研究结果表明，在任意可变斜轴涡流控制阀轴线与曲轴轴线夹角情况下，流通系数和无因次斜轴涡流比随着阀片开度的增大而逐渐减小。
The results show that at any Angle between axes of inclined swirl control valve and crank shift, flow coefficient and inclined swirl ratio increase gradually with increase of valve opening.
模型参数用非线性规划的最优化方法进行估计，得到了计算液相当量混合系数的无因次回归方程。
The model parameters are estimated by the optimal method of nonlinear programming, and the equivalent mixing coefficient is regressed in a dimensionless equation.
分析了影响伞板式降膜蒸发器传热的主要因素，得到了伞板降膜蒸发侧无因次传热系数的实验关联式；
The influence factors of the heat transfer performance and the formula of the heat transfer coefficient on the evaporation side in the umbrella-plate have been obtained.
论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
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.
在此基础上，分析无因次表观渗透率变化系数和边界条件对产量动态的影响。
On the basis, the influence of dimensionless apparent permeability variation factor to flow performance has been analyzed.
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.
气道布置角度的变化对流量系数影响不大，但对无因次涡流有很大影响。
The change of port layout Angle has little effect on the flow coefficient while playing an important role in the non-dimensional swirl.
气道布置角度的变化对流量系数影响不大，但对无因次涡流有很大影响。
The change of port layout Angle has little effect on the flow coefficient while playing an important role in the non-dimensional swirl.
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