why constant pressure is consider for thermal diffusivity??
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Answer Posted / Ranjeet Ranjan Bharti
Constant pressure is considered for thermal diffusivity because it allows for a more accurate calculation of heat transfer within a material. Thermal diffusivity is defined as the ratio of the material's thermal conductivity to its heat capacity multiplied by its specific weight. By keeping the pressure constant, we can focus on the properties of the material itself and eliminate any variations due to pressure changes.
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