首页|Numerical analysis of temperature rise within 70 MPa composite hydrogen vehicle cylinder during fast refueling
Numerical analysis of temperature rise within 70 MPa composite hydrogen vehicle cylinder during fast refueling
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The numerical simulation model for predicting fast filling process of 70 MPa type Ⅲ (with metal liner) hydrogen vehicle cylinder was presented,which has considered turbulence,real gas effect and solid heat transfer issues.Through the numerical analysis method,the temperature distributions of the gas within the solid walls were revealed; adiabatic filling was studied to evaluate the heat dissipation during the filling; the influences of various filling conditions on temperature rise were analyzed in detail.Finally,cold filling was proposed to evaluate the effect on temperature rise and SoC (state of charge) within the cylinder.The hydrogen pre-cooling was proved to be an effective solution to reduce maximum temperature and acquire higher SoC during the filling process.
fast fillingnumerical analysistemperature risehydrogen vehicle cylinderstate of charge
WANG Liang、ZHENG Chuan-xiang、LI Rong、CHEN Bing-bing、WEI Zong-xin
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Institute of Chemical Machinery and Process Equipment, Zhejiang University, Hangzhou 310027, China
Institute of Process Equipment and Control Engineering, Zhejiang University of Technology,Hangzhou 310032, China
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