CORE
CO
nnecting
RE
positories
Services
Services overview
Explore all CORE services
Access to raw data
API
Dataset
FastSync
Content discovery
Recommender
Discovery
OAI identifiers
OAI Resolver
Managing content
Dashboard
Bespoke contracts
Consultancy services
Support us
Support us
Membership
Sponsorship
Research partnership
About
About
About us
Our mission
Team
Blog
FAQs
Contact us
Community governance
Governance
Advisory Board
Board of supporters
Research network
Innovations
Our research
Labs
Aerodynamic drag of a high-speed train under cross wind conditions
Authors
杨国伟
毛军
郗艳红
高亮
Publication date
1 January 2014
Publisher
Abstract
采用真实的列车模型对横风作用下气动阻力进行数值模拟,对不同列车速度、不同横风风速及横风风向角下列车阻力的变化规律、列车各部件的阻力构成及分布进行研究,并利用量纲分析π定理,提出列车的阻力系数与风速、风向角及车速之间的综合表达式。研究结果表明:阻力系数与风速、风向角和列车车速分别呈三次函数关系;压差阻力为总阻力的主要部分,其所占比例为75%~85%,远大于黏性摩擦阻力所占比例
Similar works
Full text
Available Versions
Institute Of Mechanics,Chinese Academy of Sciences
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.imech.ac.cn:311007/...
Last time updated on 29/12/2019