• 本文实验结果对于航空发动机涡轮叶片冷却结构设计具有参考价值

    The experimental results are valuable reference for aero-engine turbine blade cooling designers.

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  • 通过分析三菱M701F燃气轮机叶片冷却技术冷却原理运行方式,为燃气轮机的安全高效运行提供参考。

    This essay analyzes the cooling principle and the mode of operation of the M701F gas turbine blade cooling technology to verify its efficiency in enhancing the safety of the gas turbine.

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  • 根据燃气轮机透平叶片冷却实际情况引入完善叶片冷却计算模型,并采用文献报道数据验证计算模型正确性

    Based on the gas turbine blade's practical cooling condition, a blade cooling computation model is introduced and perfected, and its validity is verified using reported data.

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  • 本文以航空发动机涡轮叶片冷却为应用背景,对一种基于彻体力场下驱动理论新型冷却技术展开了首次研究,并从机理上验证了此新型冷却技术的强化冷却效果。

    In this thesis, a new cooling technique, which is based on the theory of thermally driven, was studied at the background of turbine blade's cooling design in aero-engine.

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  • 如果冷凝器叶片污垢堵塞或者叶片弯曲这会影响到冷凝器冷却制冷剂效率

    If the condenser fins are clogged with dirt or bent over, it will affect the ability of the condenser to cool the refrigerant.

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  • 通风盘式制动器在两侧叶片空气作用下流动使制动冷却

    Vented disc brakes have a set of vanes, between the two sides of the disc, that pumps air through the disc to provide cooling.

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  • 报道了用热线风速仪流动可视化技术带有横向扩展型燃气轮机气冷却叶片紊流进行研究

    Hot wire measurements and flow visualization are presented for studying the turbulent flow field over a flat gas turbine film cooling blade with lateral expanded holes.

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  • 为涡轮叶片冷却结构设计提供依据。

    This study can be useful in turbine blade cooling design.

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  • 根据航空发动机设计实际需要尺寸低速叶传热风洞中对涡轮叶片表面冷却进行了综合性实验研究。

    Film cooling of the surface of a gas turbine blade was studied in a large-scale low-speed opening wind tunnel according to actual requirement of the design of aero-engine.

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  • 叶片内部通道冷却技术航空发动机叶片设计占有重要位置

    The cooling technique of the blade inner passage plays a significant role in the design of blades for gas turbine.

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  • 以带冷却航空燃气涡轮发动机涡轮叶片研究背景,引入等效概念对密布小孔结构进行了详细的应力-应变分析

    An equivalent no-perforated plate concept is introduced in the stress-strain analysis for densely-distributed film cooling holes on turbine blades of gas turbine engines.

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  • 采用实验数值计算相结合方法,研究了非定常尾迹叶片头部气膜冷却影响

    Secondly, the effects of unsteady wakes on film cooling at the leading edge of blade were investigated by experiments and numerical simulations.

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  • 着重叙述叶片冷却技术提高透平影响

    This essay mainly specifies the impacts of the blade cooling technique on the turbine initial temperature.

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  • 叶片中区内部冲击射流出流冷却方式中,冷气气膜局部特性进行了实验研究

    Experimental investigation of the turbine blade local heat transfer characteristics at the inner side of the mid-chord region near film holes was conducted, with and without impingement cooling.

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  • 结果表明,采用局部加热冷却方法可以有效地减小叶片危险区域残余应力峰值

    The result shows that the method of local heating-cooling can decrease the residual tensile stress peak in dangerous area of the blade.

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  • 实验选取航空发动机涡轮叶片中段内部冷却通道为研究对象,对不同间距横肋截面U通道特性进行了研究。

    The experiment has studied the heat transfer characteristic inside U shaped variable cross-section channels with different rib pitches, The channel is the middle part of a gas turbine blade.

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  • 冷却时在叶片中部y方向残余应力较大增加

    When cooling, the residual tensile stress in the Y direction in the middle of blade increased.

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  • 本文用数值方法计算了无气冷却涡轮叶片包括前驻点整个型面上的换热系数

    Several problems involved in the prediction of heat transfer coefficient on the turbine blade profiles without film cooling are studied in this paper for the purpose of improving the accuracy.

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  • 冷却叶片16原因周围空气冷却其中有益的效果加以说明

    The cooling of the blade 16 causes ambient wind air to be cooled which has useful effects as will be described.

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  • 涡轮叶片之间冷却空气缝隙堵塞主要是因为存在高比表面积粒子

    Clogging up of the cooling air slits in the turbine blades is primarily caused by ultrafine particles with a high specific surface area.

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  • 高性能工业冷却风扇采用30英寸直径叶片

    High Performance Industrial Cooling Fan features a 30 "blade diameter."

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  • 确保堆芯充分冷却防止汽轮机叶片损坏,将SG水位控制合理的位置十分重要的。

    Properly controlling the water level of SG is very important in order to secure the sufficient cooling source of nuclear reactor and prevent the damage of turbine blades.

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  • 本文涡轮叶片缘中具有结构扰冷却通道传热流动阻力特性进行了实验研究,重点研究了雷诺数、扰流柱的束腰比以及不同组合的影响。

    The heat transfer and characteristics of the fluid flow in the duct with waist-shaped pin - fin arrays for the trailing edge of the turbine blade were experimentally investigated.

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  • 按照涡轮叶片复合冷却全过程本文部分组成

    In view of the whole process of composite cooling on a turbine blade, this paper is composed of three parts.

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  • 涡轮叶片内部冷却特性直接影响叶片壁面温度分布,必须对展开详细研究。

    The temperature distribution of the nozzle guide vanes are affected greatly by the flow and heat transfer of the internal cooling passages.

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  • 实验涡轮叶片采用排气冷却方案膜孔为圆柱形

    The surface of a gas turbine blade was cooled by four rows of cylindrical holes in the experiment.

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  • 着重介绍了气冷却、涡轮叶片冷却技术和气膜孔流量系数研究进展。

    Particular emphasis is given to the development of film cooling, internal cooling technologies and film hole discharge coefficients.

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  • 着重介绍了气冷却、涡轮叶片冷却技术和气膜孔流量系数研究进展。

    Particular emphasis is given to the development of film cooling, internal cooling technologies and film hole discharge coefficients.

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