Aerodynamic Drag Reduction of a High-Speed Train Nose With Bionic Round Pits

Li Tian; Qin Deng; Li Ming; Zhang Jiye

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Aerodynamic Drag Reduction of a High-Speed Train Nose With Bionic Round Pits

机译：仿生圆坑高速火车机头的气动减阻

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摘要

The aerodynamic drag forces of a high-speed train with or without round pits were investigated. The aerodynamic drag reduction is mainly due to the pressure difference. The round pits installed on the coupling cover contribute nearly 2% for the aerodynamic drag reduction of high-speed trains.

机译：研究了带有或不带有圆形凹坑的高速列车的空气动力学阻力。空气阻力的减小主要是由于压力差。安装在联轴器盖上的圆坑对减少高速列车的气动阻力贡献了近2％。

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《Computing in science & engineering》 |2019年第3期|31-41|共11页
作者
Li Tian; Qin Deng; Li Ming; Zhang Jiye;
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作者单位

Southwest Jiatong Univ, State Key Lab Tract Power, Chengdu, Sichuan, Peoples R China;

Southwest Jiatong Univ, State Key Lab Tract Power, Chengdu, Sichuan, Peoples R China;

CRRC Tangshan Co Ltd, Tangshan, Peoples R China;

Southwest Jiatong Univ, State Key Lab Tract Power, Chengdu, Sichuan, Peoples R China;

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专利

1. Aerodynamic Drag Reduction of a High-Speed Train Nose With Bionic Round Pits [J] . Li Tian, Qin Deng, Li Ming, Computing in science & engineering . 2019,第3期

机译：气动阻力减少仿生圆坑的高速列车鼻子
2. Optimum nose shape of a front-rear symmetric train for the reduction of the total aerodynamic drag [J] . Minho Kwak, Suhwan Yun, Yeongbin Lee, Journal of Mechanical Science and Technology . 2013,第12期

机译：前后对称轮系的最佳机头形状，可减少总空气阻力
3. Optimum nose shape of a front-rear symmetric train for the reduction of the total aerodynamic drag [J] . Minho Kwak, Suhwan Yun, Yeongbin Lee, Journal of Mechanical Science and Technology . 2013,第12期

机译：前后对称火车的最佳机头形状，可减少总的空气阻力
4. Reduction of the compression wave in a tunnel and aerodynamic drag of a bluff-nose train [C] . Y. Sakuma, A. Ido, M. Iida International Symposium on Aerodynamics and Ventilation of Vehicle Tunnels . 2009

机译：减少隧道中的压缩波和虚张声鼻列车的空气动力学阻力
5. THEORETICAL AND EXPERIMENTAL AERODYNAMIC ANALYSIS FOR HIGH-SPEED GROUND VEHICLES (TRAIN, ELECTROMAGNETIC SUSPENSION TRAIN, GROUND VEHICLES). [D] . FARHAN, ISMAIL HAIDER. 1991

机译：高速地面车辆（火车，电磁悬挂火车，地面车辆）的理论和实验空气动力学分析。
6. Moving Model Test of High-Speed Train Aerodynamic Drag Based on Stagnation Pressure Measurements [O] . Mingzhi Yang, Juntao Du, Zhiwei Li, -1

机译：基于停滞压力测量的高速列车气动阻力运动模型试验
7. Bionic shape design of electric locomotive and aerodynamic drag reduction [O] . Zhenfeng WU, Yanzhong HUO, Wangcai DING, 2018

机译：电力机车和空气动力阻力的仿生形状设计
8. LIFT, DRAG, AND PITCHING MOMENT OF LOW-ASPECT-RATIO WINGS AT SUBSONIC AND SUPERSONIC SPEEDS - PLANE TAPERED WING OF ASPECT RATIO 3.1 WITH 3-PERCENT-THICK ROUNDED-NOSE SECTION [R] . John C. Heitmeyer 1952

机译：在低速和超音速下的低宽比翼的提升，拖曳和倾斜时刻 - 纵向比例的平面锥形翼3.1具有3％的圆形鼻子部分

Aerodynamic Drag Reduction of a High-Speed Train Nose With Bionic Round Pits

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