 Sound in pipes
and ductsCalculation,
consulting and engineering for sound reduction of ducts
Calculation of duct sound power levels, and sound insulation coefficients (up to 3 m
diameter and more) including low frequency sound. These calculations consider factors such
as elbows, duct-length, etc.
Development of concepts for noise reduction.
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Measurements, calculations, and consulting in sound reduction of stacks and pipes
Noise analyses and development of noise reduction measures, for engines and other
noise sources contained in exhaust pipes (using sound intensity probes,
one-third-octave-analysis, FFT-analysis, vibration measurements with modal analysis).
Exhaust duct measurements at temperatures of up to 500 °C and sound pressure
levels up to180 dB.
Detection of longitudinal damping, sound insulation, adjustment of pipe flow
characteristics in exhaust ducts and converging pipes.
Development of special solutions for extremely high sound reduction requirements. |
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Info Concert hall planners and operators, air ventilation systems etc.
Simultaneous calculation of inner and outer pressure levels
For developers, manufacturers and operators of machinery, plants and power plants
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