filtertechnik.europe Fibre-free Sound Absorption for Corrosive Process Conditions Dr. Nicolas Komorek/Dr. Christian Komorek Kiel, 09 March 2017

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1 filtertechnik.europe Fibre-free for Dr. Nicolas Komorek/Dr. Christian Komorek Kiel, 09 March 2017 Komorek/filtertechnik.Europe 2017

2 Structure Fibre-free sound absorption MASH Introduction filtertechnik.europe Status quo absorption for tech. applications Concept Fibre-free sound absorption MASH Material Absorbing and Heat MASH applications Established solutions Function Principle of fibre-free sound absorption with MASH Development Process Towards the Snake Use Case Fibre-free sound absorption for corrosive process conditions MASH potentials Technical fields for increased function Better Function in Metal Mesh Slide 2

3 Introduction filtertechnik.europe Technology Engineering and manufacturing of functional solutions of metal mesh Functions Filtration, dispersion, sound absorption, heat absorption, precision assemblies Development Development partner for industry customers from various sectors fteu Headquarters in Germany, further locations in P.R. China and the Czech Republic, global sales reps. Better Function in Metal Mesh Slide 3

4 Introduction filtertechnik.europe Technology Engineering and manufacturing of functional solutions of metal mesh Functions Filtration, dispersion, sound absorption, heat absorption, precision assemblies Development Development partner for industry customers from various sectors fteu Headquarters in Germany, further locations in P.R. China and the Czech Republic, global sales reps. We develop and manufacture solutions for technical functions of metal mesh Better Function in Metal Mesh Slide 4

5 Status quo absorption for tech. apps. Conventional sound absorption Combination of perforated surface, absorption structure of fibres, reverberative wall Problems Diminished function in specific conditions (humidity, explosion prevention) Decreasing sound absorption over time Contamination of system Lack of cleanability Challenge Creation of fibre-free sound absorption for specific process conditions Better Function in Metal Mesh Slide 5

6 Status quo absorption for tech. apps. Conventional sound absorption Combination of perforated surface, absorption structure of fibres, reverberative wall Problems Diminished function in specific conditions (humidity, explosion prevention) Decreasing sound absorption over time Contamination of system Lack of cleanability Challenge Creation of fibre-free sound absorption for specific process conditions Effective sound absorption for specific process conditions (humidity, explosion prevention, hygiene, contamination) has to be designed fibre-free Better Function in Metal Mesh Slide 6

7 Concept Fibre-free sound absorption 1-material-solution Fibre-free sound absorption through combination of perforated surface and absorption structure Closed surface (Helmholtz resonator) requires an almost closed surface that is yet permeable for sound Defined 3D-strucutre An effective absorption stucture is defined in the third dimension? Better Function in Metal Mesh Slide 7

8 Concept Fibre-free sound absorption 1-material-solution Fibre-free sound absorption through combination of perforated surface and absorption structure Closed surface (Helmholtz resonator) requires an almost closed surface that is yet permeable for sound Defined 3D-strucutre An effective absorption stucture is defined in the third dimension Views Dutch Weave Structure Dutch Weave? Structure MASH Better Function in Metal Mesh Slide 8

9 Concept Fibre-free sound absorption 1-material-solution Fibre-free sound absorption through combination of perforated surface and absorption structure Closed surface (Helmholtz resonator) requires an almost closed surface that is yet permeable by sound Defined 3D-strucutre An effective absorption stucture is defined in the third dimension MASH achieves effective sound absorption fibre-free through its unique absorption structure Better Function in Metal Mesh Slide 9

10 MASH Material Absorbing and Heat Fibre-free Long-lasting Robust Cleanable Broadband starting <1kHz max. at 2,4kHz (Kundt tube; 20mm wall proximity) Metal Use of a variety of different specs. for defined properties (i.e. weight, heat, chem. resistance) Moldable Sheet metal like molding (pleating, deepdrawing) with affection sound absorption Better Function in Metal Mesh Slide 10

11 MASH Material Absorbing and Heat Fibre-free Long-lasting Robust Cleanable Broadband starting <1kHz max. at 2,4kHz (Kundt tube; 20mm wall proximity) Metal Use of a variety of different speca. for defined properties (i.e. weight, heat, chem. resistance) Moldable Sheet metal like molding (pleating, deepdrawing) with affection sound absorption MASH enables broadband sound absorption in specific process conditions coefficient, 20mm wall proximity 1,00 0,90 0,80 0,70 0,60 0,50 0,40 0,30 0,20 0,10 0,00 [khz] 0,10 1,10 2,10 3,10 4,10 5,10 6,10 7,10 Better Function in Metal Mesh Slide 11

12 Applications MASH Established solutions Tube sound absorber Funnels (ships, chimneys) Compressors Areal sound absorber Sealing covers Molded absorber exhaust elbows (automotive) Shield plates (chain saws) Better Function in Metal Mesh Slide 12

13 MASH applications Established solutions Tube sound absorber Funnels (ships, chimneys) Compressors Areal sound absorber Sealing covers Molded absorber exhaust elbows (automotive) Shield plates (chain saws) Tube sound absorber Shield plates Sealing covers Pleated absorber MASH is used in practice its potentials only partially exploited Better Function in Metal Mesh Slide 13

14 MASH potential Tech. fields for increased function Exhaust gases/high humidtiy Applications with corrosive process conditions Explosion prevention Applications with high explosion risk Hygiene Applications with high cleanability demands (food industry, health/medical, optical) Impure/dirty conditions Applications with high cleanability demands (manufacturing industry) MASH enables broadband sound absorption with fibre-free function of metallic material in moldbale shapes Molded parts Applications with defined demands regarding available/limited space Better Function in Metal Mesh Slide 14

15 Summary Fibre-free sound absorption MASH Introduction filtertechnik.europe Status quo absorption for tech. applications Concept Fibre-free sound absorption MASH Material Absorbing and Heat MASH applications Established solutions MASH potentials Technical fields for increased function Thanks for Your Attention! Better Function in Metal Mesh Slide 15

16 Technical partner Your contacts at fteu Dr. Nicolas Komorek Managing Director filtertechnik.europe GmbH & Co. KG Gladbacher Str. 21 D Heinsberg Germany Jenö Inderfurth Technical Sales Better Function in Metal Mesh Slide 16