Manufacturing Technology 2018, 18(6):992-1000 | DOI: 10.21062/ujep/213.2018/a/1213-2489/MT/18/6/992

Heat Transfer and Global Energy Balance in a Plate Heat Exchanger

Elena Pivarčiová, Mohammad Emal Qazizada
Department of Manufacturing and Automation Technology, Faculty of Environmental and Manufacturing Technology, Technical University in Zvolen, Masarykova 24, 960 53 Zvolen, Slovakia

Heat transfer evaluation in a plate heat exchanger (PHE) is one of the most common issue which is widely used in many engineering processes. The objective of this paper determine to formulate a global energy balance in a PHE and to study the heat losses, firstly focuses to study the heat transfer in countercurrent and parallel flow and to measure the temperature profile and to determine the number of transfer units (NTU) effectiveness of a plate heat exchanger. An addition to calculate the overall heat transfer coefficient using criteria equations, also focused to draw the temperature profile of the heat exchanger for both configurations countercurrent and parallel flow with temperature on the axial axis and thermocouple position on the horizontal axis. Furthermore discussed the behaior of temperature across the heat exchanger, compare the countercurrent and parallel flow arrangements, cpaing the experimental heat exchanger effectiveness with that estimated by the NTU method, the NTU effectiveness method application in the calculation of the output temperatures of a PHE. This concentric plate heat exchanger allows the study of heat transfer between hot water flowing through an internal sheets and cold water flowing in the ring area lying between the internal and external sheets, the plate heat exchanger allows measuring hot and cold water temperatures in different points of the heat exchanger.

Keywords: heat transfer, global energy balance, plate heat exchanger

Published: December 1, 2018  Show citation

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Pivarčiová E, Qazizada ME. Heat Transfer and Global Energy Balance in a Plate Heat Exchanger. Manufacturing Technology. 2018;18(6):992-1000. doi: 10.21062/ujep/213.2018/a/1213-2489/MT/18/6/992.
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