Multi-attribute decision making parametric optimization in two-stage hot cascade vortex tube through grey relational analysis | International Journal for Simulation and Multidisciplinary Design Optimization (IJSMDO)

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Table 3

Grey relational coefficient and grey relational grade value.

Run. No	Grey relational coefficient								GRG	RANK

	T_h₁	T_c1	T_h2	T_c2	COP_h1	COP_c1	COP_h2	COP_c2
1	0.333	0.337	0.341	0.369	0.333	0.339	0.728	0.353	0.392	17
2	0.388	0.366	0.399	0.376	0.415	0.374	0.555	0.387	0.408	16
3	0.345	0.333	0.333	0.333	0.352	0.333	0.391	0.339	0.345	18
4	0.363	0.376	0.374	0.333	0.353	0.385	1.000	0.333	0.440	14
5	0.449	0.418	0.439	0.396	0.454	0.442	0.607	0.409	0.452	12
6	0.449	0.418	0.399	0.358	0.473	0.428	0.378	0.403	0.413	15
7	0.435	0.457	0.459	0.376	0.423	0.464	0.565	0.373	0.444	13
8	0.496	0.472	0.473	0.432	0.483	0.490	0.637	0.424	0.488	10
9	0.553	0.573	0.504	0.422	0.552	0.603	0.725	0.488	0.553	8
10	0.553	0.584	0.466	0.469	0.503	0.604	0.346	0.470	0.499	9
11	1.000	1.000	0.859	1.000	1.000	1.000	0.574	1.000	0.929	1
12	0.803	0.831	0.836	0.494	0.784	0.826	0.659	0.595	0.728	4
13	0.588	0.747	0.685	0.494	0.511	0.718	0.590	0.462	0.599	7
14	0.826	0.787	0.656	0.655	0.693	0.770	0.492	0.630	0.689	5
15	0.851	0.908	0.910	0.507	0.752	0.831	0.731	0.590	0.760	3
16	0.514	0.551	0.421	0.475	0.416	0.552	0.333	0.457	0.465	11
17	0.740	0.787	0.685	0.551	0.595	0.720	0.633	0.547	0.657	6
18	0.905	0.747	1.000	0.809	0.690	0.705	0.523	0.722	0.762	2

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