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| Tekkaya, A. Erman |
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| Förster, Peter |
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| Mudimu, George T. |
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| Shibata, Lillian Marie |
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| Talabbeydokhti, Nasser |
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| Laffite, Ernesto Dante Rodriguez |
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| Schöpke, Benito |
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| Gobis, Anna |
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| Alfares, Hesham K. |
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| Münzel, Thomas |
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| Joy, Gemini Velleringatt |
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| Oubahman, Laila |
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| Filali, Youssef |
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| Philippi, Paula |
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| George, Alinda |
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| Lucia, Caterina De |
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| Avril, Ludovic |
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| Belachew, Zigyalew Gashaw |
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| Kassens-Noor, Eva | Darmstadt |
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| Cho, Seongchul |
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| Tonne, Cathryn |
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| Hosseinlou, Farhad |
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| Ganvit, Harsh |
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| Schmitt, Konrad Erich Kork |
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| Grimm, Daniel |
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Nallamothu, Anantha Kamal
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2021Emission Characteristics of CSOME in CRDI Diesel Engine with Multiple Injection Strategycitations
- 2021Aerodynamic Analysis of Body of Passenger Bus for CO_2 Reduction and Fuel Saving
- 2021Tractor-Trailer Gap Optimization of a Truck for Reduction of Aerodynamic Dragcitations
- 2021Design and Analysis of Composite Drive Shaft for Rear-Wheel-Drive Vehiclecitations
- 2021Computational Evaluation of Aerodynamic Performance of Isuzu Midi Bus Body
- 2021Design and Analysis of Zero Turning Radius Steering System for Light Vehicles (Bajaj QUTE)
- 2021Improvement of Structure and Body of Three-Wheeler Vehicle
- 2021Reduction of Noise Emission from Minidor Three Wheeler with Effective Novel Muffler
- 2021Improving Frontal Body Shape of Locally Built FSR Isuzu Bus for Reduction of Aerodynamic Resistance
- 2021Design Improvement of MacPherson Strut Suspension System for Lighter Vehicle
- 2019Effect of dwell period between main and pre injection on NOx and smoke emission from CRDI diesel engine fueled with Biodiesel blend
- 2019Effect of injection timing in multiple injections on NOx and smoke from CRDI diesel engine fueled with biodiesel blend
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document
Reduction of Noise Emission from Minidor Three Wheeler with Effective Novel Muffler
Abstract
Internal combustion (IC) engines generate higher acoustic pulse due to combustion process. In order to minimize the acoustic pulse to certain level, IC engine use muffler in the exhaust system. Thus, the exhaust gas with reduced sound pressure gets released to the surrounding passing through the exhaust pipe. Inefficient muffler design causes sound pollution, vibration to vehicle components, increase in back pressure to the engine, and increases toxic exhaust gas emission to the environment. In this research work specific vehicle was considered which releases higher sound pressure. For the effectiveness of the work data was gathered from passengers and drivers to know what they feel and suggest about the sound emission of this vehicle. The goal of this research was to improve the acoustic performance of a given vehicle by modifying the geometry of existing muffler components. Muffler modification was done based on transmission loss prediction, prototype manufacturing, and testing experimentally. A part modelling was done by using Auto CAD tool. The design was analyzed and prediction of muffler performance was done using COMSOL Multiphysics simulation. From the result of the simulation, it was shown that the modified model has increased transmission loss by an average of 3.2 dB with little increase in back pressure, which is acceptable. The sound pressure level at the exit of the existing and manufactured muffler was measured experimentally and the modified muffler gives about 2 dB sound reduction at idling and 3.7 dB at full throttle position.
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