The news
Discover the latest news from Groupe Boët, as well as events and blog posts on acoustics and other topics.
30/10/2026
Sizing an acoustic enclosure: the four most common mistakes
On an enclosure, decibels are rarely lost through the walls. They escape through a ventilation opening, a door seal, a rigid connection, or a poorly anticipated frequency.
30/10/2026
Industrial Silencer Standards: What Each Code Requires, From Calculation to Inspection
On a technical data sheet, "compliant" is just one word. On site, the acceptance of a pressure silencer demands much more: a calculation performed according to the applicable code, traceable materials, qualified welds, and documented inspections.
30/10/2026
Generator Exhaust System: A Single Back Pressure Budget for Emission Control and Acoustics
A generator set can meet its NOx limits and void the engine manufacturer's warranty on the same day.
30/10/2026
Atmospheric steam vent silencers: sized to the actual requirement through simulations qualified by testing
When there's doubt about a calculation, margin gets added. On a steam atmospheric vent silencer, that margin is paid for in height, mass and supporting structure, with no benefit beyond the project's acoustic target. The only way to remove it is a reliable calculation model.
09/10/2026
Acoustic enclosures: The Most Frequent Sizing Errors
An enclosure is not just a box placed around a machine. It is a shell that must simultaneously insulate, allow the machine to breathe, remain accessible, and not touch anything that vibrates.
09/10/2026
Back Pressure in Engine Exhaust Silencers: Reducing Noise Without Compromising Engine Performance
Where does pressure drop come from, why is it calculated before manufacturing, and how did the Groupe Boët analyze it using CFD simulation on its SM EVO 2 muffler?
02/09/2026
Atmospheric vent silencers: Addressing noise peaks at the source
FEA, CFD, modal analysis: Learn how the Groupe Boët uses numerical simulation to ensure the performance of its industrial mufflers.
26/08/2026
Numerical Simulation and Design of Industrial Silencers
FEA, CFD, modal analysis: Learn how the Groupe Boët uses numerical simulation to ensure the performance of its industrial mufflers.
17/08/2026
Noise Reduction in Industrial Silencers: Why the Spectrum Matters More Than the Numbers
A "30 dB" silencer may be ineffective if its frequency response does not cover the correct spectrum. Learn about the Groupe Boët's spectral sizing method.
23/07/2026
Ventilation Silencers: 5 Parameters to Balance Simultaneously
Surface area, thickness, airflow, material, shape: Discover how the Groupe Boët simultaneously optimizes five parameters to design a high-performance ventilation silencer.
09/07/2026
Design Office: Designing Silencers Where There Is No Room for Error
ASME, RCC-M, and CODAP codes: Learn how the Groupe Boët’s Engineering Department designs industrial silencers that comply with these standards and can be measured upon delivery.
17/06/2026
Industrial Acoustics Project: The Risk of Fragmentation
Audit, manufacturing, acceptance: Find out why managing an acoustics project through a single point of contact helps prevent non-compliance.