heat dissipation,thermal dispersion,togive off heat,dissipation of heat

Aimed at the influence of bore heat loss on projectile muzzle velocity, the mathematical model of bore heat loss was built up, and its quantitative analysis and numerical caculation were accomplished.

就身管热散失这一因素对弹丸初速的影响作了定量分析,建立了身管热散失的数学模型,并进行了数值计算;基于拉格朗日假定的内弹道模型,从弹丸初速的解析解出发,通过理论推导,给出了热散失对弹丸初速的敏感系数理论表达式。