Fluid Selection of Organic Rankine Cycle Using Decision Making Approach

Table 1

Selected fluids, properties, and their ranks.

SHARAE number	Name	Mol. Wt.	𝑇𝑐; (K)	𝑃 c; (MPa)	𝐶𝑝; J/(kg·K)	𝐿; (KJ/kg)	𝑑𝑆/𝑑𝑇; (J/kg·K^2)	Atm. life (yrs)	GWP	ODP	TOPSIS index (environmental)	Ranks (environmental)	TOPSIS index (thermal)	Ranks (thermal)
R 718	Water	18	647.1	22.06	1943.17	2391.79	−17.78	0	0	1	0.768582339	1	0.7358	1
R 717	Ammonia	17.03	405.4	11.33	3730.71	1064.38	−10.48	0.01	0	1	0.558325512	2	0.41881	2
HC 270	Cyclopropane	42.08	398.3	5.58	1911.81	366.18	−1.54	0.44	0	0	0.472415182	3	0.29305	15
R 21	Dicholorofluoromethane	102.92	451.48	5.18	339.85	216.17	−0.78	1.7	0.01	151	0.47104587	4	0.31343	3
R 601	Pentane	72.15	469.7	3.37	1824.12	349	1.51	0.01	0	20	0.469306972	5	0.30689	4
R 600	Butane	58.12	425.13	3.8	1965.59	336.82	1.03	0.018	0	20	0.466288223	6	0.29874	9
R 245 ca	1,1,2,2,3-Penatfluoropropane	134.05	447.57	3.93	1011.26	188.64	0.6	6.2	0	693	0.465275957	7	0.304	7
R 600 a	Isobutane	58.12	407.81	3.63	1981.42	303.44	1.03	0.019	0	20	0.462052281	8	0.29307	14
R 152 a	1,1-Difluoroethane	66.05	386.41	4.52	1456.02	249.67	−1.14	1.4	0	124	0.461847616	9	0.28403	19
R 245 fa	1,1,1,3,3-Pentafluoropropane	134.05	427.2	3.64	980.9	177.08	0.19	7.6	0	1030	0.460840828	10	0.2983	10
R 123	2,2-Dichloro-1,1,1-trifluoroethane	152.93	456.83	3.66	738.51	161.82	0.26	1.3	0.02	77	0.458026507	11	0.30522	6
R 290	Propane	44.1	369.83	4.25	2395.46	292.13	−0.79	0.041	0	20	0.456089175	12	0.272	20
R 1270	Propene	42.08	365.57	4.66	2387.36	284.34	−1.77	0.001	0	20	0.455604065	13	0.26539	22
R 134 a	1,1,1,2-Tetrafluoroethane	102.03	374.21	4.06	1211.51	155.42	−0.39	14	0	1430	0.452835322	14	0.28507	17
R 32	Difluoromethane	52.02	351.26	5.78	2301.61	218.59	−4.33	4.9	0	675	0.449898598	15	0.24699	24
R 124	2-Chloro-1,1,1,2-tetrafluoroethane	136.48	395.43	3.62	908.7	132.97	0.26	5.8	0.02	609	0.449250255	16	0.29518	11
R 227 ea	1,1,1,2,3,3,3-Heptafluoropropane	170.03	375.95	3	1013	97.14	0.76	42	0	3220	0.446785863	17	0.29491	12
R 41 a	Fluoromethane	34.03	317.28	5.9	3384.66	270.04	−7.2	2.4	0	92	0.442641105	18	0.20737	25
R 744	Carbon dioxide	44.01	304.13	7.38	3643.72	167.53	−8.27	50	0	1	0.43892504	19	0.20072	26
R 125	Pentafluoroethane	120.02	339.17	3.62	1643.89	81.49	−1.08	29	0	3500	0.433917757	20	0.26573	21
R 22	Chlorodifluoromethane	86.47	369.3	4.99	1069.13	158.46	−1.33	12	0.05	1810	0.42834586	21	0.28495	18
R 143 a	1,1,1-Trifluoroethane	84.04	345.86	3.76	1913.97	124.81	−1.49	52	0	4470	0.427951326	22	0.25803	23
R 170 a	Ethane	30.07	305.33	4.87	5264.72	223.43	−8.28	0.21	0	20	0.421026044	23	0.15959	29
R 142 b	1-Chloro-1,1-difluoroethane	100.5	410.26	4.06	1036.52	185.69	0	17.9	0.07	2310	0.419535121	24	0.29473	13
R 141 b	1,1-Dichloro-1-fluoroethane	116.95	477.5	4.21	848.37	215.13	0	9.3	0.12	725	0.415481327	25	0.30646	5
R C318	Octafluorocyclobutane	200.03	388.38	2.78	896.82	93.95	1.05	3200	0	10250	0.40022252	26	0.30204	8
R 218	Octafluoropropane	188.02	345.02	2.64	1244.87	58.29	0.45	2600	0	8830	0.400029409	27	0.28695	16
R 23 a	Trifluoromethane	70.01	299.29	4.83	3884.02	89.69	−6.49	270	0	14760	0.369716774	28	0.18146	27
R 116 a	Hexafluoroethane	138.01	293.03	3.05	4877.91	30.69	−5.54	10000	0	12200	0.28027484	29	0.18131	28