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판형 열교환기에서 에틸렐글리콜 수용액의 열전달 및 압력강하 특성에 관한 실험적 연구An Experimental Study on the Heat-Transfer and Pressure-Drop Characteristics of Ethylene-Glycol Water in a Plate Heat Exchanger
- Other Titles
- An Experimental Study on the Heat-Transfer and Pressure-Drop Characteristics of Ethylene-Glycol Water in a Plate Heat Exchanger
- Issue Date
- 2018
- Publisher
- 대한설비공학회
- Keywords
- Ethylene-glycol water(에틸렌 글리콜 수용액); Heat transfer(열전달); Plate heat exchanger(판형 열교환기); Pressure drop(압력강하)
- Citation
- 설비공학 논문집, v.30, no.8, pp.358 - 365
- Indexed
- KCI
- Journal Title
- 설비공학 논문집
- Volume
- 30
- Number
- 8
- Start Page
- 358
- End Page
- 365
- ISSN
- 1229-6422
- Abstract
- Having desirable thermal characteristics, such as a low freezing point, a high boiling point, better stability over a wide range of temperatures, and good thermophysical properties, ethylene-glycol water is a very popular antifreeze and heat-transfer fluid in numerous commercial and industrial applications. In this study, the heat-transfer and pressure-drop characteristics of a brazed-plate heat exchanger were investigated experimentally using ethylene-glycol water and R410a as the two fluids in a plate heat exchanger. The heat-transfer rate and pressure drop of the ethylene-glycol water were measured by changing inlet temperature, volumetric flow rate, and composition. The inlet temperature, volumetric flow rate, and composition were varied from 12.0 to 30.0℃, 4.9 to 26.8 lpm, and 30 to 55 percent, respectively. In addition, correlations were proposed to predict the heat-transfer coefficient and friction factor.
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Collections - College of Engineering > Department of Mechanical Engineering > 1. Journal Articles
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