Drag on Baffle Walls in Hydraulic Jump

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Abstract
The drag force experienced by a two-dimensional baffle wall at different locations in a forced hydraulic jump has been measured. Both the average and fluctuating components of this force have been obtained using a drag frame with strain gages as the transducing element. A force coefficient using the free jump sequent depth pressure force has been used to correlate the drag force with the relevant parameters. The drag fluctuations have been analyzed using the root-mean-square value of the fluctuations as they are found to follow a normal distribution. A unified plot for the average drag force coefficient has been obtained using the data collected and some data available in literature. Results obtained have been compared with similar results available for three-dimensional baffle blocks.

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