T	temperature of tissue, °C
Tb	arterial blood temperature, °C
Tw	wall temperature at the outer boundary, °C
q	heat flux, W/m2
r	space coordinates, m
rp	length of probe region, m
L	length of tissue, m
t	time, s
τq	phase lag due to heat flux, s
τT	phase lag due to temperature gradient, s
c	specific heat of tissue, J/kg °C
cb	specific heat of blood, J/kg °C
ρ	density of skin tissue, kg/m3
k	thermal conductivity of tissue, W/m °C
ωb 0	reference blood perfusion term, s−1
Qm 0	reference metabolic heat generation, W/m3
β	associated metabolism constant, °C−1
η	antenna constant associated with the location of the probe region, m−1
δE	energy of initiation of irreversible ablation, J mol−1
A	frequency constant, s−1
Dimensionless Variables and Similarity Criteria
x	dimensionless space coordinates
$F_o$	Fourier number or dimensionless time
$F_{o_q}$	dimensionless phase lag due to heat flux
$F_{o_T}$	dimensionless phase lag due to temperature gradient
$\theta$	dimensionless local tissue temperature
${\theta }_b$	dimensionless arterial blood temperature
${\theta }_w$	dimensionless wall temperature at boundary
$P_f$	dimensionless blood perfusion coefficient
$P_r$	dimensionless external heat source coefficient
$P_m$	dimensionless metabolic heat source coefficient
$\alpha$	associated metabolism constant
a	associated blood perfusion constant
$\Omega$	thermal damage integral function