涡流

Author analysis the theory of the refrigerating of vortex tube, and give the idea of industry cooling using vortex tube, just because abundant compressed air can be provided in industrialization manufacture.

正因为如此涡流管在科学研究和工业的很多部门具有广阔的实际应用前景。

Furthermore, the model was applied to the simulation of the spontaneous condensation in two-phase vortex tube, and the effect of slenderness ratio, diffuser, pressure ratio and cold mass fraction on separation performance has been predicted.

应用该模型对含湿气体在涡流管内的自发凝结过程进行了模拟。通过分析凝结参数的变化，预测了基本结构参数长径比、阻涡器与操作参数压比、冷流率对装置分离性能的影响。

Aerodynamic performance calculation based finite blade vortex theory and aerodynamic optimization design based genetic algorithms.

基于有限片桨叶涡流理论的气动性能计算和采用遗传优化算法的优化设计。

The research result fill the blank spaces on the helical vortex theory, and also builds a bridge between the theoretic study and engineering application.

对工程中其它螺旋涡流场的解析计算，同样可以利用本文的理论结果和分析思路。

The nonuniform distribution of induced velocity on the rotor disk derived from the generalized vortex theory is taken into account.

诱导速度在桨盘处的分布采用广义涡流理论所导的公式。离散突风模型为规范所要求的正弦平方型。

According to the design procedure of wind turbine blades, computing blade parameters based on the vortex theory, a kind of new program design method is offered to display the section and 3D model of wind turbine blades.

按照叶片设计的实际过程，在涡流理论设计叶片参数的基础上，提出了一种能在计算机上立体显示叶片截面及结构的设计方法。

In this paper an attempt is made to derive a practical formula for the induced velocity distribution in the lifting rotor disk plane on the basis of the generalized vortex theory.

本文试图根据涡流理论导出的精确公式，通过简化，获得适于工程计算的近似公式。

Based on the experiment, the flow variation and impact on release works is studied. The vortex theory is adopted to study the side shrinkage angle and optimum step of the bulkhead gate to improve the overflowing condition.

通过试验分析研究了闸后水舌的流态变化规律及其对泄水建筑物的影响；采用涡流理论分析研究闸后水舌侧收缩角的计算方法；根据侧收缩角计算出闸门槽的最优错距，从而改善闸孔出流的水流条件。

A conclusion was drawn that Momentum theory, Vortex theory and Generalized dynamic wake were practicable to get the general design parameters and loads, loads cycles of the rotor were the main vibration excitation, and good dynamic compatibility between rotor and tower is propitious to the well function of the wind turbine unit.

指出动量理论、涡流理论及自由尾涡理论模型是确定风电机组总体设计参数和载荷的依据；叶轮的周期性载荷是机组振动的主要激励，叶轮和塔架良好的动力学相容性有利于机组可靠运行。

Synthesizing the degrees of freedom of both rotor and helicopter body, and involving time derivatives of flap motion coefficient and induced velocity model derived from vortex theory, the governing equations of helicopter maneuvering flight are derived properly, with combination of kinematic equations and dynamic equations.

集旋翼和机体之自由度并计及挥舞运动系数对时间的导数和涡流理论的诱速模型，把运动学方程和动力学方程组合起来，从而导出了机动飞行的控制方程。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。