Heat transfer characteristics of enhanced cooling tube with a helical wire under oscillatory flow in Stirling engine

2021 ◽  
Vol 168 ◽  
pp. 107063
Author(s):  
Feng Xin ◽  
Minjie Yu ◽  
Wei Liu ◽  
Zhichun Liu
Keyword(s):  
Heat Transfer ◽  
Oscillatory Flow ◽  
Stirling Engine ◽  
Heat Transfer Characteristics ◽  
Transfer Characteristics ◽  
Cooling Tube

Heat Transfer From Combustion Gases to a Single Row of Closely Spaced Tubes in a Swirl Crossflow Stirling Engine Heater

1982 ◽  
Vol 104 (1) ◽  
pp. 55-61 ◽  
Author(s):  
C. P. Bankston ◽  
L. H. Back
Keyword(s):  
Heat Transfer ◽  
Heat Exchanger ◽  
Stirling Engine ◽  
Operating Conditions ◽  
Experimental Program ◽  
Working Fluid ◽  
Heat Transfer Characteristics ◽  
Transfer Coefficients ◽  
Single Row ◽  
Transfer Characteristics

This paper describes an experimental program to determine the heat-transfer characteristics of a combustor and heat-exchanger system in a hybrid solar receiver which utilizes a Stirling engine. The system consists of a swirl combustor with a crossflow heat exchanger composed of a single row of 48 closely spaced curved tubes. In the present study, heat-transfer characteristics of the combustor/heat-exchanger system without a Stirling engine have been studied over a range of operating conditions and output levels using water as the working fluid. Non-dimensional heat-transfer coefficients based on total heat transfer have been obtained and are compared with available literature data. The results show significantly enhanced heat transfer for the present geometry and test conditions. Also, heat transfer along the length of the tubes is found to vary, the effect depending upon test condition.

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