• 就是说缺乏横向稳定器所以研究人员可以测试理论这些成分音速速度稳定问题关键因素增长0.9马赫

    That is, the tail section lacked horizontal stabilizers, so researchers could test a theory that those components were a key factor in stability problems at transonic speeds up to about Mach 0.9.

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  • 本文给出音速流动计算三维机翼非定常载荷分布函数计算结果

    A kernel function method and the results of computing unsteady load on three-dimensional wings in transonic flow are presented in this paper.

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  • 本文运用函数有限元方法数值模拟绕翼型音速有旋流动

    The variation finite element method (FEM) using the pseudo-potential function was presented for the simulation of transonic rotational flows.

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  • 本文提出了求解音速欧拉方程一种隐式时间推进

    An implicit time-marching method is presented for solving the transonic Euler equations.

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  • 文中提出了压气机栅在音速音速工作条件下修正气体压缩性影响新的图线方法

    In this paper, a new curvilinear method for correcting the gaseous compressible effect under higher subsonic and transonic intake condition upstream of the cascade is. presented.

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  • 本文采用迭代求解的方法计算弹性机翼音速压强分布

    An iteration method is used for computing the transonic pressure distribution on a flexible wing.

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  • 论证方法有效性给出几个音速涡轮叶栅计算结果

    Several computed results of transonic turbine cascades are presented to illustrate the method's capabilities.

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  • 分别可压缩叶栅场的音速跨音速流动进行了数值模拟计算。

    Some cases of compressible flow as well as incompressible flow are presented.

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  • 提出种可解决音速、亚音速音速冲击波共存流场计算方法,即变形流体网格步法。

    The paper presents a new computational method named two steps various shape FLIC method, applied for the existence of the supersonic , sub critical sonic , transonic, shock wave.

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  • 本文叙述音速风洞中模拟跨音速透平叶片流动的试验结果。分析了跨音速透平叶片尾缘流动的机理

    The paper describes experimental flow study results of trailing edges of transonic turbine blades in a closed transonic wind tunnel with discussing its mechanism.

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  • 给出一种新的音速柔性自适应风洞实验迭代方案计算方法实验验证结果。

    In this paper, a new iterative testing strategy is described for two dimensional model testing in transonic flexible adaptive walled wind tunnel and wall adjustment computing method.

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  • 本文采用压强极小积分有限元计算了NACA 0012型的跨音速。出发方程全速位方程。

    The transonic flow field around NACA 0012 airfoil is calculated by finite element method from pressure minimum integration, full potential equation being used.

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  • 采用数值模拟求解NS方程方法计算分析了外形音速大迎湍流流动

    The transonic turbulent flow around a blunt nosed and short body at large angle of attack was calculated and analysed by using numerical simulation method to solve the full N S equations.

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  • 通过数值求解定常跨音速流的无扰动方程根据实心多孔翼型的边界条件获得了相应压力分布

    By numerically solving the inviscid, small disturbance equation in steady transonic regime, with boundary conditions on solid or porous airfoils, the corresponding pressure distribution is obtained.

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  • 如果合适发动机的话,这种结构可以提供良好持续性音速巡航能力,以及良好的跨音速音速机动能力

    This configuration will provide good sustained supersonic cruise performance with a suitable engine type, and good manoeuvre performance in transonic and supersonic regimes.

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  • 能量损失系数音速透平设计实现提高跨音速透平性能关键问题之一

    The design and realization of a transonic turbine cascade with low energy loss is one of the crucial problems which should be solved for designing good transonic turbines.

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  • 使得NASA可以大型运输航天飞机创造运行条件小时1,440公里跨音速飞行

    It enables NASA to create the operating conditions for large transport aircraft flying at transonic speeds of up to 1,440 kilometers per hour.

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  • 然后采用IFFT算法自适应数值积分算法计算积分,得到音速跨音速和超音速移动荷载作用下动力响应的数值结果。

    Coupled IFFT algorithm and adaptive quadrature algorithm was employed to compute double integrals in the analytical solutions. All the subsonic, transonic and supersonic cases were computed.

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  • 运用平台NASA音速透平动静叶片透平静叶叶型线进行多目标气动数值优化研究。

    Use this platform to optimize the blades of a NASA transonic single stage turbine, the bended stacking line and the profile of this transonic stator.

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  • 本文研究了机翼音速颤振计算方法

    Computation of wing flutter for unsteady transonic flows in the frequency domain is studied in this thesis.

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  • 本文采用位势方程音速采用虚拟气体假设给出跨音速激波翼型设计方法

    In this paper, a method for the transonic shock-free airfoil design, based on the full potential equation, using "fictitious gas" assumption, is presented.

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  • 课题以压气机音速研究平台,提高叶栅静压增压减少叶栅流动损失为目标。

    This thesis investigated transonic cascade of a certain compressor in order to increase the static pressure ratio of the cascade and reduce the coefficient of the cascade losses.

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  • 本文给出了基于有限面积跨音速透平叶栅速度问题设计方法

    This paper deals with the inverse design problem of transonic turbine cascade in the hodograph plane by the finite area method.

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  • 进行多级跨音速风扇粘性流动数值模拟研究

    Numerical simulation of viscous flows through multistage transonic fans was carried out.

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  • 本文介绍机翼定常跨音速一种数值计算方法

    A numerical method for calculating steady inviscid transonic flows over wings is introduced in this paper.

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  • 结论改善跨音速风洞设计模型试验有用的

    The conclusions believed to be useful to improve the design of transonic wind tunnel and model tests.

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  • 模拟方法对跨音速方案设计定性分析具有正确直观简便经济优点

    The shallow water through analogy has advantages of exactness, visualization, simplicity and economy valuable in the concept design and qualitative analysis stage of transonic turbine cascades.

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  • 跨音速叶栅计算无粘时间相关计算程序基础采用无粘-边界层迭代而得。

    An inviscid-viscous interaction method based on the inviscid time marching computer code has been employed to calculate the transonic flow field of two dimensional cascade.

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  • 计算得到NASA37号低展弦音速流压气机70%设计转速下的工况性能曲线,重点分析了其中一些典型工况下的内部

    The overall performance for NASA 37 low-aspect ratio compressor stage at 70% design rotating speed was obtained and the internal flow fields at typical operating conditions were emphatically analyzed.

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  • 计算得到NASA37号低展弦音速流压气机70%设计转速下的工况性能曲线,重点分析了其中一些典型工况下的内部

    The overall performance for NASA 37 low-aspect ratio compressor stage at 70% design rotating speed was obtained and the internal flow fields at typical operating conditions were emphatically analyzed.

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