Noise of machines and devices kann be effectively reduced by mufflers and silencers. But, what is the best way to …Read more »
Test setup for mufflers AcoustiTube® HighTemp
The test setup for mufflers AED 1400 – AcoustiTube® HighTemp allows the determination of the acoustic efficiency of silencers and mufflers at temperatures up to 600 °C. Due to its small size compared to typical test setups for mufflers, the measuring device can be installed in a laboratory as well.
The gained measurement data of an evaluated muffler can be applied as input parameters for calculating the spectral transmission loss or the spectral insertion loss of complete systems of silencers and mufflers by means of the analysis software AED 8001 – AcoustiCalc® Silencer as in the case that the measured muffler is integrated to a complete exhaust system.Read more »
Silencer software AcoustiCalc® Silencer
The muffler software AED 8001 – AcoustiCalc® Silencer is a powerful tool for the acoustic design of single elements and complex systems of silencers and mufflers by simulating the insertion loss and the transmission loss.
The working principle of the simulation software for silencers is based on the analytical description of the specific elements of ducts and mufflers as quadrupoles according to linear network theory. All models correspond to the current state of the art and were additionally optimized by us by means of numerical simulations.
By concatenation of the single elements, the acoustic behavior of arbitrary and complete systems of mufflers can be calculated easy and fast with respect to defined operational conditions.Read more »
Airflow resistivity meter AcoustiFlow®
The airflow resistivity meter AED 300 – AcoustiFlow® allows the determination of the airflow resistance of materials with open porosity on the basis of the direct-airflow method described in DIN EN 29053 (ISO 9053).
This technique requires the measurement of the pressure drop across the specimen to be examined as a function of the volume airflow.
The specific airflow resistance of a sound absorber mainly influences its sound absorption coefficient.Read more »
The Gesellschaft für Akustikforschung Dresden mbH acts in the various fields of acoustics and offers its clients an extensive range of services. These include acoustic measurements and the determination of material parameters as well as consultancy in all matters of acoustics and noise reduction more »
For several years, the Gesellschaft für Akustikforschung performs seminars and workshops to effectively train you and your colleagues in …20. March 2018