Experimental investigation on performances of plate heat exchanger's cold side for lubrication/water - water heat transfer
Автор: Wang Wei, Makeev Andrei, Povorov Sergei
Журнал: Бюллетень науки и практики @bulletennauki
Рубрика: Технические науки
Статья в выпуске: 6 т.4, 2018 года.
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In this research, the thermal-hydraulic performance of plate heat exchanger (Ridan HHN no. 04) used in domestic water system is investigated experimentally. The hot lubrication/water inlet keep temperature and flow rate constant at 72 °C and 0.8-0.1 L/s, the cold-water inlet remained 12 °C with different velocity. Then the convective heat transfer coefficient increases with enhancement of Reynolds number. Moreover, it is observed that Fanning friction factor decreases with an increase of the Reynolds number and it is showed by the figure. Therefore, it is possible to find that the increase of the Peclet number results in an increase of the Nusselt number as well when Peclet number in water - water smalls than 2500. Finally, we get heat exchanging performances of cold side in lubrication/water - water using plate heat exchanger.
Plate heat exchanger, thermal-hydraulic, convective heat transfer coefficient, peclet number
Короткий адрес: https://sciup.org/14112094
IDR: 14112094 | DOI: 10.5281/zenodo.1289833
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