The evaporation of sessile drop has a wide range of application that includes printing, washing, cooling, and coating. Due to the complex nature of drop evaporation process, this phenomenon is reliant on several parameters such as ambiance and physiochemical properties of liquid and surface. In the present study, a mathematical model of water droplet evaporation on an engineered aluminum surface is developed. Experimental study is carried out for the validation of code. The data obtained from the simulation is validated against the data obtained from an experimental study as well as the data available in the literature and good agreement was found among them. Post-validation, the effect of surface wettability and environment conditions on a droplet evaporation rate is estimated. It is inferred from the outcomes that the temperature at the apex of the drop varies linearly with the increasing relative humidity. Droplet volume has a significant impact on the evaporation rate and comparatively higher evaporative flux for a smaller volume of the drop with large contact angles. This unveils the possibility of achieving the required evaporation rate by controlling surface wettability and relative humidity conditions near the drop.
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December 2019
Research-Article
Modeling of Sessile Droplet Evaporation on Engineered Surfaces
Jyoti Prakash,
Jyoti Prakash
Department of Mechanical Engineering,
Uttar Pradesh, Noida,
e-mail: jprakash@amity.edu
Amity University
,Uttar Pradesh, Noida,
India
e-mail: jprakash@amity.edu
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Basant Singh Sikarwar
Basant Singh Sikarwar
1
Department of Mechanical Engineering,
Uttar Pradesh, Noida,
e-mail: bssikarwar@amity.edu
Amity University
,Uttar Pradesh, Noida,
India
e-mail: bssikarwar@amity.edu
1Corresponding author.
Search for other works by this author on:
Jyoti Prakash
Department of Mechanical Engineering,
Uttar Pradesh, Noida,
e-mail: jprakash@amity.edu
Amity University
,Uttar Pradesh, Noida,
India
e-mail: jprakash@amity.edu
Basant Singh Sikarwar
Department of Mechanical Engineering,
Uttar Pradesh, Noida,
e-mail: bssikarwar@amity.edu
Amity University
,Uttar Pradesh, Noida,
India
e-mail: bssikarwar@amity.edu
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the Journal of Thermal Science and Engineering Applications. Manuscript received October 17, 2018; final manuscript received March 3, 2019; published online May 3, 2019. Assoc. Editor: Gerard F. Jones.
J. Thermal Sci. Eng. Appl. Dec 2019, 11(6): 061005 (9 pages)
Published Online: May 3, 2019
Article history
Received:
October 17, 2018
Revision Received:
March 3, 2019
Accepted:
March 4, 2019
Citation
Prakash, J., and Sikarwar, B. S. (May 3, 2019). "Modeling of Sessile Droplet Evaporation on Engineered Surfaces." ASME. J. Thermal Sci. Eng. Appl. December 2019; 11(6): 061005. https://doi.org/10.1115/1.4043093
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