading the ambient heat in cold countries. In this cycle, the adsorbent is deemed to be regenerated by a drop of the adsorptive pressure, whereas the heat needed for desorption is supplied from a natural heat reservoir at a quite low temperature close to 0 °C. The aim of this study is to verify whether such unusual regeneration mode is feasible under typical conditions of the HeCol cycle. Methanol was used as an adsorptive and the activated carbon ACM35.4 - as an adsorbent. It has been shown that such way of regeneration is certainly achievable for the working pair involved which makes the new cycle possible in principle. The methanol desorption can be completed within 5–20 min depending on the configuration of the flat adsorbent bed, namely, the size of the carbon grains and the bed thickness. The maximal specific power of this process can reach 2.4 kW kg−1 that is encouraging for designing compact HeCol units.

Язык оригиналаанглийский
Страницы (с-по)608-612
Число страниц5
ЖурналApplied Thermal Engineering
Том146
DOI
СостояниеОпубликовано - 5 янв 2019

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