AN APPLICATION OF THE BOUNDARY ELEMENT TECHNIQUE TO PERIODIC HEAT TRANSFER IN A FIN ASSEMBLY

1993 ◽  
Vol 23 (4) ◽  
pp. 379-398 ◽  
Author(s):  
J. M. Houghton ◽  
D. B. Ingham ◽  
P. J. Heggs
Keyword(s):  
Heat Transfer ◽  
Boundary Element ◽  
Periodic Heat ◽  
Element Technique ◽  
Boundary Element Technique

Inverse Heat Conduction Applied to the Measurement of Heat Transfer Coefficient on a Cylinder: Comparison Between an Analytical and a Boundary Element Technique

1991 ◽  
Vol 113 (3) ◽  
pp. 549-557 ◽  
Author(s):  
D. Maillet ◽  
A. Degiovanni ◽  
R. Pasquetti
Keyword(s):  
Heat Transfer ◽  
Heat Transfer Coefficient ◽  
Transfer Coefficient ◽  
Boundary Element ◽  
Local Heat Transfer ◽  
Outer Radius ◽  
Transfer Coefficients ◽  
Direct Model ◽  
Element Technique ◽  
Boundary Element Technique

A new method using either an analytical or a boundary element inverse technique, is developed for measurement of local heat transfer coefficients. The direct model calculates the temperature field inside a cylindrical pipe. This is submitted to a given heat transfer coefficient angular profile on its outer radius and on an uniform temperature on its inner radius. Experimental temperature measurements inside the cylinder are processed by two techniques. Their results are very close and coherent with those of other authors. Variation of the cylinder conductivity with temperature, implemented by the boundary element technique, seems to show that the averaging of its value yields a regularization effect.

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