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Journal of Engineering Thermophysics
Erschienen in: Journal of Engineering Thermophysics 2/2023

01.06.2023

Experimental Study of a House-Hold Dual Evaporation Temperatures Based Chiller

verfasst von: Z. Li, L. Zhang, C. H. Liu, J. B. Chen, M. L. Qu

Erschienen in: Journal of Engineering Thermophysics | Ausgabe 2/2023

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Abstract

Indoor environment control strategies in small buildings are simply considered, such as achieving the indoor temperature control through ON/OFF cycling the compressor of a direct expansion (DX) air conditioning (A/C) system, leaving the indoor humidity uncontrolled. In some areas, the large latent cooling load will lead to an unstable and high indoor humidity, resulting in deteriorating thermal comfort, indoor air quality and energy efficiency, suggesting that an actively controlled humidity is indispensable. The existing temperature and humidity independent control (THIC) methods are too complicated to be suitable for applying in small buildings. Therefore, the authors established a water chiller which can be applied in residential buildings for THIC by using a dual-evaporation-temperature compressor. A prototype was built and experimentally tested. Results showed that in the varying summer condition, the high and low water supplying temperatures were maintained around 18.8°C and 7.8°C, respectively, suggesting that this novel chiller could provide chilled water of two different temperatures for THIC. Furthermore, the energy efficiency ratios (EER) of the compressor was 3.5, which was comparable to those conventional DX A/C systems or chillers of the same size. Therefore, this novel chiller based on dual evaporation temperatures was feasible.
Vorheriger Artikel Aspects of Two-Phase Flow Boiling Heat Transfer inside Tube of Water Tube Boiler—A Numerical Study
Nächster Artikel Free Energy Production from Salinity Gradient Power (SGP)-Investigative Results in Two Different Estuaries

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Metadaten
Titel
Experimental Study of a House-Hold Dual Evaporation Temperatures Based Chiller
verfasst von
Z. Li
L. Zhang
C. H. Liu
J. B. Chen
M. L. Qu
Publikationsdatum
01.06.2023
Verlag
Pleiades Publishing
Erschienen in
Journal of Engineering Thermophysics / Ausgabe 2/2023
Print ISSN: 1810-2328
Elektronische ISSN: 1990-5432
DOI
https://doi.org/10.1134/S181023282302011X

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