- The degree of smoothness of the surface & the quality of the surface in terms of abrasion resistance play an important role as well as the actual velocity of the water .
- No surface is absolutely smooth ( even steel ) & if the velocity of flow exceeds about 15m/sec , there is a definite possibility that cavitation will form at discontinuities on the surface & this will result in cavitation damage .
- Generally , cavitation damage has been found to occur to spillways , penstocks , aprons , energy dissipating basins & to syphons & tunnels in hydroelectric schemes .
Tuesday, May 22, 2012
Cavitation
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