TN248.5 2001042439DF/HF化学激光器喷管设计和数值模拟=Nozzle designand numerical simulation method of nozzle flow in DF/HF chemical lasers[刊,中]/袁圣付,华卫红,姜宗福,赵伊君(国防科技大学应用物理系.湖南,长沙(410073))//...TN248.5 2001042439DF/HF化学激光器喷管设计和数值模拟=Nozzle designand numerical simulation method of nozzle flow in DF/HF chemical lasers[刊,中]/袁圣付,华卫红,姜宗福,赵伊君(国防科技大学应用物理系.湖南,长沙(410073))//中国激光.-2001,28(1).-19-21简述了喷管作用和单个喷管型面设计中存在的问题,根据气动理论提出了一种喷管设计新方法;介绍了DF/HF激光器喷管流动数值模拟的控制方程、初边值条件和CS方法。参12(赵桂云)展开更多
Traditional gust load factor(GLF)method,inertial wind load(IWL)method and tri-component method(LRC+IWL)cannot accurately analyze the wind-induced responses of super-large cooling towers,so the real combination formula...Traditional gust load factor(GLF)method,inertial wind load(IWL)method and tri-component method(LRC+IWL)cannot accurately analyze the wind-induced responses of super-large cooling towers,so the real combination formulas of fluctuating wind-induced responses and equivalent static wind loads(ESWLSs)were derived based on structural dynamics and random vibration theory.The consistent coupled method(CCM)was presented to compensate the coupled term between background and resonant response.Taking the super-large cooling tower(H=215 m)of nuclear power plant in Jiangxi Province,China,which is the highest and largest in China,as the example,based on modified equivalent beam-net design method,the aero-elastic model for simultaneous pressure and vibration measurement of super-large cooling tower is firstly carried out.Then,combining wind tunnel test and CCM,the effects of self-excited force on the surface pressures and wind-induced responses are discussed,and the wind-induced response characteristics of background component,resonant component,coupled term between background and resonant response,fluctuating responses,and wind vibration coefficients are discussed.It can be concluded that wind-induced response mechanism must be understood to direct the wind resistant design for super-large cooling towers.展开更多
文摘TN248.5 2001042439DF/HF化学激光器喷管设计和数值模拟=Nozzle designand numerical simulation method of nozzle flow in DF/HF chemical lasers[刊,中]/袁圣付,华卫红,姜宗福,赵伊君(国防科技大学应用物理系.湖南,长沙(410073))//中国激光.-2001,28(1).-19-21简述了喷管作用和单个喷管型面设计中存在的问题,根据气动理论提出了一种喷管设计新方法;介绍了DF/HF激光器喷管流动数值模拟的控制方程、初边值条件和CS方法。参12(赵桂云)
基金Projects(50978203,51208254)supported by the National Natural Science Foundation of ChinaProject(BK2012390)supported by Natural Science Foundation of Jiangsu Province,ChinaProject supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions,China
文摘Traditional gust load factor(GLF)method,inertial wind load(IWL)method and tri-component method(LRC+IWL)cannot accurately analyze the wind-induced responses of super-large cooling towers,so the real combination formulas of fluctuating wind-induced responses and equivalent static wind loads(ESWLSs)were derived based on structural dynamics and random vibration theory.The consistent coupled method(CCM)was presented to compensate the coupled term between background and resonant response.Taking the super-large cooling tower(H=215 m)of nuclear power plant in Jiangxi Province,China,which is the highest and largest in China,as the example,based on modified equivalent beam-net design method,the aero-elastic model for simultaneous pressure and vibration measurement of super-large cooling tower is firstly carried out.Then,combining wind tunnel test and CCM,the effects of self-excited force on the surface pressures and wind-induced responses are discussed,and the wind-induced response characteristics of background component,resonant component,coupled term between background and resonant response,fluctuating responses,and wind vibration coefficients are discussed.It can be concluded that wind-induced response mechanism must be understood to direct the wind resistant design for super-large cooling towers.
