NDLI: Local heat transfer estimation in microchannels during convective boiling under microgravity conditions: 3D inverse heat conduction problem using BEM techniques

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Local heat transfer estimation in microchannels during convective boiling under microgravity conditions: 3D inverse heat conduction problem using BEM techniques

Content Provider	Scilit
Author	Luciani, S. Niliot, C. Le
Copyright Year	2008
Description	Journal: Journal of Physics: Conference Series Two-phase and boiling flow instabilities are complex, due to phase change and the existence of several interfaces. To fully understand the high heat transfer potential of boiling flows in microscale's geometry, it is vital to quantify these transfers. To perform this task, an experimental device has been designed to observe flow patterns. Analysis is made up by using an inverse method which allows us to estimate the local heat transfers while boiling occurs inside a microchannel. In our configuration, the direct measurement would impair the accuracy of the searched heat transfer coefficient because thermocouples implanted on the surface minichannels would disturb the established flow. In this communication, we are solving a 3D IHCP which consists in estimating using experimental data measurements the surface temperature and the surface heat flux in a minichannel during convective boiling under several gravity levels (g, 1g, 1.8g). The considered IHCP is formulated as a mathematical optimization problem and solved using the boundary element method (BEM).
Related Links	http://iopscience.iop.org/article/10.1088/1742-6596/135/1/012067/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/135/1/012067
Journal	Journal of Physics: Conference Series
Issue Number	1
Volume Number	135
Language	English
Publisher	IOP Publishing
Publisher Date	2008-11-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Heat Transfer Coefficient Optimization Problem Boundary Element Method Surface Temperature
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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