CAJ | 학술논문

为了预估串列桨水动力性能，采用面元法建立了定常水动力干扰模型。前、后桨之间的干扰通过诱导速度进行考虑。由于前、后桨之间的相对位置保持不变，所以相互之间的诱导速度为瞬时诱导速度，前、后桨水动力性能通过定常求解获得，采用线性尾涡模型，彼此迭代直至水动力性能收敛。对三组串列桨进行计算并同实验值进行比较分析，结果表明：该方法可以有效地预报串列桨定常水动力性能。
위료예고천렬장수동력성능，채용면원법건립료정상수동력간우모형。전、후장지간적간우통과유도속도진행고필。유우전、후장지간적상대위치보지불변，소이상호지간적유도속도위순시유도속도，전、후장수동력성능통과정상구해획득，채용선성미와모형，피차질대직지수동력성능수렴。대삼조천렬장진행계산병동실험치진행비교분석，결과표명：해방법가이유효지예보천렬장정상수동력성능。
In order to predict the tandem propeller hydrodynamic performance ,the surface panel meth-od is used to establish the steady hydrodynamic interaction model .The interaction between the for-ward and aft screws is considered through the induced velocities .Due to the relative position between the forward and aft screws remains the same ,the induced velocities are instantaneous .The forward and aft screws’ hydrodynamic performance is obtained through steady calculation ,and the trailing vortex model used is linear ,an iterative calculation method is used until the hydrodynamic perform-ance converges .Comparing the results of calculation about three sets of tandem propellers with the experimental data show s that this method can effectively predict the tandem propellers ’ steady hydro-dynamic performance .