The effects of variable thermo-physical properties on droplet evaporation in high temperature convective flow environment
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Keywords:
evaporation
heat transfer
mass transfer
thermos-physical properties
average temperature
Abstract
Evaporation of fuel droplets in a convective environment has significant applications in several energy systems, for example in internal combustion engines. Appropriate estimation of evaporation rate is critical in predicting performance of the system, which involves computation of the relevant heat and mass transfer terms. All of these terms are sensitive to the physical properties of the phases and affected by the transient variation of the corresponding phase temperature. In the present study, effects of temperature dependent thermal-physical properties of both liquid and gas phases on the evaporation behaviour of the droplet are investigated using a previously reported vaporization model (Nguyen et al., 2015) and compared with the available experimental data. Analysis shows that in a high temperature ambiance, use of temperature dependent thermal-physical properties for the gas phase and constant properties at an average temperature for the liquid phase produce the best agreement with experimental data.
References
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Published
Jun 30, 2016
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How to Cite
Nguyen Thi Bang Tuyen, Subhasish Mitra, Duong Viet Dung, Nguyen Vo Dao, G.M. Evans. “The Effects of Variable Thermo-Physical Properties on Droplet Evaporation in High Temperature Convective Flow Environment”. The University of Danang - Journal of Science and Technology, vol. 6, no. 103, June 2016, pp. 21-24, https://jst-ud.vn/jst-ud/article/view/3588.
