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Spray Characteristics Optimization for Small Motorcycle Engine Using Internal Cylinder Flow Analysis
Published November 05, 2017 by Society of Automotive Engineers of Japan in Japan
This content contains downloadable datasetsAnnotation ability available
In recent times, due to the improvement of internal cylinder flow analysis technology with Computational Fluid Dynamics (CFD), the prediction accuracy of fuel consumption and emission has improved. However, small motorcycles often have complex intake ports which restrict the layout of injectors. Therefore optimization of injection spray to achieve high combustion efficiency and less wall wetting is a challenge. In this study, we predicted fuel consumption and emission performance by the simulation result of air fuel distribution and wall wetting amount with an actual motorcycle engine model. We optimized injector nozzle length, spray angle and spray tip penetration. After the optimization, we evaluated the emission performance and fuel consumption with an actual engine. As a result, we were able to confirm the improvement of fuel consumption and emission performance.
CitationSasaki, Y., Yamaguchi, N., Arioka, A., Komuro, K. et al., "Spray Characteristics Optimization for Small Motorcycle Engine Using Internal Cylinder Flow Analysis," SAE Technical Paper 2017-32-0017, 2017.
Data Sets - Support Documents
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- Tatsuya Ujiie , Hidetoshi Saito , Minoru Ueda , Shunji Akamatsu , Akira Hayashi , Yoshikatsu Nakano Development of fuel injector and Fuel Pump for a Fuel Injection System to use in Small Motorcycles SETC Paper 05P-335
- Daisuke Matsuo , Akihiko Haramai , Kazuhiko Sato , Minoru Ueda Development of a Small Low-cost Fuel INJECTOR to Overcome Diversification of Requirements in Global Markets SETC Paper 20097055
- Mitsutomo Kawahara , Kenichi Saitoh , Kazuhiko Sato Reduction of operation noises of Injector for small motorcycle SETC Paper 20119625
- Junichi Nakamura , Akira Akabane , Kouji Kitamura , Yuzuru Sasaki Improvement of spray characteristics in prot injectors SETC Paper 20129071
- Naoya Ochiai , Jun Ishimoto , Akira Arioka , Nobuhiko Yamaguchi , Yuzuru Sasaki , Nobuyuki Furukawa Integrated Computational Study for Total Atomization Process of Primary Breakup to Spray Droplet Formation in Injector Nozzle SAE Paper 2016-01-2202