平底直升机着水载荷和压力分布估算方法研究  

Estimation of Impact Loads and Pressure Distribution of a Flat-Plate Helicopter

作　　者：马玉杰[1] 汪正中[1] 陈立霞[1] 

机构地区：[1]中国直升机设计研究所直升机旋翼动力学重点实验室,江西景德镇333001

出　　处：《直升机技术》2014年第1期1-5,共5页Helicopter Technique

摘　　要：将平底直升机底部形状简化为一矩形平板,基于经典的水动力冲击理论,建立简化的刚体运动方程,对其求解得到着水载荷及压力分布的估算方法。计算结果与国外相关资料比较,其准确性可以满足实际工程的要求。The helicopter bottom shape was simplified as a rectangular plate. Based on the classical hydrodynamic impact theory, the simplified rigid motion equations were established, and the estima- tion of impcat loads and pressure distribution were developed. The results were compared with for- eign references, and the accuracy could satisfy the requirements of engineering.

关 键 词：平底直升机 着水载荷 压力分布 平板 

分 类 号：V212.4[航空宇航科学与技术—航空宇航推进理论与工程]