Design and Development of Silencer for Effective Vibration and Noise Control
Priyal Patil, SAYALI DHAMALE, GOURI PANSARE, Dr. R. V. Bhortakke
Silencer, back pressure, modal analysis, natural frequency
A Silencer is a part of the exhaust system which plays a vital role in industrial application. This paper describes a brief review of a Design and Development of Industrial Silencer. Diesel engine sets used in heavy earth moving equipment can cause heavy vibrations. Setting up of these vibrations in engine have an adverse effect on silencer. Vibrations are transferred to inlet pipe of silencer through intermediate pipe. This to and fro movement of inlet pipe with respect to shell causes cracking of the welding at the joint. Also, the velocity and the pressure of the outlet gases is very high which may cause failure of welding thus reducing its efficiency. Silencer needs to have modes that are located away from the frequencies that the engine operates at, whether the engine be idling or running at the maximum amount of revolutions per second. With the specified properties of the materials, the exhaust system is modeled by using a conventional FEM package. Back pressure needs to be kept minimum. The relationship between noise and back pressure is inversely proportional, lowering the noise level at the tip will result in high back pressure.
Article Details
Unique Paper ID: 144516

Publication Volume & Issue: Volume 3, Issue 12

Page(s): 98 - 103
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