Variable speed wind turbine is one of hot research fields in large wind turbines these days.
变转速风力机是当前大型风力机研究领域的研究热点之一。
An aircraft model was tested in the FL-8 low speed wind tunnel. The test data were analyzed.
在FL - 8风洞中采用某型号飞机的动导模型进行了旋转流场下滚转振荡试验研究,对试验数据进行简单分析。
An adaptive feedback linearization controller for a variable speed wind turbine system is proposed.
针对变速风力发电系统提出了一种自适应反馈线性化控制器。
With high-speed wind tests of scale models under way, the blended wing could take flight before 2020.
目前,等比例模型的高速风洞测试正在进行中,预计混合机翼能在2020年前起飞。
Wall-signature methods for wall interference correction in high speed wind tunnel model tests is presented.
本文介绍用壁压信息法对高速风洞模型试验进行洞壁干扰修正的方法。
Strong refrigeration systems, high rotational speed wind of recycling system to ensure the rapid refrigeration.
强劲的制冷系统,高转速风量再循环系统,确保快速制冷。
The tester, a kind of civil low speed wind tunnel in nature, consists of wind generator, test platform and control system.
沥青瓦抗风性试验仪由风源、试验平台和控制系统三大部分组成,它是一种民用开式低速风洞。
The tests results indicate that (H-shaped) booms without taking any measures have galloping performance in low speed wind.
不做任何措施的H型吊杆在一定的风速下很容易发生驰振。
The bases of the new standard and some problems on the calibration of high speed wind tunnels are discussed in this report.
本报告论述了新指标提出的依据,并就流场校测的一些问题作了简要讨论。
The experimental model and equipment are designed, and the low speed wind tunnel experiment at high angles of attack is made.
设计了模型和实验装置,进行了大迎角低速风洞实验。
A method to compute aerodynamic characteristics of three-dimensional transitive section of high speed wind-tunnel has been suggested.
本文提出了一种计算高速风洞三维过渡段的气动特性的方法。
In the paper were carried out experiments on two-dimensional nozzle flow with and without incoming swirling in a low-speed wind tunnel.
本文介绍了在低速射流风洞上开展的二维喷管来流带旋涡的模拟实验。
To solve these key problems, it is essential to carry out high speed wind tunnel tests and deal with testing technical problems thereof.
要解决这些关键气动力问题,必须进行一系列相关的大型高速风洞试验,以及解决相应的试验技术问题。
The flow field of the wing tip vortex, which shed from a rectangular wing, is surveyed by a seven holes probe in a low speed wind tunnel.
应用七孔探针空间流场定量测试技术研究了翼尖涡的流动结构,给出了翼尖尾涡在下游两倍弦长距离内的速度和压力场分布随迎角变化的规律。
A type of low speed wind tunnel used in research on forestry protection and its structure, function and principle of the design is introduced.
介绍一种用于森林保护科研试验的低速风洞的构造、性能和设计原理。
The presented linearized model of doubly-fed induction generator is suitable to the related researches of doubly-fed variable speed wind turbines.
文中提出的双馈感应发电机线性化模型适用于变速恒频双馈风力发电系统的相关研究。
Defect on air pressure vessel materials of high speed wind tunnel resource was inspected by means of ultrasonic radiographic and magnetic particle.
对高速风洞气源气罐全厚材料用超声、磁粉、射线等方法进行了缺陷检测。
Detailed flow field measurements were conducted in a low speed wind tunnel for both original and modified LGV's which are used in turbofan engines.
采用实验方法对某型弹用涡扇发动机涡轮低压导向器原型和改型进行了详细的低速风洞实验。
Low speed wind tunnel experiment requires strict of the wind speed, which requires a wild range of wind speed, high precision, and quick adjustment.
低速风洞实验要求对实验段的风速有严格的控制,要求风速调节范围宽,精度指标高,调节速度快。
Through analyzing the methods and combination of the low speed wind tunnel test data, the position of the separation point can be detected accurately.
通过对试验结果进行数据处理,验证了该判定方法对分离点位置判定的正确性和有效性。
Exterior flow field measurement above smooth and different riblet surfaces was carried out in a low speed wind tunnel by means of hot-wire anemometry.
利用热线风速仪,对光滑表面和多个脊状表面在低速风洞中进行了表面流场测试。
Force and PIV local flow measurements were conducted in a low speed wind tunnel to study the effectiveness of serrated Gurney flap at different deflections.
用低速风洞测力试验和襟翼处绕流的PIV测量试验研究锯齿形格尼襟翼在不同偏角下的增升效益。
Based on the aerodynamic test of plane models under different positions, the variable Angle system used in low-speed wind tunnels is designed in this paper.
基于对飞机模型在不同姿态下进行的空气动力学测试,文中设计了用于低速风洞的变角度系统。
The low speed wind tunnel data acquiring and the closed loop controlling of wind velocity are realized by PLC and human machine interface and inverter from Fuji.
采用富士plc、人机界面与变频器实现了低速风洞数据采集和风速的闭环控制。
Experimental investigation on the control of dynamic stall type vortex flow was made in a low speed wind tunnel by using phase averaged pressure measurement technique.
本文对动失速型非定常分离涡结构的控制方法,在低速风洞中应用相平均测压技术进行了实验研究。
In order to study dynamic stall phenomena of an aircraft in portrait at a high Angle of attack, designing a measuring device of heave oscillation for a low speed wind tunnel.
为了研究飞行器在纵向大迎角状态下的动态失速现象,设计了一套用于低速风洞的升沉振动测量装置。
The difficult problem of the automatization of measurement and CDntrol in the large low speed wind tunnel is an automatization of large power system and large Angle control system.
大型低速风洞测控自动化的难点是大型动力系统的自动化和大型变角控制系统的自动化。
This paper gives a brief description of the whole process of the low-speed wind tunnel test for active flutter suppression of a two-dimensional wing model with trailing edge control surface.
本文简要地阐述了具有后缘控制面的二元机翼模型主动颤振抑制低速风洞试验的全过程。
The pressure field measurement results on the wing surface of airplane model by luminescence pressure sensor (LPS) technique and classic tap technique in high speed wind tunnel are presented.
介绍了国内首次在高速风洞中使用荧光压力传感器(LPS)技术对飞机模型机翼表面压力场测量的初步结果。
The pressure field measurement results on the wing surface of airplane model by luminescence pressure sensor (LPS) technique and classic tap technique in high speed wind tunnel are presented.
介绍了国内首次在高速风洞中使用荧光压力传感器(LPS)技术对飞机模型机翼表面压力场测量的初步结果。
应用推荐