ITS Blog - publications illustrating in-house works carried out in terms of Research and Development in acoustics

Integration of the prediction of the acoustic performance of straight ducts to the simulation software SILDIS®

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Straight ducts are components which are often present in duct systems such as those to be envisaged for air conditioning systems, ventilation systems for premises or for enclosures (in general: each time the installation of a fan is to be envisaged), exhaust lines for thermal engines or gas turbines, etc ... for which they are (among others) the basis for the construction of stacks.

The acoustic performance of straight ducts must be accounted for the purpose of the design of equipments for...

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Integration of the sizing of rectangular silencers made of splitters (baffles) with a low total pressure loss to the simulation software SILDIS®

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A low total pressure loss is often a major qualitative criterion for a silencer (in particular: rectangular), influencing its dimensions, and therefore its price.

Rectangular silencers with splitters (baffles) are the basis for many applications related to soundproofing: dissipative silencers, resonators, etc ... . Their total pressure loss (sometimes referred to as back pressure) is a key feature for the design of silencers because it affects in particular the size of soundproofing equipment...

Read more: Integration of the sizing of rectangular silencers made of splitters (baffles) with a low total...

Improvement of the way for taking into account the interactions between porous media for the design of multilayered acoustic structures with the simulation software SILDIS®

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Taking into account the interactions between porous media for the sizing of multilayer acoustic structures is still a subject of questioning for specialists in Research and Development in the acoustics sector.

Porous media are the basis of most of multilayered acoustic structures generally used to form many products and construction systems for applications related to noise control: soundproofing panels, absorbing linings, dissipative silencers, etc ...

The feature of some porous media is to...

Read more: Improvement of the way for taking into account the interactions between porous media for the...