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.
报道了用热线风速仪和流动可视化技术对带有横向扩展型孔的燃气轮机气膜冷却叶片紊流流场进行的研究。
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.
对叶片弦中区内部有、无冲击射流的气膜出流冷却方式中,冷气侧气膜孔局部换热特性进行了实验研究。
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.
根据航空发动机设计的实际需要,在大尺寸低速叶栅传热风洞中对涡轮叶片表面的气膜冷却进行了综合性实验研究。
The cooling technique of the blade inner passage plays a significant role in the design of blades for gas turbine.
叶片内部通道冷却技术在航空发动机叶片的设计中占有重要的位置。
This essay mainly specifies the impacts of the blade cooling technique on the turbine initial temperature.
着重叙述的是叶片的冷却技术对提高透平初温的影响。
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.
根据燃气轮机透平叶片冷却的实际情况,引入并完善叶片冷却的计算模型,并采用文献报道的数据验证计算模型的正确性。
The experimental results are valuable reference for aero-engine turbine blade cooling designers.
本文的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。
When cooling, the residual tensile stress in the Y direction in the middle of blade increased.
冷却时在叶片的中部y方向残余拉应力有较大增加。
High Performance Industrial Cooling Fan features a 30 "blade diameter."
高性能工业冷却风扇采用了30英寸直径的叶片。
A typical blade enclosure provides services such as power, cooling, networking, various interconnects, and management.
一个典型的刀锋伺服器外壳提供的服务包括电源、散热设备、网路、各种各样的连接和管理。
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.
本文用数值方法计算了无气膜冷却涡轮叶片上包括前驻点的整个型面上的换热系数。
Secondly, the effects of unsteady wakes on film cooling at the leading edge of blade were investigated by experiments and numerical simulations.
采用实验和数值计算相结合的方法,研究了非定常尾迹对叶片头部气膜冷却的影响。
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.
通过分析三菱M701F燃气轮机叶片冷却技术的冷却原理和运行方式,为燃气轮机的安全高效运行提供参考。
The cooling effect can also be obtained by providing the cold source components on the blade cover of the electric fan product.
在电风扇产品的叶片罩上设置冷源部件同样有降温效果。
In view of the whole process of composite cooling on a turbine blade, this paper is composed of three parts.
按照涡轮叶片复合冷却的全过程,本文由三部分组成。
The cutting device is provided with a cooling structure to cool the cutting blade, and the cooling effect is good so that the service life of the cutting blade is prolonged.
本分切装置自带有冷却结构,对刀片进行散热,冷却效果较好,延长了刀片的使用寿命。
Analysis of simulation results emphasizes on the complex 3d flow due to cooling near leading edge and blade cooling characteristics.
根据计算结果重点对前缘气膜冷却复杂三维流动以及整个叶片的气膜冷却特性进行分析。
The results show that the temperature reduces fast at first stage, because of the larger difference between blade and air. Then, the temperature reduction rate decreases slowerly, in cooling process.
结果表明:初始时刻叶片表面和环境温差较大,温降较快,随着冷却过程进行,温降速度变缓;
The result shows that the method of local heating-cooling can decrease the residual tensile stress peak in dangerous area of the blade.
结果表明,采用局部加热冷却的方法可以有效地减小叶片危险区域的残余拉应力峰值。
It is shown from the results that the security and efficiency for LP last stage blade of air-cooling units can be obtained through adopting special profile, controlling reaction and incidences.
分析结果表明,采用专用强化叶型、控制反动度、控制攻角等方法可以有效保证空冷机组变工况安全高效运行。
Oil mist cooling sytem provides high efficiency cooling, and cleans the sawdust on saw teeth for extending the service of saw blade.
机械采用有雾式冷却系统,提供锯带高效率冷却,并且可清除锯齿上的木屑,大副延长锯带寿命。
This machine is designed for human sensitive material with the structure of moving blade wheel water cooling, we are applying this technique for national patent.
该机为人敏性物料设计的动刀盘水冷却结构,正申请国家专利。
Compared to the channel with uniform section area, those with various section areas are much similar to the internal cooling structure of the turbine blade.
与等截面回转通道相比较,变截面通道更接近叶片内冷通道原型。
The numerical study was carried out on the trailing edge cooling of turbine blade using the circular pin fin that was arranged in cross type.
对一个有交叉排列圆形扰流柱的涡轮叶片尾缘冷却方案进行了数值研究。
In addition, the pressure and velocity in cooling fan flow field are analyzed and the relations between flow rate, rotation speed, blade number and aerodynamic noise of cooling fan are studied.
同时,对风扇流场的压力和速度进行分析;研究了风扇流量、风扇转速、扇叶数和气动噪声相互之间的关系。
The invention relates to an ultrasonic orthopedic surgery saw which comprises a motor swinging handle, an ultrasonic generator and a cooling saw blade system.
本发明是一种超声骨科手术锯。包括电机摆动手柄、超声发生器和冷却锯片系统。
Film cooling effectiveness of hole rows on leading edge of turbine blade has been studied experimentally. The model is a blunt body with a half cylinder leading edge with two flat side walls.
采用放大的半圆柱状表面模拟涡轮叶片前缘的形状,对叶片前缘单排及两排圆柱形孔的气膜冷却效率进行了测量。
The results show that the cooling effectiveness on concave side is better than suction side with laying film cooling holes in concave side at leading edges of turbine blade.
结果表明,叶片前缘压力面侧布置的气膜孔对叶片压力面有很好的冷却效果;
It is shown from the results that the security and efficiency for LP last stage blade of air-cooling units can be obtained through adopting special profile, co...
分析结果表明,采用专用强化叶型、控制反动度、控制攻角等方法可以有效保证空冷机组变工况安全高效运行。
It is shown from the results that the security and efficiency for LP last stage blade of air-cooling units can be obtained through adopting special profile, co...
分析结果表明,采用专用强化叶型、控制反动度、控制攻角等方法可以有效保证空冷机组变工况安全高效运行。
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