The Gurney method is widely used in the conceptual design stage of explosive fragmentation warheads employed in various weapons systems.This method states that the peak fragment velocity(V_0) is a function of the Gurn...The Gurney method is widely used in the conceptual design stage of explosive fragmentation warheads employed in various weapons systems.This method states that the peak fragment velocity(V_0) is a function of the Gurney velocity((2E_G)^(1/2)) and the charge-to-metal weight ratio(C/M).The current study is concerned with finding a practical approach for computing the Gurney velocity of pure and mixed high explosives which will eventually help warhead designers to select the best explosive to fulfill the needs of a particular mission.Using multiple regression analysis technique,a four-variable model was derived and used thereafter to estimate the Gurney velocity of aluminized and non-aluminized explosive formulations.The results show that the new model is particularly accurate in predicting the Gurney velocity of combined effects explosives,which are relatively a new class of high blast,high metal acceleration capability explosive compositions.展开更多
文摘The Gurney method is widely used in the conceptual design stage of explosive fragmentation warheads employed in various weapons systems.This method states that the peak fragment velocity(V_0) is a function of the Gurney velocity((2E_G)^(1/2)) and the charge-to-metal weight ratio(C/M).The current study is concerned with finding a practical approach for computing the Gurney velocity of pure and mixed high explosives which will eventually help warhead designers to select the best explosive to fulfill the needs of a particular mission.Using multiple regression analysis technique,a four-variable model was derived and used thereafter to estimate the Gurney velocity of aluminized and non-aluminized explosive formulations.The results show that the new model is particularly accurate in predicting the Gurney velocity of combined effects explosives,which are relatively a new class of high blast,high metal acceleration capability explosive compositions.
