Convective heat transfer in the thermal entrance region of parallel-flow noncircular duct heat exchanger arrays

1992 ◽  
Vol 27 (8) ◽  
pp. 465-472
Author(s):  
H. Y. Zhang ◽  
M. A. Ebadian
Keyword(s):  
Heat Transfer ◽  
Heat Exchanger ◽  
Convective Heat Transfer ◽  
Convective Heat ◽  
Parallel Flow ◽  
Entrance Region ◽  
Thermal Entrance Region ◽  
Thermal Entrance

Convective Heat Transfer of Laminar Droplet Flow in Thermal Entrance Region of Circular Tubes

1979 ◽  
Vol 101 (3) ◽  
pp. 480-483 ◽  
Author(s):  
Shi-chune Yao
Keyword(s):  
Heat Transfer ◽  
Convective Heat Transfer ◽  
Convective Heat ◽  
Single Phase ◽  
Entrance Region ◽  
Phase Flow ◽  
Single Phase Flow ◽  
Droplet Flow ◽  
Thermal Entrance Region ◽  
Thermal Entrance

Connective heat transfer of laminar droplet flow is calculated numerically for the thermal entrance region of circular tube with constant wall temperature. The heat transfer contribution of saturated droplets in the superheated vapor stream is considered as distributed heat sink. In the thermal entrance region, the size and the population density of the droplets are considered as constants. The heat transfer of droplet flow is found to be considerably higher than that of single phase flow. The effects of the droplet characteristics and the wall superheat to the convective heat transfer are studied. Fundamental differences of heat transfers in single phase flow and droplet flow are revealed.

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