Abstract
For the application of a thermosyphon to the welfare engineering, we investigate the effect of some experimental conditions on the heat transfer characteristic. Concretely, in making filling rate to be 40% and 70% using ethanol, acetone as a working fluid, the heat transfer characteristic was examined by the change of heat-input, circumference air temperature. As a result, the acetone was suitable as a working fluid, and the possibility of a thermosyphon to the practical application was shown.
