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Thermal Analysis of a New Type Langmuir Probe Based on Numerical Simulation and Experimental Studies

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Abstract

A new design of Langmuir Probe (LP) used for diagnosing plasma in Tokamak has been reported in this work. The thermal state of LP is given by finite element analysis and an explanation of temperature variation based on the changes in heat flux are presented. The evaluation of thermal contact resistance at the interface of different materials are presented. A effective analytical method based on numerical calculation and experimental investigation has been developed for studying the heat transfer capability of LP. This method, is able to predict the inner thermal state of LP, thereby leading to optimize the design of LP. Excellent agreement between simulated results and calculated results figured out by ANSYS and experimental data, indicated the validity of this model. These results obtained are useful for developing the high-performance LP.

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Acknowledgments

The authors would like to thank the Physics Experiment Center of University of Electronic Science and Technology of China, The Center for Fusion Science of Southwestern Institute of Physics, and Research Institute of Micro/Nano Science and Technology of Shanghai Jiao Tong University for the support given in this work. The authors are also thankful to Dr Kai Peng and all other project team members for their support and guidance.

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Authors and Affiliations

  1. National Key Laboratory of Science and Technology on Nano/Micro Fabrication Technology, Research Institute of Micro/Nano Science and Technology, Shanghai Jiao Tong University, 800 Dong Chuan Road, Minhang Dist., Shanghai, 200240, China

    Tao Wang & Yong Zhou

  2. School of Physics Electronics, University of Electronic Science and Technology of China, 4 North Jianshe Road, Chengdu, 610054, China

    Lieming Yao

  3. The Institute of Optics And Electronics, The Chinese Academy of Sciences, Chengdu, 610209, China

    Shengmei Yan

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  1. Tao Wang
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  2. Lieming Yao
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  3. Yong Zhou
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  4. Shengmei Yan
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Correspondence to Tao Wang.

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Wang, T., Yao, L., Zhou, Y. et al. Thermal Analysis of a New Type Langmuir Probe Based on Numerical Simulation and Experimental Studies. J Fusion Energ 31, 79–83 (2012). https://doi.org/10.1007/s10894-011-9437-9

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  • DOI: https://doi.org/10.1007/s10894-011-9437-9

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