Mecanum impedance tubes; These are test systems designed to make reliable measurements, especially the "sound absorption coefficient" and "sound transmission loss" values, which are important parameters used in noise control engineering calculations.

Scope of application
Mecanum impedance tubes; The world's leading material suppliers add value to its engineering activities with its consistent results in test and analysis studies in the automotive and aircraft industries. The main usage areas of impedance tubes:
► Quality control studies in the manufacturing processes of materials
► Research, development and innovation studies
► Feeding of material sound absorption properties to acoustic simulation software

The data obtained
► Sound Absorption Coefficient (α)
► Reflection Coefficient (R)
► Surface Impedance (Zs/Zair)
► Voice Transmission Loss (TL)
► Characteristic Impedance (Z/Zair)
► Transfer Matrix Coefficient (Tij)
► Dynamic Density (ρeq)
► Compressibility (Keq)

Static air flow resistance measurement systems; They are reliable measurement systems developed for the calculation of “static air flow resistance and static viscous permeability” parameters of porous acoustic insulation materials used in noise control engineering studies. The system has been prepared based on the direct method described in ASTM C522-03 and ISO 9053-91 standards.

Material Properties

► Static Airflow Resistivity (Pa.s / m² or rayls / m)

► Static Airflow Resistance (Pa.s/m or rayls)

► Static Viscous Permeability (m² or Darcy)

Scope of application

Mecanum static air flow resistance measurement systems; The world's leading material suppliers add value to its engineering activities with its consistent results in test and analysis studies in the automotive and aircraft industries. Main usage areas of static air flow resistance measurement systems:

► Quality control studies in the manufacturing processes of materials

► Research, development and innovation studies

► Adding material sound absorption features to acoustic simulation software

Key Features

Mecanum static air flow resistance measurement systems; It comes with a test sample placement section that can be configured in different sizes, a thin film section, made of stainless steel material, calibration material and calibration control card and Sigma-X™ software. Sigma-X™ software is used to obtain data from the test device and to process the obtained static air flow resistance data. The static air flow resistance measurement system works with disc-shaped calibration materials that can also be used in B&K and Mecanum, impedance tubes, porosity measurement systems and semi-static mechanical analyzer systems. It is also possible to supply optional calibration samples, and material placement sections.

Semi-static mechanical analysis test systems; They are reliable measurement systems designed to calculate the elastic properties (Young modulus E; Poisson ratio ν; Damping loss factor η) of porous acoustic insulation materials used in noise control engineering studies.

Scope of application
Mecanum quasi-static mechanical analysis measurement systems; The world's leading material suppliers add value to its engineering activities with its consistent results in test and analysis studies in the automotive and aircraft industries. Main usage areas of semi-static mechanical analysis measurement systems:

► Quality control studies in the manufacturing processes of materials

► Research, development and innovation studies

► Feeding of material sound absorption properties to acoustic simulation software

► Semi-static mechanical analysis measurement systems; Compatible with Biot based software such as Nova™, VA One™, and MSC Actran™ and Biot poroelastic equations

Key Features

Mecanum quasi-static mechanical analysis test systems; It comes with a data acquisition system, QMA-X™ software, a calibration card used in the verification of test procedures. QMA-X™ software is used to obtain and process elastic material properties from the test system. The general measurement frequency range of the system is 10-100 Hz. Mecanum quasi-static mechanical analysis test systems; Mecanum also works with disc-shaped calibration materials that can also be used in impedance tubes, porosity measurement systems and static air flow resistance measurement systems.

Mecanum porosity measuring devices; are test systems designed for reliable measurement of “open porosity” and “true bulk density” values, which are important parameters used in noise control engineering calculations.

Material Properties
1. Open Porosity
2. True Volume Density

Scope of application

Mecanum porosity measurement systems; The world's leading material suppliers add value to its engineering activities with its consistent results in test and analysis studies in the automotive and aircraft industries. The main areas of use of porosity measurement systems:

► Quality control studies in the manufacturing processes of materials

► Research, development and innovation studies

► Feeding material sound absorption properties to acoustic simulation software

Key Features

Mecanum porosity measurement systems come with verification card, verification sample and Phi-X™ software. Phi-X™ software assists the test engineer with calculations of open porosity and true bulk density during and after the test process. The porosity measurement system works with disc-shaped calibration materials that can also be used in B&K and Mecanum, impedance tubes, air flow resistance measurement systems and quasi-static mechanical analyzer systems. It is also possible to supply optional calibration samples.