These thrust losses may be very large if the inlet flow distortion is in the order of 15 to 20 percent.
若进口流场的畸度在15%- 20%范围内的话,则推力损失就可能十分巨大。
Temperature distortion on inlet flow of engine is more important than pressure distortion for engine stability.
进口流场的温度畸变对军用飞机发动机稳定性具有比压力畸变更大的影响。
But the regions of local flow separation and distortion factor of the flow at the exit section are relevant closely to the yaw angle.
但是进气道内气流分离的区域和出口截面流场畸变指数却与侧滑角的大小密切相关。
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。
Test results show lower exit average total pressure recovery, larger circumferential total pressure distortion and stronger and more irregular secondary flow.
试验表明其出口平均总压恢复系数较低,周向总压畸变指数较大,旋流较强且很不规则。
Finally, if the flow of labor forces is restricted, the behavioral distortion of transition-type firms will be intensified.
如果对劳动力的流动存在着一定的限制,转型企业的行为扭曲会被强化。
The effect of small radial stagnation pressure distortion of inlet flow on the stall flutter has been investigated experimentally.
对进口流场畸变失速颤振的影响进行了实验研究。
It's necessary to recognize the different vortices, when aero-optical distortion caused by hypersonic flow is studied using vortex structure as the turbulence model.
利用涡结构对光波通过高速流场的光学传输特性进行建模,就必须进行涡结构的识别。
This paper analyzes on the causes of the distortion of the cash flow information caused by statement compiling factors and statement analyzing factors.
分析了报表编制因素和报表分析因素造成现金流量信息失真的原因。
Furthermore, the time history and spectrum of the average flow velocity through an orifice are computed, from which the nonlinear distortion of flow velocity is analyzed.
进而计算了圆孔中的声质点速度,并分析了孔中速度的畸变情况、最后给出了圆孔的非线性声阻和声抗的理论值。
The actualization of optimal power flow control of solar cell power system and the compensation of reactive power, harmonic distortion are discussed.
文中还讨论了太阳电池发电系统最佳功率流控制的实现方法以及补偿无功功率和谐波失真等问题。
One of the greatest contributors to non-uniform hardness, increased thermal stresses, cracking and distortion is non-uniform fluid flow throughout the quench zone in production quench tanks.
造成淬火后工件硬度不均匀、热应力增加、畸变和开裂,主要是因为淬火槽内整个淬火区的液流不均匀。
For mild channel, it is shown that dynamic term and resistance term deviations caused by the distortion influence model water flow movement more seriously than inertia term do.
分析表明,对于平原河道,动力项和阻力项偏离是主要的,惯性项的偏离对模型水流运动影响较小。
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。
The result from steady state power flow calculation and stability analysis before and after the simplification shows that the distortion are fairly little, and it satisfies the request of simulation.
简化前后系统的稳定潮流计算及稳定性分析表明,简化前后系统的失真度很小,满足了实际仿真要求。
There's a good agreement between the plastic flow modelling of FEM and the experimental grid distortion patterns.
塑性流动模型与网格实验结果在趋势上得到较好的吻合。
An arithmetic for remote parallel compensation, based on symmetrical components harmonic power flow, is given to solve the problem of voltage distortion of sense loads.
介绍了对称分量下解耦谐波潮流计算,提出谐波异地并联补偿的算法,并给出计算实例。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明,作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
The flow to open design is adopted, and the medium flow direction tends to the opening direction of the valve with good controllability of small opening and low flow characteristic distortion.
采用流开式设计,介质趋向于阀门开启的方向,小开度可控性好,流量特性畸变小。
An unsteady 1-d flow and sediment model is used as a tool to study the scale effect caused by time distortion in physical models of sediment transport.
利用一维不恒定水流泥沙数学模型,研究泥沙实体模型试验的时间变态问题。
An unsteady 1-d flow and sediment model is used as a tool to study the scale effect caused by time distortion in physical models of sediment transport.
利用一维不恒定水流泥沙数学模型,研究泥沙实体模型试验的时间变态问题。
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