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Computational fluid dynamic modelling of water-cooling mechanism during thermal spraying process

Kamnis, Spyros and Gu, Sai (2007) Computational fluid dynamic modelling of water-cooling mechanism during thermal spraying process International Journal of Modelling, Identification and Control, 2, (3), pp. 229-234. (doi:10.1504/IJMIC.2007.014940).

Record type: Article


A Computational Fluid Dynamic (CFD) model is developed to examine the heat transfer process through the water-cooling mechanism in a High Velocity Oxygen Fuel (HVOF) thermal spraying system. The water-cooling configuration is composed of a series of discrete holes through the copper-made thermal spraying gun. Unstructured grid is employed for both liquid and solid regions and the water-cooling model is fully integrated with the gas flow dynamics where combustion, turbulent flow and free jet expansion are included. The numerical results indicate that the water flow direction has noticeable influence on the cooling efficiency due to the variation of heat capacity of water and the current cooling mechanism has no noticeable effect on the gas flow dynamics within the thermal spraying gun.

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Published date: 17 July 2007
Keywords: computational fluid dynamics, CFD, high velocity oxygen fuel, HVOF thermal spraying, water cooling, heat transfer, mathematical modelling, gas flow dynamics, combustion, turbulent flow, free jet expansion
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 49351
PURE UUID: 648b3e5d-3d90-4fb6-9214-2c07163cb389

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Date deposited: 01 Nov 2007
Last modified: 17 Jul 2017 14:56

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