Study on a Concentric Tube Heat Exchanger with Helical Baffle: Experimental Study - Softcover

Inhaltsangabe

Heat exchangers are the most common equipment used to transfer heat from high-temperature fluid to low-temperature fluid without direct contact. The present study considers the analytical approach on a concentric tube heat exchanger with the helical baffle. The objective of the study is to reduce the size with effect to increase the effectiveness of the heat exchanger. A heat exchanger with 100mm external diameter and 560mm length contains a helical baffle with 20 – degrees inclination. The designed heat exchanger is analyzed by varying the mass flow rate of hot water from 0.25Kg/s to 2Kg/s at an interval of 0.25kg/s at three different temperatures i.e. 363.16K, 368.16K, 373.16K. A nanofluid is applied to cool the hot water without any loss. The mass flow rate of cold fluid is 2Kg/s at 30 degrees Celsius. The results have displayed that the heat exchanger exhibited appreciable effectiveness at a flow rate of 0.25Kg/s for hot water at 373.16K temperature. Thereby suggesting it as the optimum model of the heat exchanger.

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