scholarly journals Heat transfer and pressure drop characteristics of alternating clockwise and counter clockwise twisted tape inserts in the transitional flow regime

2019 ◽  
Vol 133 ◽  
pp. 203-217 ◽  
Author(s):  
S.M. Abolarin ◽  
M. Everts ◽  
J.P. Meyer
Keyword(s):  
Heat Transfer ◽  
Pressure Drop ◽  
Flow Regime ◽  
Transitional Flow ◽  
Twisted Tape

Heat Transfer and Pressure Drop Characteristics of Water in the Transitional Flow Regime of Horizontal Smooth Tubes at Constant Wall Temperature

2010 ◽  
Author(s):  
J. P. Meyer ◽  
A. Du Preez
Keyword(s):  
Heat Transfer ◽  
Pressure Drop ◽  
Flow Regime ◽  
Wall Temperature ◽  
Reynolds Numbers ◽  
Transitional Flow ◽  
Maximum Efficiency ◽  
Constant Wall Temperature ◽  
Pressure Losses ◽  
Nusselt Numbers

Owing to design limitations, heat exchangers are frequently forced to operate in the transitional flow regime, however, there exists no accurate measurements for both heat transfer and pressure drop in this region. In order to optimize a heat exchanger for maximum efficiency and minimum pressure losses, it is required to design it for the transitional flow regime. Therefore, the purpose of this study is to obtain accurate Nusselt numbers and pressure drop coefficients for water flowing through a horizontal smooth tube with a constant wall temperature. Heat transfer and pressure drop measurements were conducted on a 5.33 mm tube at Reynolds numbers ranging from 1 000 to 5 000.

scholarly journals Heat Transfer and Pressure Drop in Transitional Flow: A Short Review

2021 ◽  
Vol 1080 (1) ◽  
pp. 012050
Author(s):  
Suvanjan Bhattacharyya ◽  
Devendra Kumar Vishwakarma ◽  
Manoj Kumar Soni
Keyword(s):  
Heat Transfer ◽  
Pressure Drop ◽  
Short Review ◽  
Transitional Flow
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