c	specific heat
$c_s$	concentration sensitivity
$D$	diffusion coefficient
$g$	gravitational acceleration
$h$	heat transfer coefficient
$k$	thermal conductivity
$K_T$	thermal diffusion ratio
$K_B$	Boltzman constant
$L$	characteristic length
Nu	Nusselt number
$p$	pressure
Pr	Prandtl number
$q$	heat flux
Ra	Rayleigh number
Re	Reynolds number
$t$	time
$T$	temperature
$\overrightarrow{V}$	velocity
$v_{in}$	inlet velocity
Greek letters
$\alpha$	thermal diffusivity
$\beta$	expansion coefficient
$\phi$	volume fraction
$\rho$	density
$\mu$	viscosity
Superscripts and subscripts
B	Brownian
f	fluid
$m$	mass
nf	nanofluid
p	particle
T	thermophoresis
$w$	wall
Abbreviations
DHS	discrete heat sources
MCHS	microchannel heat sink
MHD	magnetohydrodynamics
HMT	heat and mass transfer