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http://dx.doi.org/10.7316/KHNES.2014.25.2.183

Compact Heat Exchanger Design for Biogas Application  

Lee, Taeck Hong (Hoseo Univ.)
Kim, Tae Wan (Hoseo Univ.)
Park, Tae Sung (Hoseo Univ.)
Kang, Young Jin (Hoseo Univ.)
Noh, Jae Hyun (Hoseo Univ.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.2, 2014 , pp. 183-190 More about this Journal
Abstract
Our lab designs a heat exchangers for air and carbondioxide gas. Coolant is water, thus it is very difficult to determine heat transfer parameters in this gas-liquid system. Repeated experiments gives overdesign value 35%, overall heat transfer coefficient $33.8(kcal/m2-hr-^{\circ}C)$ for carbondioxide. Another series of experiments determine overdesign 18.7%, overall heat transfer coefficient $21.4(kcal/m2-hr-^{\circ}C)$ for Air. These parameters are in same range of literature. Overdesign is increasing as tube length increases, also increases as wall thickness of heat exchanger increases. To get proper fluid linear velocity in heat exchanger, we change the diameter of tube and finally we can have optimum fluid linear velocity in the heat exchanger.
Keywords
Heat exchanger; Shell & Tube; Overall heat transfer coefficient; Area; Design;
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Times Cited By KSCI : 1  (Citation Analysis)
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