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Study on Phase Change Flow and Heat Transfer
所 Characteristics of
Chevron Corrugated
权Plate
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C¦¥ŠC¦§Š¨Š©ŠC¦ªŠ«Š¬Š­Š®Š¯Š°Š±3j3l ³
(
310027)
20%∼100%
75◦
: TK124
LI Ming-Chun
: A
XIAO Gang
: 0253–231X(2016)03–0581–05
SHI He-Chun
LIU Huan-Lei
CHEN Dong
LUO Zhong-Yang
(State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China)
Abstract A three dimensional model was established for chevron corrugated plate and numerical
simulation was carried out to study the flow and heat transfer characteristics of evaporation process
of chevron corrugated plate with different inclination angles, and the results were compared with
single-phase flow. The results indicates that the evaporation process has little effect on the flow pattern
of fluid in chevron corrugated plate. The corrugated inclination angle is main influence factor on the
distribution of gas volume fraction. The heat transfer coefficient of two-phase is larger than singlephase by 20%∼100% under the same inclination angle. With the increasing of inclination angle, heat
transfer of evaporation increases and heat transfer performance is the best when inclination angle is 75 ◦ .
Key words chevron corrugated plate; numerical simulation; evaporation; heat transfer coefficient
[1,2]
66.5◦
/
= 2.73 Kim
[7]
[3]
[4]
Focke
j
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72◦
SST k-ε
Lee
Kanaris
[6]
10%
(1991– )
[8]
[9]
(LES)
2015-01-09;
[5]
[10]
2016-02-20
(No.51336006)
email xiaogangtianmen@zju.edu.cn
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