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U자형 배관 내 결빙에 대한 해석적 연구open accessNumerical Analysis of Freezing Phenomena of Water in a U-Type Tube

Other Titles
Numerical Analysis of Freezing Phenomena of Water in a U-Type Tube
Authors
박용석서정세
Issue Date
2019
Publisher
한국기계가공학회
Keywords
Freezing(결빙); U-Type Tube(U자형 배관); Ice Thickness(결빙층); Water(물); Numerical Analysis(수치해석)
Citation
한국기계가공학회지, v.18, no.12, pp.52 - 58
Indexed
KCI
Journal Title
한국기계가공학회지
Volume
18
Number
12
Start Page
52
End Page
58
URI
https://scholarworks.bwise.kr/gnu/handle/sw.gnu/9976
DOI
10.14775/ksmpe.2019.18.12.052
ISSN
1598-6721
Abstract
This study numerically analyzed the icing process in a U-shaped pipe exposed to the outside by considering the mushy zone of freezing water. Numerical results showed that the flow was pulled outward due to the U-shaped bend in the freezing section exposed to the outside, which resulted in the ice wave formation on the wall of the bended pipe behind. At the same time, the formation of a corrugated ice layer became apparent due to the venturi effect caused by the ice. The factors affecting the freezing were investigated, including the change of the pipe wall temperature, the water inflow velocity, and the pipe bend spacing. It was found that, as a whole, the thickness of the freezing layer increased as the pipe wall temperature decreased. It was also found that the freezing layer became relatively thin when the inflow rate of water was increased, and that the spacing of the pipe bends did not significantly impact the change in the freezing layer.
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공과대학 > Department of Mechanical Engineering > Journal Articles

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공과대학 (기계공학부)
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