Blog - news ITS Acoustique - Results from #15

Silencers - Modeling the acoustic behavior of curved absorbers

Details: Published: 06 September 2019

Modeling the acoustic behavior of curved absorbers is of the greatest interest in terms of acoustics.

Indeed, curved absorbers occupy a place of choice among the soundproofing components since they constitute the lining of the cylindrical dissipative silencers, often used in the context of industrial sound insulation projects (e.g. for fan discharge, downstream of the diffusers of vent silencers for pressurized gas, downstream of reactive mufflers for thermal engine exhaust lines) and for...

Regulated limitation of emissions of certain pollutants (e.g. NOx) into the air - decree transposing European directive

Details: Published: 29 November 2018

Combustion plants (e.g. in relation to industrial heat production, district heating or electricity generation, not forgetting the propulsion of ships) are based on the use of fuels such as natural gas, liquefied petroleum gas, biomethane, heating fuel, coal, heavy fuel oil, biomass or biogas.

Some combustion products released to the atmosphere are undesirable and their rate must be restricted (by exhaust gas clean-up), in relation to the environmental and ecological concern for which...

Environmental Noise Guidelines for the European Region communicated by the WHO i.e. the World Health Organization (october 2018)

Details: Published: 27 October 2018

The World Health Organization (WHO), which is part of the United Nations (UN), aims to bring the world's people to the highest level of health, health being defined in the document having formalized its constitution as a "state of complete physical, mental and social well-being and not merely an absence of disease or infirmity".

As such, noise is of course a subject of WHO's work because of the risks incurred in terms of health for the populations who are exposed to it on many occasions, in...