DESIGN OF EXHAUST SILENCER MUFFLER FOR TRANSMISSION LOSSES WITH THE PERFORMANCE OF A FOUR STROKE DIESEL ENGINE WITH AND WITHOUT MUFFLER SECTION

The environment affected inherent drawback from IC engines is concerned to the major mankind of exhaust noise pollution and air pollution. However the exhaust noise can't be identified, but the human being affected by without destiny. This paper decided to done the research work depend on the noise pollution for optimum design and construction of the muffler and internal sections. The muffler section has changed but back pressure replied to the engine, might increased and hampered to the engine. The present work done by improving the thermal efficiency and improved the combustion efficiency by exhaust silencer. In addition that, the performance test and engine efficiency results were compared with existed method in term of brake thermal efficiency and brake specific fuel consumption, temperature measurement of engine performance and drop of pressure measurement these drop of pressure and temperature measurements are observed.