International Journal of Hydrogen Energy, ( ISI ), Volume (45), No (30), Year (2020-5) , Pages (15425-15440)

Title : ( Effect of hydrogen addition on conjugate heat transfer in a planar micro-combustor with the detailed reaction mechanism: An analytical approach )

Authors: Mostafa Pourali , Javad Abolfazli Esfahani , Sayyed Aboozar Fanaee , Rob J.M. Bastiaans , Kyung Chun Kim ,

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Abstract

In this study, a steady state analytical investigation of conjugate heat transfer in a planar micro-combustor is presented by considering the detailed reaction mechanisms for a methane/air mixture with 10% and 20% hydrogen addition. The primary objective is studying the effects of hydrogen addition on the wall and gas temperature distribution in order to propose a practical solution to manage the significant heat transfer in micro-combustors. The reactive mixture is divided into the pre-flame, reaction, and post-flame zones. Then, the conservation equations are analytically solved in each zone using the matching conditions. Moreover, to present a general analysis, appropriate non-dimensional thermal parameters are recommended considering the thermal interaction between the reactive mixture, solid structure and ambient. As a result, appropriate correlations for the normalized wall temperature profile are presented for different situations that can be used as a prescribed wall temperature distribution in numerical simulations. Moreover, it is found that for the cases with solid-fluid thermal diffusion ratio greater than 50, the thermal properties can negate the effect of hydrogen addition on the wall temperature distribution.

Keywords

, Micro, combustor Analytical solution Reaction mechanism Heat management Hydrogen addition
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@article{paperid:1080465,
author = {Pourali, Mostafa and Abolfazli Esfahani, Javad and ابوذر فنایی and راب ج ام باستیانس and کیون چون کیم},
title = {Effect of hydrogen addition on conjugate heat transfer in a planar micro-combustor with the detailed reaction mechanism: An analytical approach},
journal = {International Journal of Hydrogen Energy},
year = {2020},
volume = {45},
number = {30},
month = {May},
issn = {0360-3199},
pages = {15425--15440},
numpages = {15},
keywords = {Micro-combustor Analytical solution Reaction mechanism Heat management Hydrogen addition},
}

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%0 Journal Article
%T Effect of hydrogen addition on conjugate heat transfer in a planar micro-combustor with the detailed reaction mechanism: An analytical approach
%A Pourali, Mostafa
%A Abolfazli Esfahani, Javad
%A ابوذر فنایی
%A راب ج ام باستیانس
%A کیون چون کیم
%J International Journal of Hydrogen Energy
%@ 0360-3199
%D 2020

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