T	Temperature, °C
Tc	Cold temperature, °C
Th	Hot temperature, °C
a	Long axis of the yarn, m
b	Short axis of the yarn, m
d	Width and length of the meso-scale unit cell model, m
e	Yarn spacing, m
h	Height of the meso-scale unit cell model, m
l	Length of the yarn, m
q	Density of heat flow, W.m−2
V	Volume fraction
t	Time, s
ti	Interphase thickness, m
Symbols
α	Thermal diffusivity, m2.s−1
λ	Thermal conductivity, W.m−1.K−1
φ	Porosity
ΔT	Temperature difference, K
$\nabla \mathrm{T}$	Temperature gradient, K.mm−1
ρ	Density, kg m−3
Cp	Specific heat capacity, J.kg−1.K−1
Subscripts
f	Carbon fibers in plain woven composite
m	Epoxy resin matrix
eff	Effective
y	Yarn
fy	Fiber in yarn
xx	Across the heat flow path
yy	Normal to the heat flow path
zz	Out-of- plane direction
	Parallel to the axial direction of the fiber
┴	Normal to the axial direction of the fiber
ya	Axial direction of the yarn
yt	transverse direction of the yarn
in	In-plane direction
out	out-of-plane direction (thickness)
Abbreviation
CFRP	Carbon-fiber-reinforced polymer
ETC	Effective thermal conductivity
FEA	Finite Element Analyses
RVE	Representative Volume Element
TC	Thermal conductivity
UD	Unidirectional lamina