$V_r$	residual velocity of the fragment	$V_{50}$	limit penetration velocity
$F_D$	resistance of the fragment	${\rho }_l$	density of fuel
$C_D$	resistance coefficient	$L$	length of the fragment
$q^{″}$	energy flux	$c$	specific heat of the fragment
$c_f$	specific heat of fuel	$T_b$	boiling point of fuel
$T_0$	initial temperature of fuel	$h_q$	evaporation heat of fuel
$h$	heat transfer coefficient	$k$	conductivity coefficient of fuel
$P_r$	Prandtl constant	${\mathrm{Re}}_D$	Reynolds number
$\nu$	kinematic viscosity coefficient of fuel	$Q$	internal energy
$\beta$	conversion factor	$m_{vap}$	mass of newly converted oil–gas
$M$	molar mass of RP-3	$t_c$	delay time of ignition
$E_a$	activation energy of fuel
$T_S$	temperature of the fragment passing through the tank shell