The surge pressure generated during a sudden valve closure in a pipeline can be estimated using the Joukowsky equation, which is a simplified formula based on the principles of fluid mechanics and wave propagation. The Joukowsky equation calculates the change in pressure (ΔP) caused by a sudden change in velocity (ΔV) of the fluid. The equation is: ΔP = ρ a ΔV, where: ρ (rho) is the density of the fluid, a is the speed of sound in the fluid within the pipeline, and ΔV is the change in fluid velocity. To calculate the surge pressure, you first need to determine the fluid density (ρ). This value depends on the type of fluid being transported (e.g., water, o....
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