Table 14.

ANOVA results and the contribution ratios for the ${\eta }_{th}$, ${\eta }_{ex}$, ${\dot{C}}_{sys}$, and $C_{el}$.

Symbol	Control factors	$\mathit{D}\mathit{O}\mathit{F}$	Contribution (%)
			${\mathit{\eta }}_{\mathit{t}\mathit{h}}$	${\mathit{\eta }}_{\mathit{e}\mathit{x}}$	${\dot{\mathit{C}}}_{\mathit{s}\mathit{y}\mathit{s}}$	${\mathit{C}}_{\mathit{e}\mathit{l}}$
A	Working fluid	5	4.31	8.24	13.64	50.28
B	Evaporation temperature	2	50.48	3.37	67.48	5.34
C	Condensation temperature	2	20.34	42.20	15.63	17.30
D	Expander efficiency	2	24.73	46.00	0.07	23.34
E	Pump efficiency	2	0.05	0.08	0.49	1.60
F	Superheating	2	0.03	0.06	0.08	1.26
G	Subcooling	2	0.06	0.05	2.62	0.87
Error		0	–	–	–	–
Total		17	100.00	100.00	100.00	100.00