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Near Nozzle Flow and Atomization Characteristics of Biodiesel Fuels
Technical Paper
2017-01-2327
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Fuel atomization and air-fuel mixing processes play a dominant role on engine performance and emission characteristics in a direct injection compression ignition engine. Understanding of microscopic spray characteristics is essential to predict combustion phenomena. The present work investigated near nozzle flow and atomization characteristics of biodiesel fuels in a constant volume chamber. Waste cooking oil, Jatropha, and Karanja biodiesels were applied and the results were compared with those of conventional diesel fuel. The tested fuels were injected by a solenoid injector with a common-rail injection system. A high-speed camera with a long distance microscopic lens was utilized to capture the near nozzle flow. Meanwhile, Sauter mean diameter (SMD) was measured by a phase Doppler particle analyzer to compare atomization characteristics. The experimental results showed that the biodiesels had poor macroscopic spray characteristics showing longer liquid tip penetration length and narrower spray angle than those of diesel. Based on microscopic imaging, biodiesels exhibited longer injection delay and resisted formation of ligaments compared to baseline diesel due to higher viscosity and surface tension. In addition, the estimation of SMD size revealed that biodiesels had larger SMD than that of baseline diesel. The mean injection velocity of biodiesel droplets was smaller than diesel due to higher frictional losses in the nozzle.
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Citation
Hwang, J., Bae, C., Patel, C., Agarwal, A. et al., "Near Nozzle Flow and Atomization Characteristics of Biodiesel Fuels," SAE Technical Paper 2017-01-2327, 2017, https://doi.org/10.4271/2017-01-2327.Data Sets - Support Documents
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References
- Dec , J. A Conceptual Model of DI Diesel Combustion Based on Laser-Sheet Imaging SAE Technical Paper 970873 1997 10.4271/970873
- Lefebvre , H. Atomization and sprays New York Hemisphere Publishing Corporation 1989
- Ejim , C.E. , Fleck , B.A. , and Amirfazli , A. Analytical study for atomization of biodiesels and their blends in a typical injector: Surface tension and viscosity effects Fuel 86 1534 1544 2007
- Canakci , M. Combustion characteristics of a turbocharged DI compression ignition engine fueled with petroleum diesel fuels and biodiesel Bioresource Technology 98 1167 1175 2007
- Kegl , B. Effects of biodiesel on emissions of a bus diesel engine Bioresource Technology 99 863 873 2008
- Agarwal , A.K. Biofuels (alcohols and biodiesel) applications as fuels for internal combustion engines Progress in Energy and Combustion Science 33 233 271 2007
- Lapuerta , M. , Armas O. , and Rodriguez-Fernandez J. Effect of biodiesel fuels on diesel engine emissions Progress in Energy and Combustion Science 34 198 223 2008
- Allen , C. , Watts , K. , Ackman , R. , and Pegg , M. Predicting the viscosity of biodiesel fuels from their fatty acid ester composition Fuel 78 1319 1326 1999
- Allen , C. , Watts , K. , Ackman , R. , and Pegg , M. Predicting the surface tension of biodiesel fuels from their fatty acid ester composition Journal of American Oil Chemists’ Society 76 317 323 1999
- Crua , C. , Heikal , M.R. , and Gold , M.R. Microscopic imaging of the initial stage of diesel spray formation Fuel 157 140 150 2015
- Park , S.H. , Kim , H.J. , Suh , H.K. , and Lee , C.S. A study on the fuel injection and atomization characteristics of soybean oil methyl ester (SME) International Journal of Heat and Fluid Flow 30 108 116 2009
- Elkotb , M.M. Fuel atomization for spray modeling Progress in Energy and Combustion Science 8 61 91 1982
- Hwang , J. , Jung , Y. , and Bae , C. Spray and combustion of waste cooking oil biodiesel in a compression ignition engine International Journal of Engine Research 16 664 679 2015
- Siebers , D. Scaling Liquid-Phase Fuel Penetration in Diesel Sprays Based on Mixing-Limited Vaporization SAE Technical Paper 1999-01-0528 1999 10.4271/1999-01-0528
- Hwang , J. , Bae , C. , and Gupta , T. Application of waste cooking oil (WCO) biodiesel in a compression ignition engine Fuel 176 20 31 2016
- Manin , J. , Bardi , M. , Pickett , L.M. , Dahms , R.N. , and Orfelein , J.C. Microscopic investigation of the atomization and mixing processes of diesel sprays injected into high pressure and temperature environments Fuel 134 531 543 2014
- Tinprabath , P. , Hespel , C. , Chanchaona , S. , and Foucher , F. Influence of Biodiesel and Diesel Fuel Blends on the Injection Rate and Spray Injection in Non-Vaporizing Conditions SAE Technical Paper 2013-24-0032 2013 10.4271/2013-24-0032
- Desantes , J.M. , Payri , R. , Farcia , A. , and Manin , J. Experimental study of biodiesel blends’ effects on diesel injection processes Energy & Fuels 23 3227 3235 2009
- Moon , S. , Tsujimura , T. , Gao , Y. , Park , S. , Wang , K. , Kurimoto , N. , Nishijima , Y. , and Oguma , M. Biodiesel effects on transient needle motion and near-exit flow characteristics of a high-pressure diesel injector International Journal of Engine Research 0 1 15 2013
- Fox , R.W. , McDonald , A.T. , Pritchard , P.J. , and Leylegian , J,C. Fluid mechanics Wiley 8 th 2012
- Fang , R. , Lin , Y.C. , Foong , T.M. , and Lee C.F. Biodiesel combustion in an optical HSDI diesel engine under low load premixed combustion conditions Fuel 88 2154 2162
- Hwang , J. , Qi , D. , Jung , Y. , and Bae , C. Effect of injection parameters on the combustion and emission characteristics in a common-rail direct injection diesel engine fueled with waste cooking oil biodiesel Renewable Energy 63 9 17 2014