ICONE11-36239 AN EXPERIMENTAL STUDY OF HEAT TRANSFER CHARACTERISTICS OF SINGLE AND TWO-PHASE FLOWS IN AN ANNULAR TUBE WITH EXTERNAL VIBRATIONS

2003 ◽  
Vol 2003 (0) ◽  
pp. 270
Author(s):  
ADEL M. ZAKI ◽  
Dr. S. K. ABOU EL KASSEM ◽  
HANAFI ABDALLA
Keyword(s):  
Heat Transfer ◽  
Experimental Study ◽  
Heat Transfer Characteristics ◽  
Two Phase Flows ◽  
Two Phase ◽  
Transfer Characteristics ◽  
Annular Tube

scholarly journals Experimental study on heat transfer characteristics of a modified two-phase closed thermosyphon

2017 ◽  
Vol 21 (6 Part A) ◽  
pp. 2481-2489 ◽  
Author(s):  
Babak Aghel ◽  
Masoud Rahimi ◽  
Saeed Almasi
Keyword(s):  
Heat Transfer ◽  
Experimental Data ◽  
Experimental Study ◽  
Thermal Resistance ◽  
Thermal Performance ◽  
Working Fluid ◽  
Heat Transfer Characteristics ◽  
Two Phase ◽  
Transfer Characteristics ◽  
Adiabatic Section

This study investigated the heat transfer characteristics of modified two-phase closed thermosyphon (TPCT) using water as the working fluid. In the modified TPCT, to reduce thermal resistance, a small TPCT was inserted inside the adiabatic section. For both the plain and modified thermosyphons the performances were determined at various heat inputs from 71-960 W. The results showed that the modified TPCT had less temperature difference between the evaporator and condenser sections than the plain one. According to the experimental data, in the modified TPCT, the thermal performance increased up to 20% over that of the unmodified one.

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