Abstract
Changes in the composition of groups of droplets (sprays) emitted by a drop of water with a diameter of D = 0.42 cm at a velocity of U = 3.3 m/s falling into a crucible with a metal melt (Rose alloy at a temperature of 200°C) are traced by photo and video recording for the first time. In the splash formation mode, groups of small water droplets are successively ejected from the tops of the spikes on the veil around the primary contact area and then from the spikes at the rim of the spreading layer. Further, water droplets fly out vertically and obliquely from the tops of short jets, the streamers. Groups of small droplets are formed when large bubbles burst. After a splash has been formed and its top with suspended gas bubbles has been detached, an emission of compound droplets consisting of a metal core and a water envelope is observed. At the last stage, in addition to water streamers, rarer streamers consisting of a melt alloy are observed and metal droplets fly out from the tops of the streamers. The geometry of the cavity and the layer of boiling water of the spreading drop is traced.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
REFERENCES
A. Worthington, The Splash of the Drop (E. and J.B. Young, New York, 1895).
G. Liang and I. Mudawar, Int. J. Heat Mass Transfer 101, 577 (2016).
A. Prosperetti and H. N. Oguz, Ann. Rev. Fluid Mech. 25, 577 (1993).
S. T. Thoroddsen, T. G. Etoh, and K. Takehara, Ann. Rev. Fluid Mech. 40, 257 (2008).
B. Ray, G. Biswas, and A. Sharma, J. Fluid Mech. 768, 492 (2015).
Yu. D. Chashechkin and A. Yu. Ilinykh, Dokl. Phys. 65, 366 (2020).
H. Ma, C. Liu, H. Li, H. Huang, and J. Dong, Phys. Fluids 31, 062108 (2019).
Yu. D. Chashechkin, Bull. Russ. Acad. Sci.: Phys. 55, 285 (2019).
H.-S. Wang, X.-D. Zhao, and Y. Zhang, J. Fire Sci. 27, 545 (2009).
M. Z. Kaudze and O. A. Lielauses, Magn. Gidrodin. 1, 37 (1984).
H. Li, S. Mei, L. Wang, Y. Gao, and J. Liu, J. Heat Fluid Flow 47, 1 (2014).
Q. Xu, E. Brown, and H. M. Jaeger, Phys. Rev. 87, 043012 (2013).
D. W. Ren, S. Wu, J. C. Yang, and M. J. Ni, Phys. Fluids 32, 053311 (2020).
S. E. Yakush, Y. D. Chashechkin, A. Y. Ilinykh, and V. A. Usanov, Appl. Sci. 1, 909 (2021).
URI HPhC IPMech RAS. http://www.ipmnet.ru/uniqequip/gfk/#equip.
ACKNOWLEDGMENTS
These experiments were performed on the stands of the Unique Research Installations of the Hydrophysical Complex, Ishlinsky Institute for Problems in Mechanics RAS.
Funding
This study was supported by the Russian Science Foundation (Yu.D. Chashechkin and A.Yu. Ilinykh, project no. 19-19-00598, and S.E. Yakush, project no. 18-19-00289).
Author information
Authors and Affiliations
Contributions
Discussion of formulation, planning and management of experiment, analysis of results, review, and editing, Yu.D. Chashechkin; preparation of the facility, conduction of experiments, data processing, and original draft preparation, A.Yu. Ilinykh; and discussion of formulation, methodology, and results, review, and editing, S.E. Yakush.
Corresponding authors
Additional information
Translated by E. Oborin
Rights and permissions
About this article
Cite this article
Chashechkin, Y.D., Yakush, S.E. & Ilinykh, A.Y. Groups of Sprays from the Impact of a Water Drop Falling Freely into a Melted Metal. Dokl. Phys. 66, 164–168 (2021). https://doi.org/10.1134/S1028335821060033
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S1028335821060033