Experimental Study of Evaporation Characteristics of Acoustically Levitated Fuel Droplets at High Temperatures

Bin Pang (), Guangcan Yang, Xiaoxin Liu (), Yu Huang, Wanli Li, Yongqing He, Zhongyuan Shi, Zhaochu Yang () and Tao Dong
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Bin Pang: State Key Laboratory of Engine and Powertrain System, Weifang 261061, China
Guangcan Yang: Chongqing Key Laboratory of Micro-Nano Systems and Intelligent Transduction, Chongqing Technology and Business University, Chongqing 400067, China
Xiaoxin Liu: State Key Laboratory of Engine and Powertrain System, Weifang 261061, China
Yu Huang: Chongqing Key Laboratory of Micro-Nano Systems and Intelligent Transduction, Chongqing Technology and Business University, Chongqing 400067, China
Wanli Li: State Key Laboratory of Engine and Powertrain System, Weifang 261061, China
Yongqing He: Chongqing Key Laboratory of Micro-Nano Systems and Intelligent Transduction, Chongqing Technology and Business University, Chongqing 400067, China
Zhongyuan Shi: Chongqing Key Laboratory of Micro-Nano Systems and Intelligent Transduction, Chongqing Technology and Business University, Chongqing 400067, China
Zhaochu Yang: Chongqing Key Laboratory of Micro-Nano Systems and Intelligent Transduction, Chongqing Technology and Business University, Chongqing 400067, China
Tao Dong: Department of Microsystems, Faculty of Natural Sciences, Technologies, and Marine Studies, University of South-Eastern Norway, 3184 Horten, Norway

Energies, 2024, vol. 17, issue 1, 1-13

Abstract: Examining fuel droplet evaporation is crucial for enhancing fuel engine efficiency, conserving energy, and reducing emissions. This study utilizes experimental methods involving ultrasonic standing wave levitation and high-speed cameras to investigate the impact of temperatures and droplet properties, including initial diameter and composition, on the evaporation process. The evaporation behaviors of fuel droplets, like hexadecane and diesel, are documented across a temperature spectrum spanning 150 °C to 550 °C, with an initial droplet equivalent diameter ranging from 0.10 to 0.30 mm. The evaporation rate positively correlates with temperature and may vary by 15% to 71% between hexadecane and diesel droplets.

Keywords: fuel droplet evaporation; high temperature; acoustical levitation; initial diameter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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