The result shows that the boundary layer radial vortex becomes an important factor for causing compressor flow instability.
结果表明,附面层径向涡是该压气机转子流动失稳的一个很重要的原因。
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。
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。
The system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型,以及压缩机和膨胀阀的稳态流动模型。
Test results have shown that the test technology is effective and suitable for test of unsteady flow frequency spectrum performance of axial compressor.
试验结果表明,该试验技术对进行轴流压气机叶片排流场非定常频谱特性试验是行之有效的。
Because the traditional design method of axial flow air compressor was not perfect, it made the assembly work at low efficiency.
由于轴流压气机传统的设计方法不完善,使得基于此种方法设计的机组效率低下。
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。
The dynamic distortion data of a engine compressor inlet flow are studied with inlet shield.
对某型发动机压气机进口档板动态畸变流场数据进行了研究。
An appropriate front lean Angle increases the range of a centrifugal compressor, improves the flow and enhances the isentropic efficiency.
合适的前倾角有利于扩大压气机工作范围,能够改善流道内的流动,提高等熵效率。
The paper presents some research works on the internal flow shock wave measurement of transonic compressor by PIV technique.
在跨音压气机试验台上进行了用PIV技术测量内流激波结构的试验研究。
Therefore, optional air compressor is the step: make sure the working pressure, then set corresponding volume flow, and finally the power supply capacity.
因此,选配空压机的步骤是:先确定工作压力,再定相应容积流量,最后是供电容量。
The paper analysis control requires of the axial flow compressor.
分析了轴流压缩机工况的控制要求和控制方案。
Numerical calculations were performed on a two-stage transonic fan and a five-stage compressor. The two-stage fan flow predictions show a good agreement with experimental data.
对某双级跨音速风扇及五级压气机流场进行了计算,双级风扇各状态的计算结果与实验数据吻合较好。
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。
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 pressure dynamic proceedings of three cross-section of the stator surface had been investigated to understand the flow structure in a compressor.
并采取在静子叶片表面埋入微型压力传感器的方法,分析了压气机流场的动态压力特性。
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。
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。
The new design compressor improves the through-flow capability, and reduces the size of diffuser.
新设计压气机提高了通流能力,并且减小了扩压器尺寸。
Several calculating methods for determining the air-flow rate, the exhaust temperature, the compressor outlet pressure and the turbine inlet pressure are compared.
对四冲程柴油机增压系统的空气流量,排气温度、压气机出口压力和涡轮进口压力的若干种计算方法进行了分析。
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。
The principle of compressor surging and the influence of tangent air admission to a compressor for enlarging its flow range are studied in this paper.
介绍了压气机喘振的机理,分析了可调切向进气对压气机流量范围的影响,得出了最佳的切向进气在压气机进口的速度分布。
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。
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。
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