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| Effects of spray axis incident angle on heat transfer performance of rhombus-pitch shell-and-tube interior spray evaporator
Ru-Li Lin, Tong-Bou Chang* and Chih-Chang Liang
The Journal of Mechanical Science and Technology, vol. 26, no. 3, pp.681-688, 2012
Abstract : An interior spray method is proposed for enhancing the heat transfer performance of a compact rhombus-pitch shell-and-tube spray
evaporator. The experimental results show that the shell-side heat transfer coefficient obtained using the proposed spray method is significantly
higher than that achieved in a conventional flooded-type evaporator. Four different spray axis incident angles (0°, 45°, 60° and
75°) are tested in order to investigate the effect of the spray inclination angle on the heat transfer performance of the spray evaporator
system. It is shown that the optimal heat transfer performance is obtained using a spray axis incident angle of 60°.
Keyword : Rhombus-pitch tube bundle; Shell-and-tube evaporator; Spray axis incident |
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