基于双线性法的高能管道假想破口载荷分析及H型防甩击限制器设计

Load Analysis of Hypothetical Ruptures and Optimum Design of H-Type Anti-Whip Restraint Devices for High Energy Pipes Based on Bilinearity Method

为有效应对核电站高能管道假想破口所产生的动力学效应,设计阶段必须根据力学分析结果采取实体隔离或加设防甩击限制器等措施。根据高能管道假想破口力学模型,给出了喷射力、喷射动能和特征长度的计算方法,并根据能量平衡原理提出了一种基于双线性法的H型防甩击限制器设计与校核方法。

In order to deal with the dynamic effects induced by the hypothetical ruptures of the high energy pipes in nuclear power plants,the physical isolation and anti-whip restraint devices should be adopted based on the mechanical analysis during the NPP design.This paper not only introduces the calculation methods of jet forces,jet energy and characteristic lengths of circumferential rupture of high energy pipes based on the optimum mechanic mode,but also presents one new bilinearity method which could be used for the design and verification of the H type anti-whip restraint devices.