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This document presents a predictive method for estimating the broadband noise generated in bends of piping systems. The prediction is based on scaling rules relating the noise spectrum to the geometry and flow conditions in the bend. Measurements of different 90-degree bends show that below the cut-on frequency, the sound power scales with M4, and above it scales approximately with M6. The scaling incorporates the influence of non-dimensional parameters like the Strouhal number, Mach number, and drag coeffi

Author

cankushbjk

Language

EN