3LC		3-layer-calorimeter
DSC		Differential scanning calorimeter
FEP		Fluorinated ethylene propylene
LFA		Light flash apparatus
LHTES		Latent heat thermal energy storage
M		Measurement
MCHH		Magnesiumchloride hexahydrate
PEEK		Polyether ether ketone
PCM		Phase change material
ss		Stainless steel
S		Sample
a	$\mathrm{m}{\mathrm{m}}^2/\mathrm{s}$	Thermal diffusivity
$c_p$	$\mathrm{J}/(\mathrm{g}\mathrm{K})$	Heat capacity
$d_1$, $d_2$		Factors for linear equations
$e_1$, $e_2$		Factors for linear equations
h	$\mathrm{J}/\mathrm{g}$	Enthalpy
k		Coverage factor
W	$\mathrm{g}$	Weighing value
${\alpha }_V$	$1/\mathrm{K}$	Volumetric coefficient of thermal expansion
$\Delta {\varrho }_{sl}$	%	Change of density from solid to liquid state
$\vartheta$	${}^{\circ }\mathrm{C}$	Temperature
$\Delta {\vartheta }_{sup}$	$\mathrm{K}$	Supercooling
$\lambda$	$\mathrm{W}/\left(\mathrm{m}\mathrm{K}\right)$	Thermal conductivity
$\varrho$	$\mathrm{g}/{\mathrm{cm}}^3$	Density
${\square }_0$		Reference state
${\square }_l$		Liquid (state)
${\square }_m$		Melting
${\square }_s$		Solid (state)