利用级数展开和线性叠加原理,本文给出了一种求取弹性坝面动水压力影响系数矩阵的数值算法。
A method is set forth to calculate the hydrodynamic pressure influence matrix of elastic dam using series development and linear superposition theorem in this paper.
组合影响系数表示发动机抗组合畸变的能力以及压力畸变和温度畸变之间的相互影响。
Combined effective coefficient shows engine's capability to resist the combined distortion and the interaction between pressure and temperature distortions.
适当范围内对静止土压力系数进行的不同取值,对挡墙的水平位移的影响可达20%左右。
When the coefficient of soil pressure at-rest varies in proper range, the influence on the horizontal displacement of the excavation can reach 20%.
在不考虑井筒储集系数和表皮系数影响的情况下,无量纲平均地层拟压力与无量纲生产时间成正比。
The dimensionless average formation pseudo pressure is directly proportional to the dimensionless producing time if the influence of wellbore storage coefficient and skin factor is neglected.
着重分析影响精密分度装置寿命的接触表面压力,基本动载荷,温度系数等因素。
This article mainly analyses the factors that affect the precise indexer life, touching surface pressure, basic motion load and temperature factor for example.
考虑降雨对边坡稳定的不利影响,分析了孔隙水压力作用下堆积体粘聚力折减后堆积体的安全系数的变化。
Considering adverse effect of rainfall on slope's stability, it analyses the change of safe coefficient after cohesive strength of talus slides reducing under the effect of pore water pressure.
结果表明:启动压力梯度、层间储容比、地层系数比的变化对段塞流试井解释结果有较大的影响。
The result shows that the change of gradient of kick-off pressure, the storage ratio and the ratio of formation coefficients have relatively big effect on the slug flow well test result.
对多喷嘴引射混合式加热器的加热性能进行了试验研究,分析了工作流体压力和引射孔结构对引射混合式加热器的出口温度、引射系数以及加热效率的影响。
The influence of the working fluid pressure and the structure of ejecting nozzle on the outlet temperature, ejecting coefficient and heating efficiency of the ejecting-mixing heater were analyzed.
研究了某些无机铅盐和氧化铝对燃速压力指数及温度敏感系数的影响。
Effect of some inorganic lead salt and aluminium oxide on burning rate pressure exponent and temperature sensitive coefficient of polyurethane composite solid propellant have been investigated.
仿真结果表明,系统等效转动惯量和等效阻尼系数的变化以及负载压力和加载转矩的波动干扰,对系统控制性能的影响较大。
Simulation results reveal that equivalent rotational inertia, damping factor, fluctuating loading pressure and loading torque has comparatively large influence on control properties.
喷嘴流量系数受喷嘴孔径影响,并与雾化压力有微弱关系。
The flow coefficient has no relation to pressure, but the nozzle hole diameter.
在此基础上,分析无因次表观渗透率变化系数和流度比对压力动态的影响。
On the basis, the influence of dimensionless apparent permeability variation factor and mobility ratio to pressure behavior has been analyzed.
并利用自行组装的测试设备研究了柔性石墨板密度、厚度以及空气压力差对相对透气系数的影响。
We also assemble a set of permeability testing equipment, by which we study on the effect of density, thickness and air pressure on the relative permeability.
研究了中空纤维膜组件在反冲操作时膜管内压降规律,考察了膜渗透系数、膜长度及膜内径对膜内压力分布及透量因子的影响。
The pressure distribution in hollow fiber membrane model is given and the effects of membrane permeability, length and diameter on pressure distribution and flux factor of the model are studied.
同时指出流量脉动系数最大的影响因素是油液的弹性模量和油泵的工作压力,其次是柱塞数。
Maximum influencing factors of flow fluctuation coefficient are the elastic modulus of the oil and the working pressure of the pumps, the piston number being a minor factor.
计算分析了注浆压力差随稠度系数、流变参数、裂隙高度的变化情况以及裂隙高度对最大扩散半径的影响。
It was shown that the grouting pressure difference was related to the rheological parameters, consistency coefficient and gap width of grouting. The penetration radius was also affected by gap width.
讨论了溶洞和裂缝无因次渗透率模数、介质间窜流、弹性储容比、外边界条件及表皮系数对压力响应的影响。
Effects of permeability modulus, interporosity flow parameter, storativity-ratio, outer-boundary and skin parameter to the pressure response are discussed.
讨论了无因次渗透率模数和表皮系数对压力响应的影响。
The influences of dimensionless permeability modulus and skin factor on pressure response are discussed.
压力损失系数受雷诺数的影响较小,基本是随着雷诺数的增大而减小的;
The pressure loss coefficient is affect by the Re number smaller, basic is decreased with increasing Re.
介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。
In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.
正弦型来流使压力系数产生波动,程度受正弦周期、振幅影响;
The fluctuant is different with the influence of period and swing of the sine wave.
本文作者采用等效渗透系数方法模拟边缘效应,得到了其影响下的树脂流动前峰曲线和压力场。
In this paper, simulations are carried out with the approach of equivalent permeability, and the resin flow front curve and pressure fields with flow channels are obtained.
以精细线路的线宽和蚀刻系数作为评价标准,找出最佳参数,并分析了蚀刻压力对精细线路的影响机理。
We use the width of the fine lines and etching coefficient as estimation standards to find the perfect parameters as well as analyze the theory of etching pressure influence in producing fine lines.
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
湿态环境下平均动摩擦系数降低,但随着压力的增大,这种影响减小。
The humidity results in low friction coefficient, but the braking presure will decrease the effect.
研究了各种压力条件下成份比和CH_3I离解度对增益系数的影响。
The influences of pressure, composition and the dissociation degree of CH3I on gain are investigated in detail.
研究了各种压力条件下成份比和CH_3I离解度对增益系数的影响。
The influences of pressure, composition and the dissociation degree of CH3I on gain are investigated in detail.
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