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pro vyhledávání: '"Lawrence E. Donahue"'
Autor:
Lawrence E. Donahue
Publikováno v:
The Journal of the Acoustical Society of America. 91:2303-2303
In a valve having a plug and valve seat for controlling the flow of fluid between an inlet port and an outlet port, the plug has radial serrations on its bottom face and has a length for establishing turbulence during the last 1/4 of its stroke as th