氘/钯气-固系统中过热现象的量热研究(三)

Study on Calorimetry of Excess Heat in a D/Pd Gas-loading System(Ⅲ)

在凝聚态核科学低能核反应的研究领域中,通常使用等温量热法来计算系统中产生的过热功率。由于反应室结构以及在标定实验和触发实验中使用的气体的导热系数的不同,反应室内会产生不同的温度梯度和温度分布。另外,气体压力的变化也会改变反应室内热传递方式,进而进一步影响反应室内的温度梯度和温度分布,这些原因导致利用等温量热法计算的过热功率存在较大的测量误差,这类误差在很多的过热测量中被误认为是系统产生的过热功率。

In the field of condensed matter nuclear science,isothermal calorimetry is usually used to calculate the excess heat power generated in the system.Due to the structure of the reaction chamber and the different thermal conductivity of the gases used in the calibration and triggering experiments,different temperature gradients and distributions would occur in the reaction chamber.In addition,the change of gas pressure will also change the heat transfer mode in the reaction chamber,and have an influence on the temperature gradient and distribution.These reasons lead to errors in the calculation of excess heat power by isothermal calorimetry,which may be mistaken for the excess heat power generated by the system in many reported researches.