Acta Mechanica Slovaca 2014, 18(2):6-12 | DOI: 10.21496/ams.2014.013

Comparison of Pressure Losses of Clean and Deposit-covered Heat Exchange Surfaces of a Natural Gas Cooler

Mária Čarnogurská1*, Miroslav Příhoda2, Juraj Václav3
1 Faculty of Mechanical Engineering, Technical University of Košice, Department of Power Engineering, Vysokoškolská 4, Košice, 042 00, Slovak Republic
2 Faculty of Metallurgy and Materials Engineering, VŠB - Technical University of Ostrava, Department of Thermal Engineering, Ostrava-Poruba, 708 00, Czech Republic
3 Division of Nuclear Materials Nuclear Regulatory Authority of the Slovak Republic, Bratislava, 800 00, Slovak Republic

This article discusses the pressure losses which occur on the outer and inner heat transfer surface area of natural gas coolers. An analytical method is used to determine the pressure loss on the outside of the heat transfer surface area and the development of this loss is presented depending on the thickness of coating (dirt) deposited on the fins of the heat exchange surfaces. The pressure loss inside the cooling tubes from the layer of deposition is expressed specifically as friction loss, especially the loss of local resistance and collective pressure loss. The results include an assessment of the impact of the deposited impurities on the compression work and for providing the required cooling performance.

Keywords: Natural gas cooler, deposit, pressure losses, compression work

Published: October 31, 2014  Show citation

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Čarnogurská, M., Příhoda, M., & Václav, J. (2014). Comparison of Pressure Losses of Clean and Deposit-covered Heat Exchange Surfaces of a Natural Gas Cooler. Acta Mechanica Slovaca, 18(2), 6-12. doi: 10.21496/ams.2014.013
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