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논문 기본 정보

자료유형
학술대회자료
저자정보
Yong Woo Yang (Korea Institute of Industrial Technology) Nam Jin Kim (Jeju National University) Wongee Chun (Jeju National University) Seung Jin Oh (Korea Institute of Industrial Technology)
저널정보
대한설비공학회 대한설비공학회 학술발표대회논문집 대한설비공학회 2020년도 하계학술발표대회 논문집
발행연도
2020.6
수록면
1,008 - 1,011 (4page)

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This study presents a numerical modeling and a transient simulation of a decoupling cooling technology that thermodynamically hybridizes two different cooling devices namely, a solid desiccant dehumidifier and a dew-point evaporative cooler in order to reduce energy consumption for cooling in buildings. The proposed solid desiccant dehumidifier incorporates with two desiccant coated heat exchangers that operates in batch-mode to improve moisture removal capacity. The dew-point evaporative cooler operates based on M-cycle, which creates sensible cooling effect without the change of moisture level. In the proposed hybrid cooling system, the sensible and latent of the air are to be de-coupled. The latent cooling load, which is 25 to 45% of the total cooling load in the most weather conditions, is first removed by adsorption of vapour using desiccant coated heat exchangers. The saturated adsorbent is then regenerated by using either low-temperature waste heat from industry and/or renewable energy such as solar energy and geothermal energy. With the de-coupling of the latent cooling, the remaining sensible cooling load is removed by the indirect evaporative process where water is evaporated in awet channel by the purged air from a dry channel. A transient simulation has been carried out so as to analyse its performance of in terms of cooling capacity and dew-point effectiveness. Key results revealed that the proposed hybrid cooling system enhanced produces higher cooling capacity and higher dew-point effectiveness under all-weather conditions.

목차

Abstract
1. Introduction
2. Description of system
3. Results
References

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