Steady-state investigation of water vapor adsorption for thermally driven adsorption based greenhouse air-conditioning system

Muhammad Sultan, Takahiko Miyazaki, Bidyut Baran Saha and Shigeru Koyama

Renewable Energy, 2016, vol. 86, issue C, 785-795

Abstract: In the present study, water vapor adsorption onto silica-gel, activated carbon powder (ACP) and activated carbon fiber (ACF) has been experimentally measured at 20, 30 and 50 °C using a volumetric method based adsorption measurement apparatus for greenhouse air-conditioning (AC). The Guggenheim–Anderson–De Boer and Dubinin–Astakhov adsorption models are used to fit the adsorption data of silica-gel and ACP/ACF, respectively. The isosteric heat of adsorption is determined by Clausius–Clapeyron relationship. The adsorbents are evaluated for low-temperature regeneration with aim to develop solar operated AC system for greenhouses. Ideal growth zone for agricultural products is determined by which the steady-state desiccant AC cycle is evaluated on the psychometric chart and adsorption isobars.

Keywords: Adsorption; Air-conditioning; Greenhouse; Carbon; Steady-state; Vapor pressure deficit (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:86:y:2016:i:c:p:785-795

DOI: 10.1016/j.renene.2015.09.015

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