Dmitriy Feoktistov
Tomsk Polytechnic University
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Featured researches published by Dmitriy Feoktistov.
Thermophysics and Aeromechanics | 2016
G. V. Kuznetsov; Dmitriy Feoktistov; Evgeniya Orlova
The results of study of evaporation of water droplets and NaCl salt solution from a solid substrate made of anodized aluminum are presented in this paper. The experiment provides the parameters describing the droplet profile: contact spot diameter, contact angle, and droplet height. The specific rate of evaporation was calculated from the experimental data. The water droplets or brine droplets with concentration up to 9.1 % demonstrate evaporation with the pinning mode for the contact line. When the salt concentration in the brine is taken up to 16.7 %, the droplet spreading mode was observed. Two stages of droplet evaporation are distinguished as a function of phase transition rate.
Colloid Journal | 2016
G. V. Kuznetsov; Dmitriy Feoktistov; Evgenija Orlova; Kseniya Batishcheva
Distilled water droplet evaporation has been studied on copper substrate surfaces with different degrees of roughness. Data on variations in the contact diameter have been employed to distinguish between the regimes of distilled water droplet spreading over the copper surfaces that proceed after the viscous regime. For each isolated regime, the duration has been determined as a fraction of the total evaporation time and the main physical processes have been described. Variations in contact angles have been analyzed as depending on copper surface temperature. It has been established that, as the substrate temperature is elevated, wetting becomes better, while the adhesion work remains almost unchanged, thereby indicating the absence of chemical and structural transformations at the liquid–substrate interface.
EPJ Web of Conferences | 2015
Evgenija Orlova; Dmitriy Feoktistov; G. V. Kuznetsov
MATEC Web of Conferences | 2014
Ksenia A. Batischeva; Evgenija Orlova; Dmitriy Feoktistov
EPJ Web of Conferences | 2014
Evgenija Orlova; G. V. Kuznetsov; Dmitriy Feoktistov
EPJ Web of Conferences | 2015
Ilya Afanasyev; Evgenija Orlova; Dmitriy Feoktistov
EPJ Web of Conferences | 2015
Ksenia A. Batischeva; Evgenija Orlova; Dmitriy Feoktistov
MATEC Web of Conferences | 2016
Evgeniya Orlova; Ekaterina R. Malyhina; Dmitriy Feoktistov; Larisa.S. Zhidkova
MATEC Web of Conferences | 2017
Kseniya Batishcheva; Dmitriy Feoktistov; Yuliya Shanenkova; Ekaterina Kirichenko
Procedia - Social and Behavioral Sciences | 2015
Dmitriy Feoktistov; Irina Sharapova; Evgeniya Orlova; Konstantin Ponomarev