Abstract
There are two stages for a sessile droplet evaporation on the solid substrate, one is the “constant contact radius” (CR) mode, the other is the “constant contact angle” (CA) mode. In this paper, the theoretical model is built up for sessile droplet evaporation for the two modes, the lifetime of evaporating droplet is obtained under different initial contact radius, initial contact angle and critical contact angle for mode transition. It is found that in the CR mode, the variation of initial contact angle is nonlinear with the time. For both CR and CA modes the lifetime is proportional to R20 (R0 is the initial contact radius of droplet) for two modes. When the critical contact angle for mode transition from CR to CA is increased, the lifetime for CR mode is decreased while the lifetime for CA mode is increased, and the overall lifetime is also increased. This result may be of great significance for sessile droplet evaporation.
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Dear Editors:
We would like to submit the enclosed manuscript entitled “Theoretical Analysis On The Lifetime Of Sessile Droplet Evaporation”, which we wish to be considered for publication in one of Springer’s proceedings series. No conflict of interest exits in the submission of this manuscript, and manuscript is approved by all authors for publication. I would like to declare on behalf of my co-authors that the work described was original research that has not been published previously, and not under consideration for publication elsewhere, in whole or in part. All the authors listed have approved the manuscript that is enclosed.
Sincerely yours
Yongpan Cheng, Professor
Beijing Key Laboratory of Multiphase Flow and Heat Transfer for Low Grade Energy
North China Electric Power University, Beijing, 102206, China
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Shen, Y., Cheng, Y., Xu, J., Zhang, K. (2020). Theoretical Analysis on the Lifetime of Sessile Droplet Evaporation. In: Okada, H., Atluri, S. (eds) Computational and Experimental Simulations in Engineering. ICCES 2019. Mechanisms and Machine Science, vol 75. Springer, Cham. https://doi.org/10.1007/978-3-030-27053-7_78
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DOI: https://doi.org/10.1007/978-3-030-27053-7_78
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