, Volume 5, Issue 4, pp 271-277

Analytical study on impingement heat transfer with single-phase free-surface circular liquid jets

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Abstract

An analytical research was conducted to study heat transfer from horizontal surfaces to normally impinging circular jets under arbitrary-heat-flux conditions. The laminar thermal and hydraulic boundary layers were divided into five regions of flow. General expressions of heat transfer coefficients were obtained in all the four regions of stagnation and wall jet zones before the hydraulic jump.