Effect of multiple jet impingement plate configurations on Reynolds Number in a pipe

Ramli, Munirah; Talib, Ahmad; Harmin, Mohammad Yazdi; Saiah, Helmey Ramdhaney Mohd

doi:10.1088/1757-899x/152/1/012012

Cited by 1 publication

(1 citation statement)

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“…With these information, engineers could design engine components and cooling systems that are appropriate with the working temperature of the combustion chamber and turbine section. One of the most commonly used approaches to analyze the transient surface heat transfer experimental data is by solving Fourier one dimensional heat equation coupled with semi-infinite solid condition [1][2][3][4][5][6]. The resultant data would be heat transfer coefficient and adiabatic wall temperature.…”

Section: Introductionmentioning

confidence: 99%

Semi-infinite solid heat transfer limitation

Saiah¹,

Rafie²,

Romli³

et al. 2018

IJET

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One-dimensional semi-infinite heat transfer solution is a common solution for transient heat transfer experiments. This solution is valid for a short certain amount of time before the semi-infinite solid became invalid. Crank Nicolson solution has been chosen to address this issue. This paper reports the time limitation for semi-infinite solid solution and justify the usability of Crank Nicolson solution given the same boundary conditions. The flat plate heat transfer experiment has been conducted. With the same boundary conditions, at Fourier number 0.1, the resultant heat transfer coefficient and adiabatic wall temperature have shown a good agreement between the semi-infinite solid solution and the Crank Nicolson solution. Beyond this Fourier number, both solutions have given inaccurate results. The inaccurate results are due to unsuitable boundary conditions. Future work will involve modification of the back face boundary conditions to address the time limitation of the one-dimensional semi-infinite solid heat transfer solution.

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