Modeling the effect of heat source temperature on the performance of two-stage air cooled silica gel plus water adsorption system

Mitra, Sourav and Thu, Kyaw and Saha, Bidyut Baran and Dutta, Pradip (2017) Modeling the effect of heat source temperature on the performance of two-stage air cooled silica gel plus water adsorption system. In: 8th International Conference on Applied Energy (ICAE), OCT 08-11, 2016, Beijing, PEOPLES R CHINA, pp. 2010-2015.

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Abstract

Adsorption systems can utilize low grade waste heat (temperature <100 degrees C) or energy from renewable sources like solar for cogeneration i.e. cooling and desalination. The throughput and performance of such systems are sensitive to the available temperature difference between heat source and sink. This paper presents a modelling study of two-stage 2-bed air cooled silica gel + water adsorption system wherein the effect of heat source temperature variation in the range of 65-85 degrees C on system performance parameters viz. SCC, SDWP and COP are investigated for the first time. It is shown that the optimum half cycle time for SCC and SDWP increases from 1800 s to 2700 s as the source temperature decreases from 85 degrees C to 65 degrees C; thereby necessitating the use of adaptive cycle time control for maximum throughput. However, it is observed that the COP is relatively insensitive to such alterations.

Item Type:	Conference Paper
Series.:	Energy Procedia
Additional Information:	Copy right for this article belongs to the ELSEVIER SCIENCE BV, SARA BURGERHARTSTRAAT 25, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Department/Centre:	Division of Mechanical Sciences > Mechanical Engineering
Date Deposited:	30 Oct 2017 03:38
Last Modified:	30 Oct 2017 03:38
URI:	http://eprints.iisc.ac.in/id/eprint/58121

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