CBC	Closed Brayton cycle
ECHE	Endoreversible Carnot heat engine
FTT	Finite time thermodynamics
HEX	Heat exchanger
HT	Heat transfer
LTSH	Low-temperature heat sink
POW	Power output
TEF	Thermal efficiency
WF	Working fluid
FPDT	Finite Physical Dimensions Thermodynamics
Nomenclature
$A_r$	Area of radiation surface (${\mathrm{m}}^2$)
$F_1$	Area of hot heat exchangers (${\mathrm{m}}^2$)
$F_2$	Area of cold heat exchangers (${\mathrm{m}}^2$)
$K_1$	Heat transfer coefficient of hot heat exchanger ($\mathrm{W}/\left({\mathrm{m}}^2·\mathrm{K}\right)$)
$K_2$	Heat transfer coefficient of cold heat exchanger ($\mathrm{W}/\left({\mathrm{m}}^2·\mathrm{K}\right)$)
$P$	Power output ($\mathrm{W}$)
$Q_1$	heat flux rate of hot side ($\mathrm{W}$)
$Q_2$	heat flux rate of cold side ($\mathrm{W}$)
$Q_3$	heat flux rate of radiator panel ($\mathrm{W}$)
$T$	Temperature ($\mathrm{K}$)
Greek Letters
$\epsilon$	Emissivity of the radiator (-)
$\eta$	Thermal efficiency (-)
${\eta }_f$	Fin efficiency (-)
$\sigma$	Boltzmann constant ($\mathrm{W}/({\mathrm{m}}^2·{\mathrm{K}}^4)$)
Superscripts
$H$	Temperature of the high-temperature heat source
$h$	Temperature of the high-temperature work fluid
$L$	Temperature of the low-temperature heat sink
$l$	Temperature of the low-temperature work fluid
$max$	Maximum value
$max,max$	Double maximum value
$opt$	Optimum
0	Environment
$1-4$	Cycle state points