Horai, K. and Simmons, G. (1970), An empirical relationship between thermal conductivity and Debye temperature for silicates , J. Geophys. Res. 75 , 978–982.Horai K, Simmons G (1970) An empirical relationship between ther- mal conductivity and debye temperature for silicates. J Geophys Res...
The relationship between the phonon conductivity at room temperature (K N ) and the seismic parameter (Sŀawomir,Maj - 《Pure & Applied Geophysics》 被引量: 1发表: 1978年 Phase stability determination of negative thermal expansion silicates by theory and experiment Its central element is the mode...
The thermal conductivity of Cu powder modified thermoplastic polyimide(TPI)was mea- sured via stable thermal plate method.The effects of filler content on the mechanical properties and thermal conductivity has been investigated,the relation between temperature and thermal conductivity of Cu/TPI composites...
1% increase in concrete porosity decreases its thermal conductivity by 0.6% [156]. At elevated temperatures, the increase in porosity due to physical and chemical changes may cause crack development and deterioration of concrete. When a concrete specimen is exposed to fire, the temperature and ...
has been an experimental challenge. In this work we use the contactless two-laser Raman thermometry to study heat dissipation in periodic porous membranes at high temperatures via lattice conduction and air-mediated losses. We find the reduction of the thermal conductivity and its temperature dependenc...
Temperature and thermal conductivity measurements from a 880-meter drilled hole (35°54.66N, 84° 18.94W) at Oak Ridge National Laboratory, Oak Ridge, Tennessee, give a value of 0.73±0.04/cal/cm2 sec for the flow of heat from the earth's interior. A detailed study of the thermal conduct...
We present a systematic theoretical investigation of the thermal conductivity of naturally abundant, isotopically enriched, fast neutron irradiated single crystals of diamond, and chemical vapor deposited diamond films of different types over a large temperature range. Existing experimental data have been an...
thermal conductivity n. A measure of the ability of a material to allow the flow of heat from its warmer surface through the material to its colder surface, determined as the heat energy transferred per unit of time and per unit of surface area divided by the temperature gradient, which is...
The thermal conductivity k is uniquely identified because the values of mu, Cp and Pr are specified. Hope this helps, Fumiya Hi Fumiya, If the vicous is sutherland law, does it has relation between k, As, Ts? August 12, 2024, 17:53 #6 JohnMary New Member John Mary Join Date: ...
An approach is proposed to determine the equivalent thermal conductivity coefficient of fire insulation according to temperature of steel member obtained by standard fire test. 针对厚型钢结构防火涂料的热工参数确定问题和膨胀型钢结构防火涂料隔热性能无合适方法评价的现状,提出了根据耐火试验检测测定构件升温过...