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SCI-E Article

Evaluation of thermal comfort in an office building served by a liquid desiccant-assisted evaporativ
성명 정재원()
소속 공과대학 건축공학부
캠퍼스
우수선정주 2018년 08월 2째주
Author Cho, Hye-Jin (Dept Architectural Engn); 정재원 (Dept Architectural Engn);
Corresponding Author Info Jeong, JW (reprint author), Hanyang Univ, Dept Architectural Engn, Coll Engn, Seoul 04763, South Korea.
E-mail 이메일 아이콘jjwarc@hanyang.ac.kr
Document Type Article
Source ENERGY AND BUILDINGS Volume:172 Issue: Pages:361-370 Published:2018
Times Cited 0
External Information http://dx.doi.org/10.1016/j.enbuild.2018.05.016
Abstract The main purpose of this research is to evaluate the thermal-comfort environment in an office building served by a liquid-desiccant and indirect-and-direct evaporative-cooler-assisted 100% outdoor-air system (LD-IDECOAS). This research presents a method for evaluating the thermal environment via a series of energy simulations using the TRNSYS 17 program, integrated with an engineering equation-solver (EES) program. The supply air (SA) temperature is estimated according to the LD-IDECOAS seasonal operation modes proposed in previous research The indoor-air conditions are estimated under the assumption that the relative humidity of room air was maintained at the set values by auxiliary humidification systems. Then, the predicted mean vote (PMV) values are estimated using the given indoor environment conditions. In this paper, the indoor-air conditions and PMV values for each LD-IDECOAS operation mode are represented. A detailed analysis of the impact of the indoor-air conditions on the PMV is provided in this paper. Furthermore, the simulation results for LD-IDECOAS were compared with those for a conventional variable-air-volume (VAV) system to evaluate the thermal environment in a building served by LD-IDECOAS. The PMV values with LD-IDECOAS showed that the thermal environment in a conditioned space is generally in compliance with ASHRAE Standard 55. Consequently, it is concluded that using LD-IDECOAS in an office building can produce energy savings with an acceptable level of thermal comfort. (C) 2018 Elsevier B.V. All rights reserved.
Web of Science Categories Construction & Building Technology; Energy & Fuels; Engineering, Civil
Funding Korea Agency for Infrastructure Technology Advancement (KAIA) grant [17CTAP-C116268-0]; Korea Institute of Energy Technology Evaluation and Planning (KETEP) [20164010200860]
Language English
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