1) environmental test tunnel
环境试验风洞
1.
To control the sand/dust concentration effectively is a major difficulty of sand/dust environmental test tunnel’s control system design.
砂尘环境会对直升机工作性能和可靠性产生重要影响,针对直升机砂尘环境试验风洞内的砂尘浓度控制难题,在对其受控对象进行动态特性分析的基础上,建立起砂尘浓度变化的动态特性模型,提出了一种旋转给料器转速调节与气力输送系统调节阀开度调节相结合的沙尘浓度控制策略,并对其控制效果进行了仿真研究,仿真结果表明这一控制策略可以有效提高直升机砂尘环境试验风洞的砂尘浓度控制效果。
2) environmental wind tunnel
环境风洞
1.
Study on the simulating technique in environmental wind tunnel;
环境风洞的模拟技术研究
2.
Application of PIV to measurements in environmental wind tunnel;
环境风洞中流动的PIV测量
3.
Environmental wind tunnel, its equipment and measurement instruments in the Environmental Wind Tunnel Labora-tory of State Power Corporation have been described.
介绍国家电力公司环境风洞实验室的建设改造背景和过程,详细描述了实验室的环境风洞、配套仪器和设备,还介绍了电力环境保护研究所从已完成的实验项目中所获得的经验及今后可提供的服务。
3) Wind-tunnel environment
风洞环境
1.
Aiming at EMI in Wind-tunnel environment, researched on the system\'s EMC.
本文主要研究引信机构在风洞环境下压力参量的测试,阐述了压力测量的国内外现状和发展趋势,针对风洞环境下测试的特殊性确定了压力测试系统的主要技术指标,建立了系统的总体设计方案,并根据系统的测试要求选定了适合风洞测试环境的美国Kulite公司的薄膜型压力传感器,它完成了压力信号到电信号的转换。
4) wind tunnel experiment
风洞试验
1.
The wind tunnel experiment techniques of backward dispersion of turning shrapnel;
旋转子母弹后抛撒风洞试验研究
2.
Design-oriented wind tunnel experiments for house buildings;
面向设计的房屋建筑刚性模型风洞试验
3.
The wind tunnel experiment of the hot spring swimming center in Jiuzhaigou International Convention and Vacation Center was carried out to investigate the structure behavior under wind loads.
根据九寨沟甘海子国际会议度假中心温泉泳浴中心的风洞试验结果,分析了该结构屋面在风荷载作用下的受力性能。
5) wind tunnel test
风洞试验
1.
Numerical simulation application in the wind tunnel test on Chongqing Grand Theater model;
数值模拟在重庆大剧院刚性模型风洞试验中的应用
2.
Study on rain-wind induced vibration of cables in cable-stayed bridges by wind tunnel test;
斜拉桥拉索风—雨致振动特性风洞试验研究
3.
Method of selecting high-speed train scale model for wind tunnel testing of aerodynamic drag based on numerical computation;
基于数值计算的高速列车气动阻力风洞试验缩比模型选取方法
6) wind-tunnel test
风洞试验
1.
In response to the present condition that the MSS anti-wind study is less at domestic and,basedon the wind-tunnel testing and research of Pearl River Huang-Pu Bridge MSS62.
5移动模架造桥机在实际工作中3种最不利状态进行的风洞试验研究,得出其在均匀流场中的涡振、颤振均未发生,给出其抖振振幅随风速改变的变化规律。
2.
Through wind-tunnel tests,the longitudinal and lateral aerodynamic force and moment characteristics and static stabilities are compared with them after mounting of the lifesaving system in terms of different angle-of-attacks,sideslip angles and wind speeds,and finally the eff.
通过风洞试验,对救生绞车对直升机机身气动性能的影响进行了研究,通过对比加装救生绞车与未加装救生绞车时模型直升机在不同迎角、侧滑角、风速等条件下的气动力、力矩特性及纵、横向静导数,确定了救生绞车对直升机气动及操稳性能的影响,为有关人员提供了参考。
3.
This paper introduces several kinds of experimental methods such as wind-tunnel test of a warship model wake field, warship model flow figure test, simulation test on the ground of flow field over the warship surface and a part of experimental resu.
笔者介绍了舰船空气尾流场风洞试验、流谱试验和地面模拟试验的方法及部分试验结果,其中的地面模拟试验及热线风速仪在外场条件下的应用是首次进行。
补充资料:环境影响评价的风洞模拟试验
环境影响评价的风洞模拟试验
环境影响评价的风洞模拟试验
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条