NDLI: New approaches to numerical simulation of two-component droplet evaporation

Content Provider	IEEE Xplore Digital Library
Author	Lili Zhang Yanbin Shi
Copyright Year	2013
Description	Author affiliation: Sch. of Mech. Eng., Shandong Polytech. Univ., Jinan, China (Lili Zhang; Yanbin Shi)
Abstract	In order to indicate the droplet evaporating process directly, a new evaporation model for the drying of a single solution droplet into a solid, dense particle is present, taking account of the changing of temperature gradient and concentration gradient. Simulations are made to achieve a more fundamental understanding of the coupled relationship of solvent percentage, droplet specific heat, saturated vapor pressure and solvent diffusion coefficient. According to the moving boundary problem, the numerical method of droplet evaporation is constructed by the mesh-reconstruction technology, and the visualization of the simulation results is realized by Matlab. Taking the evaporation process of water and ammonium nitrate solution for example, the transient variations of drop diameter, inner temperature gradient, inner solute concentration gradient are analyzed under different gas temperature and flow velocity. Model predictions are in good agreement with the experimental data, indicating that the model describes the most important physical phenomena of the evaporating process.
Starting Page	827
Ending Page	830
File Size	235162
Page Count	4
File Format	PDF
ISBN	9781479933358
e-ISBN	9781479933365
DOI	10.1109/ICMREE.2013.6893800
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solvents Visualization Solvent diffusion coefficient Moving boundary Transient change Saturated vapor pressure Simulation Heating Droplet specific heat Solids Numerical models Coupling Mathematical model
Content Type	Text
Resource Type	Article

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