Abstract
The paper presents the results of studies on the thermal diffusivity of colloidal nanofluids depending on the change in one of the state parameters (pressure). Studies were carried out both with a change in the pressure of the experiment, and with a change in the nanometric size of silver particles in a liquid. Based on the results obtained, the corresponding empirical equations were derived and a proper comparative analysis was performed by comparing the experimental and calculated data on thermal diffusivity. The suitability of the derived equations is evidenced by the satisfactory agreement between the obtained data and the calculated ones within 1.79% at α=0.95.
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