Table 3.

Fitted parameters and goodness of fit indicators for the Power-law velocity profile model for both PVC90 and PVC63 untreated pipes.

	Test	Re	Vmed	Vmax	n	R2	MAE		RMSE
							(m/s)	%	(m/s)	%
PVC90	1	2.54E+04	0.30	0.34	7.0	0.64	0.0224	7.58	0.0274	9.03
	2	2.96E+04	0.35	0.40	7.3	0.63	0.0217	6.24	0.0299	8.44
	3	3.85E+04	0.46	0.55	5.2	0.99	0.0049	1.11	0.0062	1.36
	4	4.48E+04	0.53	0.61	7.1	0.95	0.0104	2.10	0.0128	2.39
	5	4.93E+04	0.59	0.68	6.3	0.98	0.0080	1.43	0.0097	1.64
	6	5.66E+04	0.68	0.77	7.2	0.99	0.0063	1.01	0.0078	1.15
	7	5.96E+04	0.71	0.82	6.2	1.00	0.0044	0.65	0.0055	0.77
	8	6.50E+04	0.78	0.89	6.9	0.99	0.0069	0.96	0.0081	1.04
	9	7.58E+04	0.90	1.03	7.0	1.00	0.0052	0.60	0.0066	0.73
	10	8.41E+04	1.00	1.15	6.8	0.99	0.0088	0.94	0.0108	1.07
PVC63	1	9.03E+03	0.17	0.34	1.7	0.90	0.0329	15.01	0.0365	21.58
	2	1.44E+04	0.28	0.45	3.1	0.93	0.0223	6.67	0.0246	8.91
	3	2.05E+04	0.50	0.60	4.8	0.98	0.0130	2.76	0.0134	2.70
	4	2.62E+04	0.64	0.73	6.8	0.99	0.0052	0.89	0.0065	1.03
	5	3.01E+04	0.73	0.83	7.4	0.96	0.0150	2.20	0.0172	2.35
	6	3.31E+04	0.81	0.90	7.8	0.98	0.0110	1.48	0.0124	1.53
	7	4.01E+04	0.98	1.09	7.9	0.98	0.0095	1.07	0.0124	1.27
	8	4.25E+04	1.03	1.15	7.9	0.99	0.0102	1.09	0.0130	1.26
	9	4.82E+04	1.17	1.32	7.4	0.99	0.0111	1.03	0.0124	1.06
	10	5.27E+04	1.28	1.43	8.0	0.99	0.0113	0.97	0.0140	1.09
	11	5.67E+04	1.38	1.56	7.3	0.99	0.0112	0.89	0.0153	1.11
	12	6.30E+04	1.53	1.72	7.4	0.99	0.0177	1.27	0.0215	1.40