New design
A muffler or silencer concept from your space envelope, flow and attenuation targets.
Engineering services
Your silencer, designed by our engineers.
No simulation team, no time, or a one-off project? Send us the geometry and the targets. We run the acoustics, flow and heat in SpectraSim and deliver the design with a report.
SpectraSim engineering services are design studies on request. Our engineers model, simulate and improve your muffler, exhaust system or duct silencer in SpectraSim — acoustics coupled with flow and heat transfer — and deliver the design with a report of transmission loss, insertion loss, back-pressure and recommended changes. You do not need to buy or learn the software.
- 01 Send your geometry and targets CAD or drawings, operating conditions, the TL and back-pressure you need.
- 02 We simulate and iterate Acoustics, flow and heat in one model; design variants compared.
- 03 You receive the design and a report TL, IL, back-pressure and recommended changes, ready for prototyping.
What we do
What can SpectraSim engineers do for your silencer?
Studies sized to the question you have — for mufflers, exhaust systems, genset silencers, small-engine mufflers and HVAC duct silencers.
Assessment of an existing design
TL, IL, radiated noise and back-pressure of the design you have, with what limits it.
Optimisation
Variants of chambers, perforates and packing compared to meet both targets at once.
Correlation with your test
Simulation overlaid on your measured TL or back-pressure, differences explained.
How it works
What do we need from you, and what do you receive?
What we need from you
- CAD (STEP, IGES or STL) or dimensioned drawings
- Mass flow and gas temperature at the inlet
- Attenuation target: TL, IL or SPL, and its frequency range
- Back-pressure limit and space envelope
What you receive
- HTML and PDF report with methods, quality checks and charts
- TL / IL curves and 1/3-octave bands
- Back-pressure, Δp₀ and flow split
- Recommended design changes
Terms
How long does a study take, and is my data kept confidential?
- Typical turnaround
- [MISSING S01 — typical turnaround]
- Fees
- Quoted per study, on its scope: the product, the targets and the number of design variants.
- Confidentiality
- [MISSING S02 — NDA / confidentiality policy]
- CAD exchange
- After the first reply and the quotation — not with the request form.
Request
Request a design study
Tell us the product and the targets. We reply with questions and a quotation; CAD is exchanged after that.
Quick answers
Services, answered
- Can SpectraSim design a muffler for me?
- Yes. SpectraSim engineers run the study in SpectraSim and deliver the design with a report of transmission loss, insertion loss, back-pressure and recommended changes. You do not need to buy or learn the software.
- What do I need to send for a muffler design study?
- CAD (STEP, IGES or STL) or dimensioned drawings, the mass flow and gas temperature at the inlet, the attenuation target with its frequency range, the back-pressure limit and the space envelope.
- What does a SpectraSim design study include?
- An HTML and PDF report with methods, quality checks and charts; transmission-loss and insertion-loss curves with 1/3-octave bands; back-pressure, total-pressure loss and flow split; and the recommended design changes.
- How much does a design study cost?
- Each study is quoted on its scope: the product, the targets and the number of design variants. Send the request form and you receive questions and a quotation.
Prefer to run it yourself?
Every licence includes every feature. Or let our engineers run the study for you.