Journal article Open Access

Numerical Simulation and Analysis on Liquid Nitrogen Spray Heat Exchanger

Wenjing Ding; Weiwei Shan; Zijuan; Wang; Chao He


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        <foaf:name>Weiwei Shan</foaf:name>
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    <dct:title>Numerical Simulation and Analysis on Liquid Nitrogen Spray Heat Exchanger</dct:title>
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    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#gYear">2017</dct:issued>
    <dcat:keyword>Liquid nitrogen spray</dcat:keyword>
    <dcat:keyword>temperature regulating system</dcat:keyword>
    <dcat:keyword>heat exchanger</dcat:keyword>
    <dcat:keyword>numerical simulation.</dcat:keyword>
    <dct:issued rdf:datatype="http://www.w3.org/2001/XMLSchema#date">2017-08-01</dct:issued>
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    <dct:description>Liquid spray heat exchanger is the critical equipment of temperature regulating system by gaseous nitrogen which realizes the environment temperature in the range of -180 ℃~+180 ℃. Liquid nitrogen is atomized into smaller liquid drops through liquid nitrogen sprayer and then contacts with gaseous nitrogen to be cooled. By adjusting the pressure of liquid nitrogen and gaseous nitrogen, the flowrate of liquid nitrogen is changed to realize the required outlet temperature of heat exchanger. The temperature accuracy of shrouds is ±1 ℃. Liquid nitrogen spray heat exchanger is simulated by CATIA, and the numerical simulation is performed by FLUENT. The comparison between the tests and numerical simulation is conducted. Moreover, the results help to improve the design of liquid nitrogen spray heat exchanger.</dct:description>
    <dct:description xml:lang="">{"references": ["Huang Bencheng, Ma Youli. Spacecraft space environment experimental technology (M). Beijing: National Defense Industry Press, 2002.", "Yang Shiming, Tao Wenquan. Heat transfer (M). Beijing: Higher Education Press, 1998.", "Tao Wenquan. Numerical heat transfer (M). Xi'an: Xi'an Jiaotong University Press, 1998.", "Zhou Junjie. Fluent engineering technology and examples of analysis (M). Beijing: China Water Resources and Hydropower Press, 2010.", "Yu Yong. Fluent entry and advanced tutorial (M). Beijing: China University of Technology Press, 2008.", "J. Kim. Spray cooling heat transfer. The state of the art (J). International Jounal Heat and Fluid Flow, 2007, 28 (4): 753-767."]}</dct:description>
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