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Thermoelectric Module Integrated Fuel Cell in a Liquid Desiccant-Assisted Air-Conditioning System

Authors
Lim, HansolJeong, Jae-Weon
Issue Date
May-2020
Publisher
TAYLOR & FRANCIS INC
Citation
HEAT TRANSFER ENGINEERING, v.41, no.9-10, pp.779 - 799
Indexed
SCIE
SCOPUS
Journal Title
HEAT TRANSFER ENGINEERING
Volume
41
Number
9-10
Start Page
779
End Page
799
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/145784
DOI
10.1080/01457632.2019.1576412
ISSN
0145-7632
Abstract
This study aims to estimate the energy performance of a liquid desiccant and evaporative cooling-assisted 100% outdoor air system (LD-IDECOAS) combined with a thermoelectric module integrated proton exchange membrane fuel cell (TEM-PEMFC). During the cooling season, recovered heat from the PEMFC was reclaimed to heat a weak desiccant solution and the generated electricity was used to operate the LD-IDECOAS. The TEM was operated as an auxiliary heater for heating the weak desiccant solution. In the off-cooling season, the PEMFC was operated to generate electricity and the recovered heat was also used to generate electricity using TEMs. In this study, a detailed energy simulation model was developed to estimate the energy savings potentials of the proposed system compared with the conventional LD-IDECOAS that uses a gas boiler and grid power without TEM-PEMFC. The result shows that TEMs can operate with a mean coefficient of performance of 2.0 when utilized for auxiliary heater in the cooling season. In addition, TEMs generate additional electricity with a mean power generation efficiency of 0.9%. Finally, the proposed system can save the 10.6% of annual primary energy compared with the conventional LD-IDECOAS. Therefore, the advantages of using TEM-PEMFC as heating and energy harvesting components were verified.
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COLLEGE OF ENGINEERING (SCHOOL OF ARCHITECTURAL ENGINEERING)
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