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《Engineering Sciences》 2015-04
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Development of research on aerodynamics of high-speed rails in China

Tian Hongqi;Key Laboratory of Traffic Safety on Track of Ministry of Education,Central South University;School of Traffic & Transportation Engineering,Central South University;  
The paper summarizes start,growth,accumulation,development,improvement,and leadership of the research on aerodynamics of high-speed rails in China,which focuses on train aerodynamics,vehicle-track-bridge-tunnel coupling aerodynamics,vehicle-wind-sand-rainsnow environmental aerodynamics,pantograph-catenary aerodynamic and body aerodynamics.It is devoted to finding the mechanism of formation,building fundamental theorem,creating technical breakthrough,proposing measures to tackle aero dynamical problems which pose a threat to development of high-speed railways and safety of operation,and realizing their engineering application. The paper introduces a series of experimental platforms for testing aerodynamics of high-speed rails and novel experiments we have accomplished,including moving vehicle model tests,human comfort/vehicle body stiffness/air tightness tests under alternating pressure,aero dynamical experiments in wind/sand/rain/snow coupling environment,vision inspection systems,experimental platform for full-scale vehicles,private/public wind tunnel and high-availability clusters for numerical simulation. Finally it discussed the ongoing research and our thoughts about further development.
【CateGory Index】: U270.11
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