A
Aleksandr Evguenyevich Usachov
Researcher at Saint Petersburg State University
Publications - 6
Citations - 50
Aleksandr Evguenyevich Usachov is an academic researcher from Saint Petersburg State University. The author has contributed to research in topics: Vortex & Airfoil. The author has an hindex of 3, co-authored 6 publications receiving 44 citations.
Papers
More filters
Journal ArticleDOI
Numerical Simulation of Vortex Heat Transfer Enhancement in Transformer Oil Flow in a Channel with One-Row Spherical Dimples
S. A. Isaev,Alexander I. Leontiev,Yu. V. Zhukova,P. A. Baranov,M. A. Gotovskii,Aleksandr Evguenyevich Usachov +5 more
Journal ArticleDOI
Analysis of thermohydraulic efficiency increase during transformer oil flow in a minichannel with a single-row package of spherical and oval dimples at a heated wall
TL;DR: In this article, the physical mechanism of the intensification of heat exchange in a minichannel with dimple vortex generators at the heated wall during transformer oil circulation was analyzed based on solving the Navier-Stokes and energy equations by a factored finite-volume method.
Journal ArticleDOI
Simulation of periodic vortical structures in the airfoil wake
P. A. Baranov,S. V. Guvernyuk,S. A. Isaev,Aleksandr Grigoryevich Soudakov,Aleksandr Evguenyevich Usachov +4 more
TL;DR: In this article, an unsteady flow around a NACA 0012 airfoil at a fixed Reynolds number of 40,000 is performed using several multi-block overlapping grids of different scales and densities, which cover settlement areas of various extents, including the near and far wakes.
Journal ArticleDOI
Modeling an increase in the lift and aerodynamic efficiency of a thick Göttingen airfoil with optimum arrangement
TL;DR: In this article, the Menter shear-stress-transfer model was numerically solved jointly with the energy equation, and the obtained solution was used to calculate subsonic flow (at M = 0.05 and 5° angle of attack) past a thick (24% chord) Gottingen airfoil.
Journal ArticleDOI
Numerical analysis of the influence of the compressibility of a viscous gas on its turbulent flow around a cylinder with a circular vortex cell
TL;DR: In this article, the influence of the compressibility of a viscous gas flowing around a cylinder with a circular cell on the mechanism of decreasing the drag of the cylinder by suction of air through the withdrawing slot channel in the cell was estimated based on the solution of the stationary Reynolds equations closed using the model of shear-stress transfer, the continuity equations, the energy equation, and the equation of state.