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Viktor Grishaev

Professor: Iskander Akhatov

Viktor studies the drop impact of suspensions on substrates in a wide range of conditions associated with additive manufacturing and other technologies. He tries to understand the influence of solid particles on drop impact phenomena. Also, he investigates nanobubbles at liquid-solid interfaces in the collaboration with the Bashkir State University.

Viktor graduated from Novosibirsk State University with a Master’s degree in Physics in 2007.  During his studies at the university and postgraduate studies at the Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences, he participated in the development of electron spin-polarization detector with angle and energy resolution. In 2010, Viktor continued studies at Université Libre de Bruxelles (ULB). At ULB, he worked on the prevention of liquid spilling under weightlessness for scientific experiments conducted by European Space Agency. He also investigated the impact of particle-laden drops on surface with different wettability. The study of drop impact became the base of his doctoral thesis defended in 2015.

1. Drop impact of suspensions on substrates
The drop impact of suspensions on substrates is relevant to many technologies, for example, to printed electronics, additive manufacturing, spraying of liquid friction modifiers, and plasma coating technology. These technologies can benefit from a better understanding the influence of solid particles on impact phenomena. So, this project will experimentally study the drop impact of suspensions on substrates in a wide range of conditions associated with above mentioned technologies.

2. Study of Nanobubbles at Liquid-Solid Interfaces
Nanobubbles at a liquid-solid interface are interesting from the viewpoint of physics and applications. From known physics laws, nanobubbles must collapse within microseconds under the action of huge Laplace pressure but they exist during days. By understanding the fundamental laws of the formation and stability of nanobubbles, we can suggest methods of their preparation and management for different applications such as cleaning computer chips, reviving polluted water bodies, etc.


  1. Buffone, C.; Grishaev, V.; Glushchuk, A. Experimental investigation of cyclone evaporator of perfectly wetting liquids in a condensation test cell under variable gravity condition. Applied Thermal Engineering, 99, 235-243, 2016.
  2.  Grishaev, V.; Iorio, C.S.; Dubois, F.; Amirfazli, A. Complex Drop Impact Morphology. Langmuir, 31 (36), 9833–9844, 2015.
  3.  Grishaev, V., Amirfazli, A., Chikov, A., Lyulin, Y., Kabov, O.: Study of Edge Effect to Stop Liquid Spillage for Microgravity Application. Microgravity Science and Technology, 25, 27‐33, 2013.
  4.  Alperovich, V.L.; Orlov, D.A.; Grishaev, V.G.; Kosolobov, S.N.; Jaroshevich, A.S.; Scheibler, H.E.; Terekhov, A.S. Compact vacuum tubes with GaAs(Cs,O) photocathodes for studying spin-dependent phenomena (invited paper). Proceedings of SPIE, 7398, 739818, 2009.

Master of Physics (Novosibirsk State University)

PhD (Université libre de Bruxelles)

Fluid dynamics

Drop impact phenomena

Wetting phenomena