. 2019 Mar 26;9:5178. doi: 10.1038/s41598-019-41477-7

Table 3.

Comparison between measured and modeled friction factor by different formulations.

Authors	Correlation coefficient R_cc
Present study	0.803
Stone and Shen⁷⁴	0.654
Baptist et al.⁴¹	0.806
Huthoff et al.²⁸	0.790
Yang and Choi⁸²	0.758
Cheng⁸³	0.783
Katul et al.⁴⁴	0.637