Experimental Analysis on Temperature Variation of Exhaust Gases in Reflective Muffler

Abstract

Mufflers are used in wide variety of application. In automobile industries its use is to reduce the noise, temperature, back pressure and harshness of exhaust gases. Upgrading in emission norms and reduce the environmental problems like noise pollution makes a hard venture to layout the excessive overall performance and efficient mufflers for every automobile. To fulfil the requirement, empirical, analytical, and numerical techniques had been used. Value and efficient gas performance are some other crucial parameter for the method designer to supply a muffler that may meet the emission requirements. Noise from engines is one of the important factors for high noise pollution, as the number of vehicles increases every day. Several theories and equipment have been developed to reduce the problem in last few years. Diesel engines are noisier as compared with gasoline engines because the combustion of diesel engines produces extra harmonics than slower combustion of gasoline. Exhaust noise of fuel engine without muffler is within the variety between ninety to 100 decibels whilst the diesel engine without mufflers degrees among a hundred to 125 decibels.