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U. Mohite, N. Bhatia, P. Bhavsar (2015)
An Approach for Prediction of Motorcycle Engine Noise under Combustion Load
TE C H N O LO G Y SI M U L ATIO N SIMULATION FOR ACOUSTIC ANALYSIS FOR OPTIMAL MOTORCYCLE DESIGN There is growing demand for high-end luxury motorcycles in India. From the 773 luxury bikes sold in India dur- ing 2011-12, sales rose to around 9,120 units in 2014-15. Mahindra Two-Wheelers saw the opportunity in this segment, and launched a new ‘tourer’ motorcycle called the Mojo. For a high-end luxury motorcycle, low engine noise is an important attribute both from a regulatory and a customer’s point of view. The team at Mahindra turned to multiphysics simulation from COMSOL to modify their muffler design to meet such demands. To study the NVH performance of intake ings through bearings that radiate noise. waves with little or no numerical reflec- and exhaust systems in its bikes, Mahin- Noise radiated from an engine under com- tions. They also applied a normal acceler- dra Two-Wheelers has been using COM- bustion excitations is dominant in the fre- ation boundary condition resulting from SOL Multiphysics® software. Both intake quency range 800 Hz to 2,000 Hz. As the vibration analysis to the boundaries of and exhaust noise are one of the major such, this is
Auto Tech Review – Springer Journals
Published: Feb 14, 2017
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