ANOMALOUS HEAT FLOW AND ITS CORRELATION WITH DEUTERIUM FLUX IN A GAS-LOADING DEUTERIUM-PALLADIUM SYSTEM

摘要

A special experimental device was designed to test the anomalous thermal effect of Pd with deuterium flux (D_f) caused by deuteron diffusion passing through a thin wall of a Pd tube under a D_2 pressure difference across the Pd wall. It is found that the variation of the flux was the significant precursor of the anomalous heat, because a remarkable heat flow was detected when the D_f was becoming obviously larger. The experiment was repeated for more than 16 times, and the maximum heat flow detected was 4.8mW whereas the accuracy of the calorimeter is better than 30μ W. There were no heat flow detected when the temperature of the device was increased and when the D_2 pressure difference equaled to zero. Neither heat flow nor flux was observed in the control experiment using N_2.gas. The results of TLD( Themoluminescence dosimeter) detection implied a nuclear origin of the heat flow because the dosage of radiation in reaction vessel was often higher than that in reference vessel.