Transient constriction resistance for elemental flux channels heated by uniform flux sources
Abstract
Series expressions for transient constriction resistance are presented for two elemental flux channel geometries: infinite strip contact bounded by adiabats and a circular spot contact on an insulated cylinder. Both flux channels are semi-infinite in the direction of heat flow and the contacts are heated by a uniform flux source. The resistances were derived from the temperature distributions which were determined by solving the heat equation with Laplace transforms. Results are given in tabular and graphical form, and show that the resistances reach the known steady state values. It is also shown that the resistances approach the half space solutions for small constriction ratios.
- Publication:
-
National Heat Transfer Conference
- Pub Date:
- August 1984
- Bibcode:
- 1984nht..conf.....Y
- Keywords:
-
- Channel Flow;
- Conductive Heat Transfer;
- Heat Flux;
- Thermal Resistance;
- Transient Heating;
- Half Spaces;
- Laplace Transformation;
- Temperature Distribution;
- Fluid Mechanics and Heat Transfer