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Characterizing flash boiling sprays of E10 gasoline from a high-pressure gasoline multi-hole injector
Technical Paper
2019-01-2249
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Flash boiling, as a potential way to achieve good atomization at low cost, is of great interest to researchers. A customized wide-angle multi-hole gasoline injector was utilized in this work to see how commercial E10 gasoline spray behaves at high injection pressure of gasoline compression ignition (GCI) application from 5 MPa to 45 MPa, and ambient gas pressure from 3 kPa to 300 kPa . A diffused back illumination technique was implemented to visualize the spray at flash boiling and non-flashing conditions. Three different types of spray pattern were observed and correlated to the characteristics like penetration length and spray width. A new parameter, namely optical thickness, was applied in the field of characterizing flash boiling effect for the first time, and compared with widely used penetration length and spray width. Optical thickness was found to be a good indicator for collapse, transition, and non-flashing spray.
Authors
- Jianguo Du - Clean Combustion Research Center, King Abdullah University o
- Balaji Mohan - Clean Combustion Research Center, King Abdullah University o
- Jaeheon Sim - Fuel Technology Division, R&DC, Saudi Aramco, Dhahran, E
- Junseok Chang - Fuel Technology Division, R&DC, Saudi Aramco, Dhahran, E
- Tiegang Fang - Department of Mechanical and Aerospace Engineering, North Ca
- William L Roberts - Clean Combustion Research Center, King Abdullah University o
Citation
Du, J., Mohan, B., Sim, J., Chang, J. et al., "Characterizing flash boiling sprays of E10 gasoline from a high-pressure gasoline multi-hole injector," SAE Technical Paper 2019-01-2249, 2019, https://doi.org/10.4271/2019-01-2249.Data Sets - Support Documents
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