Fig. 10
Regression line of PVV of the steel pipe under the flat terrain by using the Sadovsky’s empirical formula: (a) X-direction velocity; (b) Y-direction velocity.
Fig. 10 | Scientific Reports
Regression line of PVV of the steel pipe under the flat terrain by using the Sadovsky’s empirical formula: (a) X-direction velocity; (b) Y-direction velocity.
