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Know-How
The sound pressure Product Development 3D Models/Assembly
distribution across
the inner surface of More than 50 R&D employees work on • STEP AP203/214
a silencer at a single
frequency (f = 100 Hz). developments of exhaust and emission • Initial Graphics Exchange Specification
control systems in house. This includes (.IGS)
all stages from design, 3-D drawings, • Pro/ENGINEER files
flow dynamics and testing at Dinex’ (.PRT, .ASM, .XPR, .XAS)
Test Lab for noise, back pressure and
prototype designs. In the development phase different
methods of calculation are applied,
Design based on theoretical values and
Dinex uses SolidWorks - a 3D CAD experience, as well as information
system programme, which is a major supplied by customers.
advantage when communicating with
customers as exchanging 3D models Information from customers includes:
and drawings etc. is simplified. • Engine type
• Engine power
2D Drawings • Exhaust temperature
• Portable Document Format (PDF) • Exhaust flow
• 2D DXF/DWG (.DXF, .DWG) • Space envelope available
• TIF image (.TIF)
Calculations are supported by a CFD
analysis using a Comsol Multiphysics
system programme, which verifies the
design of silencers. All new designs are
tested.
Heavy Duty
Emissions Standards ■ Eastern Europe,
Turkey, Balkan
Euro III/01 ■ CIS, China
Euro IV/10 – NOx ➡ Euro III/08
Euro IV/12 – NOx ➡
■ Comparable to
EURO- and EPA norms
■ USA
EPA/07 – PM ➡
EPA/10-12 – NOx + PM ➡
■ Europe
Euro III/00
Euro IV/05 – NOx ➡
6 Euro V/08 –NOx ➡➡
Euro VI/13 – NOx + PM ➡
