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Y..Dynamics of pressure- and temperature-initiated adsorption cycles for transformation of low temperature heat: Flat bed of loose grainsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 августа 2021 г.
- Авторы: Girnik I.S., Okunev B.N., Aristov Y.I.
- Журнал: Applied Thermal Engineering
- Том: 165
- Номер: 1
- Год издания: 2020
- Издательство: Pergamon Press Ltd.
- Местоположение издательства: United Kingdom
- Первая страница: 1
- Последняя страница: 8
- Номер статьи: 114654
- DOI: 10.1016/114654
- Аннотация: Despite significant progress made in adsorption heat transformation, still, there is a big room for it's further im-proving. This work addresses the dynamic study of methanol adsorption and comparison of two ways of theprocess initiation. The traditional way is due to fast temperature change (TI), and the less studied one is by quickpressure variation (PI). The appropriate temperature/pressure variations were selected similar to those in a newcycle “Heat from Cold” recently suggested for upgrading the ambient heat in cold countries. An activated carbonACM-35.4, used as a methanol adsorbent, was located on metal support as a thin flat bed of loose grains. For amonolayer bed configuration, the dynamics is almost identical for the two initiation ways. Both TI and PI kineticcurves are exponential with a characteristic time, which depends on the process boundary conditions rather thanthe initiation mode. The mathematical model of methanol adsorption on a single spherical carbon grain is devel-oped to explain these results. The perceptible difference is found for the multi-layer configuration of the carbonbed. The PI adsorption dynamics is faster than the TI one at short adsorption time and equal to it at long time. Apossible reason for this difference is discussed.
- Добавил в систему: Окунев Борис Николаевич