An Experimental Study of ZrO₂-CeO₂ Hybrid Nanofluid and Response Surface Methodology for the Prediction of Heat Transfer Performance: The New Correlations

Table 4

Validation of proposed regression models with experimental data.

Exp. no.	Volume concentration (%)	Power (W)	Experimental values of (K/W)	Regression model values of (K/W)	Experimental values of (W/m^2K)	Regression model values of (W/m^2K)	% of deviation in	% of deviation in
1	0	30	11.06	10.92984	14.8816	14.49894	1.17689	2.571405
2	0	60	5.57	5.557304	28.5514	29.60766	0.227935	-3.69966
3	0	90	3.71	3.678284	43.3209	48.20766	0.854879	-11.2803
4	0.0125	30	10.71	10.79815	18.1475	16.81907	-0.8231	7.320428
5	0.0125	60	5.41	5.409967	33.9082	32.37916	0.000614	4.509315
6	0.0125	90	3.56	3.515292	55.5937	51.43053	1.255852	7.488492
7	0.025	30	10.7	10.68239	18.223	18.62172	0.164613	-2.18798
8	0.025	60	5.4	5.278544	34.2393	34.63318	2.249182	-1.15031
9	0.025	90	3.55	3.368214	56.3079	54.13592	5.120734	3.857366
10	0.05	30	10.64	10.4986	18.9724	20.67459	1.328992	-8.97169
11	0.05	60	5.33	5.063443	37.299	37.58878	5.001075	-0.7769
12	0.05	90	3.54	3.121802	57.54	57.99426	11.8135	-0.78939
13	0.075	30	10.58	10.37846	19.7416	20.65753	1.904892	-4.63966
14	0.075	60	5.33	4.912	37.6192	38.47447	7.842408	-2.27357
15	0.075	90	3.53	2.939049	58.696	59.78268	16.74082	-1.8514
16	0.1	30	10.57	10.32199	19.8759	18.57056	2.346377	6.56737
17	0.1	60	5.31	4.824215	38.4441	37.29023	9.148495	3.001538
18	0.1	90	3.51	2.819954	61.153	59.50118	19.65943	2.701152
						Mean	4.778533	0.022009