导管螺旋桨 meaning in English
ducted propeller
shrouded screw
Examples
- In this thesis , the steady performance of ducted propeller in uniform flow is predicted by surface panel method
本文应用基于扰动速度势的低阶面元法，拟计算导管螺旋桨在均匀流场中的定常水动力性能。 - The comparision of the computation result and the experimental data shows that prediction of ka series propeller by surface panel method is feasible
本文尝试建立一种面元法预报导管螺旋桨水动力性能的方法，为设计导管螺旋桨和研究泵喷射推进装置建立基础。 - For getting the runner characteristics more correctly , researching the representation of runner characteristics of the kaplan turbine in this paper , and using this method of modifying runner characteristics to calculate the transient of hydraulic power station . improving the calculating model of the axial thrust in the kaplan turbine ' s transient . base on the theory of screw propeller without any boundary , using the theory of screw propeller with pipe , and the formula to calculate the dynamic axial thrust during transient is developed
本文对转桨机组在过渡过程中的桨叶划水产生水推力的数学模型进行了改进，在原来使用无边界螺旋桨进行等效的基础上，使用了导管螺旋桨对转桨机组中的桨叶划水进行等效，并且比较详细的分析了影响转桨机组轴向水推力的各个因素，以及给出了动态计算轴向水推力的公式，通过计算表明，使用改进后的动态水推力计算模型得到的结果能较好的反应实测的动态轴向水推力。