A numerical investigation of evaporation characteristics of a fuel droplet suspended from a thermocouple |
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| Authors: | Takuji Harada Hirotatsu Watanabe Yoshiyuki Suzuki Haruyuki Kamata Yohsuke Matsushita Hideyuki Aoki Takatoshi Miura |
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| Affiliation: | 1. Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA;2. NASA Glenn Research Center, Combustion and Reacting Systems Branch, Cleveland, OH 44135, USA;1. Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, 116024, P.R. China;2. Liaoning Key Laboratory of Clean Utilization of Chemical Resource, Institute of Chemical Engineering, Dalian University of Technology, Dalian 116024, P.R. China |
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| Abstract: | ![]()
Numerical simulations of combined natural convection–conduction in a droplet of n-dodecane suspended from a thermocouple were carried out, taking into consideration evaporation, and the effect of thermocouple diameter on the evaporation characteristics was investigated. The calculated temperature history of the droplet is in good agreement with experimental results; both show that the rate of heating decreases with increasing thermocouple diameter. The maximum error in temperature due to the thermocouple increases linearly with increasing thermocouple diameter. Thus, in investigations involving a droplet suspended from a thermocouple, it is preferable to use a thermocouple with the smallest possible diameter. |
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