Influence of near-wall airflow traversing crater in target on thermal effects of laser irradiation

Rangshu Xu; Nana Zhang; Xinwei Lin; Changyu Zhao; Guowen Li

doi:10.1117/12.2011146

16 May 2013 Influence of near-wall airflow traversing crater in target on thermal effects of laser irradiation

Rangshu Xu, Nana Zhang, Xinwei Lin, Changyu Zhao, Guowen Li

Proceedings Volume 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012); 87960J (2013) https://doi.org/10.1117/12.2011146
Event: 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 2012, Xi'an, Shaanxi, China

Abstract

In this paper, fluid-solid thermal coupled computational models have been set up to simulate the subsonic nearwall airflow traversing a crater in target and heat transfer in target solid without phase transition in order to predict wall shear, heat flux and heat transfer coefficient on target surface and temperature field in the target under laser irradiation. The prototype of the model is the experiment zone of a flow simulation experiment facility, and the model was verified by the measured flow field data in it. The turbulence is modeled with Reynolds stress transport model. Laser irradiation is simulated with a beam of direct irradiation applied to the exterior boundary of the computational domain.

Citation Download Citation

Rangshu Xu, Nana Zhang, Xinwei Lin, Changyu Zhao, and Guowen Li "Influence of near-wall airflow traversing crater in target on thermal effects of laser irradiation", Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 87960J (16 May 2013); https://doi.org/10.1117/12.2011146

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