Figure 8. Transmission loss versus frequency at M = (0 – 0.2), c=565 m/s, T=800 ˚K, t=1mm, dh=1mm, σ=2%, r1=28.5 mm, and r2=75 mm at L=[23.9 105.9 00 00 115.9 00 00 115.5 00 00 105.6 25.1]mm

From

Numerical Assessment and Shape Optimization of Dissipative Muffler and Its Effect on I.C. Engine Acoustic Performance

Sabry Allam

American Journal of Vehicle Design. 2014, 2(1), 22-31