首页|期刊简介|投稿指南|分类索引|刊文选读|订阅指南|证明资料|样刊邮寄查询|常见问题解答|联系我们
杨建忠,李淞浩,卢勇. 车载气动实验系统对机翼气动特性影响数值模拟[J]. 科学技术与工程, 2020, 20(35): 14701-14707.
Yang Jianzhong,李淞浩.Numerical Simulation of Car-carried Experimental System Effect on Aerodynamic Characteristics of Wing[J].Science Technology and Engineering,2020,20(35):14701-14707.
车载气动实验系统对机翼气动特性影响数值模拟
Numerical Simulation of Car-carried Experimental System Effect on Aerodynamic Characteristics of Wing
投稿时间:2019-11-01  修订日期:2020-08-13
DOI:
中文关键词:  地面效应  数值模拟 车载实验  气动特性
英文关键词:ground effect  numerical simulation  car-carried test  aerodynamic characteristic
基金项目:中央高校基本科研业务费
        
作者单位
杨建忠 中国民航大学天津市民用航空器适航与维修重点实验室
李淞浩 中国民航大学天津市民用航空器适航与维修重点实验室
卢勇 中国民航大学天津市民用航空器适航与维修重点实验室
摘要点击次数: 147
全文下载次数: 72
中文摘要:
      为了研究了机翼安装位置对翼型气动特性的影响,建立了一个基于N-S方程的机翼气动特性数值模拟方法,机翼模型剖面为NACA0012,展弦比4。首先通过计算结果与标准模型实验结果对比,验证了三维网格和计算方法的可靠性与适用性,进一步针对车载系统的关键设计参数开展了数值分析。结果表明:车顶流场相较于风洞流场,流场中的速度矢量不完全平行于前进方向,使得不同翼型安装位置处的气动力差别较大;鉴于近车顶效应对模型气动特性有较大影响,对车载试验测量结果带来不可忽视的误差,有必要采用控制实验位置的预处理手段对其进行消除或减弱。
英文摘要:
      In order to study the influence of the installation position of the wing on the aerodynamic characteristics of the airfoil, a numerical simulation method of the aerodynamic characteristics of the wing based on the N-S equation was established. The profile of the wing model was NACA0012 and the aspect ratio was 4. Firstly, the reliability and applicability of the 3D mesh and calculation method were verified by comparing the calculation results with the experimental results of the standard model. The numerical analysis of the key design parameters of the car-carried system is carried out. The results show that the velocity vector in the flow field is not completely parallel to the forward direction compared to the wind tunnel flow field, which makes the aerodynamic difference at different airfoil installation locations larger. In view of the fact that the near-vehicle effect has a great influence on the aerodynamic characteristics of the model, and the deviation of car-carried test measurement results can not be ignored, it is necessary to eliminate or weaken the pre-measurement method of controlling the experimental position.
查看全文  查看/发表评论  下载PDF阅读器
关闭
你是第35087285位访问者
版权所有:科学技术与工程编辑部
主管:中国科学技术协会    主办:中国技术经济学会
Tel:(010)62118920 E-mail:stae@vip.163.com
京ICP备05035734号-4
技术支持:本系统由北京勤云科技发展有限公司设计

京公网安备 11010802029091号