Aerodynamic data on upper arm were compared under the conditions with and without cloth.
比较了穿衣袖与不穿衣袖两种状态下手臂的气动力数据。
However, the flight still managed to return 139 seconds of aerodynamic data at a velocity between 17 and 22 times the speed of sound, Darpa said.
然而,Darpa表示,在以17到22倍音速飞行的状态下,飞机还是回传了139秒的空气动力学数据。
The feasibility of the method proposed is verified by the aerodynamic data of a certain type of native airplane with V-shape vertical tail in flight balance state.
结合国内某型号飞机含有V型垂尾在配平时的数据验证算法正确性。
The lateral-direct aerodynamic data of a SUAV without any aileron with different dihedrals and vertical-tail areas were obtained through an aerodynamic estimation method.
通过理论计算,定量地研究了小型无副翼电动无人机的横航向操稳特性,对不同机翼上反角和垂尾面积进行了横航向模态特性计算与分析。
The calculated piston wind velocity accords with the measured result on site through making a comparison with tunnel aerodynamic test data of real vehicles.
以实车的隧道空气动力学试验资料为参照进行对比计算,计算活塞风速度与实测结果较好符合。
The flight trim aerodynamic characteristics of re-entry modules were calculated from on board-recorded inertial-platform accelerations and attitudes and from reconstructed trajectory data.
返回舱飞行试验的配平气动特性可从舱内惯性平台的加速度和姿态记录数据以及轨道数据求出。
To get high accuracy of the identification of aerodynamic parameters, based on the motion equation of an aircraft, a fast algorithm for flight data compatibility check is presented in this paper.
为了提高气动参数辨识的精度,根据飞机运动方程,给出了测量中的系统偏差、尺度因子误差和随机噪声描述,并提出了一种飞行数据相容性检验的快速算法。
When aerodynamic numerical simulation for flight vehicle and its components is conducted, the aerodynamic shape is generally given in the manner of discrete data.
对飞行器及其部件进行气动力数值模拟时,气动外形常常是以离散数据形式给出。
Then compute aerodynamic drag of high temperature particle at different temperature difference and fit the formula according to the computational data points.
计算了颗粒与气体不同温差情况下高温颗粒的气动阻力,并根据计算数据点拟合了计算公式。
The aerodynamic quality of dissipative silencer is summarized through the data from theory and experiment.
根据理论与试验两方面的数据,总结了阻性消声器的空气动力性能。
This kind of means (called turbulence regulator) is of value in providing reliable experimental data for problems of simulating aerodynamic load on low constructions.
为解决实际低矮构筑物的风载荷问题,取得了良好的模拟效果,提供了可靠的实验数据。
Aerodynamic performance calculation provides evaluation and feedback for the aerodynamic design and also the aerodynamic load data for the structural design of blade.
气动性能计算为气动设计结果提供评价和反馈,并为叶片的结构设计提供气动载荷的原始数据。
This paper describes a method for extracting the aerodynamic derivatives of a helicopter from flight data by means of low pass filtering, Kalman filtering and least square techniques.
本文主要介绍利用低通滤波、卡尔曼滤波及最小二乘法求取直升机气动导数的方法。
The dynamic stall experiment is an unsteady aerodynamic test, whose experimental data are random.
动态失速风洞实验是一种非定常实验,其测量所得数据属于随机数据范畴。
The aerodynamic coefficients such as the normal force, axial force, and the pitching moment of the ve-hide computed by the local method are in good agreement with the experimental data.
由此计算出飞行器的法向力、轴向力和俯仰力矩系数,计算结果与实验数据相符。
The calculated results accord with the aerodynamic theory as well as the data of the experiment.
计算结果符合基本气动力规律,和实验数据基本吻合。
The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.
试验数据分析结果表明,不同客车前部造型对气动力影响非常显著,如通过改善造型可使空气阻力系数由0.7509降为0.5759。
Abstract: The dynamic stall experiment is an unsteady aerodynamic test, whose experimental data are random.
文摘:动态失速风洞实验是一种非定常实验,其测量所得数据属于随机数据范畴。
For reentry capsules of spacecraft, making up the trajectory in black-out area is a key link of aerodynamic analysis from flight test data.
对于飞船返回舱,黑障区弹道再现是再人飞行试验气动分析工作的重要环节。
For reentry capsules of spacecraft, making up the trajectory in black-out area is a key link of aerodynamic analysis from flight test data.
对于飞船返回舱,黑障区弹道再现是再人飞行试验气动分析工作的重要环节。
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