Glossary of symbols
$A$	Pre-exponential factor, s−1	Greek symbols
$c_p$	Heat capacity, J/(kg·K)	$\Delta h_{pyr\left(g\right)}$	Heat of pyrolysis reaction, J/kg
$D_{entra}$	Entrance hole diameter, m	$\delta T$	Temperature transition zone half width of gasification process, K
$D_{exit}$	Exit hole diameter, m	$\epsilon$	Emissivity of carbon-phenolic
$d_f$	Diameter of carbon fiber, m	${\theta }_{Taper}$	Taper of drilled hole
$dT$	Temperature transition zone half width of latent heat of gasification, K	$\mathcal{K}$	Permeability, m2
$E_a$	Activation energy, J/mol	${\mu }_g$	Gas kinematic viscosity, Pa·s
$H$	Transition function	$\mathcal{v}$	Gas velocity, m/s
$h$	Thickness of composite, m	$\rho$	Density, Kg/m3
$h_{conv}$	Surface convection coefficient, $\mathrm{W}/({\mathrm{m}}^2·\mathrm{K})$	$\sigma$	Stefan-Boltzman constant, W/(m2·K4)
$I_0$	Laser peak power density, W/cm2	$\tau$	Duty cycle
$I_s$	Laser heat fluence with Gauss distribution in space, W/cm2
$\mathit{k}$	Thermal conductivity, W/(m·K)	Superscripts
$k_p$	Thermal conductivity of composite parallel to fiber axis, W/(m·K)	air	Air
$k_s$	Thermal conductivity of composite perpendicular to fiber axis, W/(m·K)	char	Carbon residue
$L_v$	Latent heat of mass gasification, J/kg	fiber	Carbon fiber
${ℳ}_g$	Molecular weight of pyrolysis gas, g/mol	gas	Pyrolysis gas
$\mathit{m}$	Mass, kg	poly	Polymer resin
$N$	Number of laser pulses
n	Zero or positive integer
$n_a$	Reaction order
$\mathit{P}$	Gas pressure, Pa
$P_0$	Initial internal gas pressure, Pa
$P_{ref}$	Ambient pressure, Pa	Subscripts
$R$	Ideal gas constant, J/(mol·K)
$r_0$	Spot radius, m	e	End state after reaction
$T$	Temperature, K	eff	Effective parameter
$T_0$	Initial temperature, K	$o$	Original state before reaction
$T_{ref}$	Ambient temperature, K	sim	Simulation value
$T_v$	Gasification temperature of carbon, K
$T_w$	Temperature of the upper surface, K
$t_{Laser}$	Laser penetration time, s
$t_{pulse}$	Pulse duration, s
$V$	Volume fraction
$W_{HAZ}$	Surface HAZ width, m
x, y, z	Cartesian coordinate system