• 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。

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  • The two different categories are multi-blade wind wheel and high speed wind wheel.

    两种不同类别是指多翼风轮和高速风轮。

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  • 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。

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  • 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。

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  • The effects of Gurney flap on double delta wing aerodynamic performance in low speed wind-tunnel tests;

    双三角翼气动布局比三角翼飞机具有更好的大攻角空气动力特性。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • 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。

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  • The tests in NH-2 low speed wind tunnel at Nanjing University of Aeronautics and Astronautics showed good agreement between computation and test values.

    与在南航NH-2低速风洞中的实验结果比较表明,计算方法和优化设计是成功的。

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  • 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。

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  • 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。

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  • With the rate of the variable speed wind turbines connected to the grid increasing, it will bring adverse influence on frequency control of the power system.

    随着变速风电机组容量在电网中的所占比例的不断提高,其接入电网将给电力系统的频率控制带来不利影响。

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  • 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。

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  • The simulation model for the grid connection of offshore wind farm via VSC-HVDC based on the fixed pitch constant speed wind power generation system is established.

    建立了基于定桨距恒速风力发电机系统的海上风电场直流并网仿真模型,并对风电场几种典型运行情况的并网性能进行了仿真分析。

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  • 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。

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  • Low-speed wind tunnel opening of the main components of gas-collecting devices, cellular devices, tangled net, fairing and cascade-type deflector, such as anti-twisting.

    开口低速风洞的主要组成部分包括集气装置、蜂窝器、紊流网、整流罩和叶栅型反扭导流片等。

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  • 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。

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  • 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。

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  • Based on traditional support system in wind tunnel testing, the combination support system measuring support interference on high angles of attack model in low speed wind tunnel was designed.

    基于传统的风洞试验支撑设备,设计了用于低速风洞测量大攻角模型支架干扰的组合支撑设备。

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