File:NikRough residual vs Re fD.svg
From Infogalactic: the planetary knowledge core
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Summary
A plot of resistance factor fD with the smooth pipe dependency factored out, versus Re SQRT(fD). The smooth pipe data lie on a horizontal line, the rough pipe data coincide with the smooth for low values of the abscissa, then branch away on parallel trajectories. Data with a given value of e/D are from Nikuradse, smooth pipe data from Princeton are also included.
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:13, 9 January 2017 | 457 × 485 (848 KB) | 127.0.0.1 (talk) | A plot of resistance factor fD with the smooth pipe dependency factored out, versus Re SQRT(fD). The smooth pipe data lie on a horizontal line, the rough pipe data coincide with the smooth for low values of the abscissa, then branch away on parallel trajectories. Data with a given value of e/D are from Nikuradse, smooth pipe data from Princeton are also included. |
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