A method for predicting the off design performance of an axial flow compressor is presented.
本文介绍一种轴流压气机非设计性能的预测方法。
Through the axial-flow compressor calculation, it is showed that the coincidence between calculation and mea…
通过轴流压气机的算例表明,计算与实测结果吻合程度比变形激盘法大有改善。
The effect of bleeding on the performance of a two-stage axial-flow compressor was performed with the help of numerical method.
采用数值模拟的方法,研究了引气对某双级轴流压气机气动性能的影响。
With the deepening of the research on axial-flow compressor flow, the nonuniform clearance becomes the problem should be considered.
随着对轴流压气机流动研究的不断深入,叶尖周向非均匀间隙成为了需要考虑的问题。
On the basis of an elementary cascade method a calculation model for the off-design performance of an axial-flow compressor has been set up.
基于基元叶栅法,建立了轴流式压气机的变工况计算模型,并采用变比热公式计算空气的热力参数;
The 1 -D and 3 -D performance prediction shows that the feasibility of applying integrative design technology to design mixed-flow compressor.
研究了适用于斜流式压缩机的一体化设计技术,并基于一维设计方法简述了单级斜流式压缩机的设计。
This article investigates the nonlinear dynamic characteristics and stability of an axial flow compressor with tip clearance and ball bearings.
研究叶尖气隙和滚动轴承共同作用下轴流压缩机的非线性动力特性及稳定性。
With the aid of CFD software NUMEC a, computational simulating is performed on an Axial-flow compressor for the study of casing treatment mechanism.
本文以某亚音轴流压气机为原型,主要借助数值模拟手段展开了对机匣处理机理的研究。
Experiment results indicate that the mechanical and aerodynamical performances on the new two-stage axial-flow compressor have met the design requirements.
运转试验及性能考核表明,双级轴流压气机实验台在机械性能和气动性能两个方面均达到了预定的设计要求。
A new three-dimensional aerodynamic stability model for an axial flow compressor to study the effects of radial disturbance on the rotating stall is presented.
给出了考虑压气机径向扰动对失速影响的轴流压气机三维气动稳定性模型。
In this paper, the effects of solidity of rotor-stator cascades on axial-flow compressor performance are investigated with steady and unsteady flow calculation.
采用定常流和非定常流计算方法研究了各种动静叶稠度组合对轴流压缩机性能的影响。
A stage - by - stage simulation method is introduced for analysis of inlet total pressure distortion effect on the multistage axial flow compressor characteristics.
介绍了1种分析进口总压畸变对多级轴流压气机特性影响的逐级模拟方法。
Finally, the total loss distribution along the blade span of the axial flow compressor is estimated according to an improved end wall loss model and a shock loss model.
再应用改进了的端壁损失和激波损失模型,最终算出轴流压气机设计点损失沿叶高的分布规律。
The experimental investigation on aeroelastic instability and dynamic response of the BF-1 rotors by a transonic axial-flow compressor test rig are presented in this paper.
本文介绍了在跨音压气机试验台上对BF - 1系列转子开展气动弹性失稳和动态响应的实验研究工作。
When applied to a certain axial flow compressor, the criterion is proved to be precise, reliable and rapid enough to be used in the early detection of rotating stall signal.
对某轴流式压气机压力测量信号的分析结果表明,该判据是准确、可靠和快速的,可以用于旋转失速信号的早期检测。
Influence of the wake impact effect on the flow field and its average performance in a low speed axial-flow compressor was investigated by using external acoustic excitations.
通过采用外部声激励的方式,在低速轴流压气机内研究非定常尾流撞击效应对压气机流场结构以及时均气动性能的影响。
The hub treatment with a circumferential groove was tested on the stator hub and compared with the casing treatment over the rotor tip for a single stage axial flow compressor.
在单级轴流压气机上,用周向槽式处理机匣在静子内径处进行轮毂处理,与转子尖部机匣处理作类比。
The characteristics of static pressure changing at stage exits of a multi-stage axial flow compressor relative to the design points at several typical operating modes are investigated.
对多级轴流式压气机在几个典型工况下各级静压相对于设计点静压的变化特性进行了研究。
The present article describes the pilot stand of a full scale ten-stage subsonic axial-flow compressor and presents the test results of the rotating stall and surge obtained therefrom.
本文介绍了一个全尺寸十级亚音速轴流压气机试验台,并给出了该实物压气机旋转失速和喘振的试验结果。
In this paper, virtual prototype technology of turbo-machinery, multistage axial flow compressor numerical simulation, and integrated design of turbo-machinery and engine have been introduced.
介绍了叶轮机虚拟样机技术、多级轴流压气机数值仿真和叶轮机与发动机一体化设计。
Centrifugal FLOW compressor, a type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.
离心式压气机,压气机的一种。当进气到达叶轮中心时,被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢,压力增加。
This paper details the experimental methods and results using the airfoil sensors to measure total pressure and total temperature distributions behind the rotors in a multistage axial-flow compressor.
较详细地介绍了某多级压气机修改前后,利用叶型受感部测取各级转子出口总压、总温分布的试验方法和结果。
Centrifugal FLOW compressor, a type of compressor in which air is taken into the center of the impeller and is slung outward centrifugally into a diffuser where it is slowed and pressure is increased.
空气被吸入叶轮中心,被叶轮离心抛出进人扩散器。在扩散器中气体流速减慢,压力增加。
Equipped with heat flow bypass valve of freezing drying the coolant compressor is not frequently open and shut down.
配备有热气流旁通阀的冷冻式干燥器其冷冻剂压缩机不会频繁地开启和停机。
Buffer Another buffer can be slowed down and the air compressor system pressure fluctuations, for air drier and other equipment with more stable pressure and air flow.
另外缓冲器可以减缓压缩机与空气系统的压力波动,为空气干燥器和其他设备提供更为稳定的压力和空气流量。
But because it now oil and chemical use screw compressor for flow and pressure from the shaft power, high demands, at present basically also rely on imports.
但由于目前石油和化工用螺杆式压缩机对流量、排出压力、轴功率等要求较高,目前基本上还依赖进口。
It consists of five basic parts, the compressor, the condenser, the evaporator, the receiver, and the refrigerant flow control valve or the thermostatic expansion valve.
它由压缩机、冷凝器、蒸发器、制冷剂流量控制阀和或恒温膨胀阀五个基本配件组成。
Therefore, double screw compressor and worm compressor compared, in the same speed of the units inside less number of exhaust air ripple, big air flow noise.
因此,双螺杆压缩机与蜗杆压缩机相比,在相同转速下单位内排气次数少,气流脉动大,气流噪声大。
Air compressor noise is the main noise source. From the Angle of air flow noise, can be briefly analyzes the following.
气流噪音是空压机的主要噪声源。从气流噪声的角度,可以简要分析如下。
The influence of tip clearance on overall performance and detailed flow structure in tip region of an axial compressor rotor was investigated.
研究了顶部间隙对压气机转子总性能及内部流场的影响。
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