Vortex heat transfer enhancement in the narrow plane-parallel channel with the oval-trench dimple of fixed depth and spot area

SA Isaev, AV Schelchkov, AI Leontiev… - International Journal of …, 2017 - Elsevier
The article is devoted to the analysis of vortex heat transfer enhancement due to the use of
oval-trench dimples. The main role in the understanding of this process is associated with …

Influence of the depth of single-row oval-trench dimples inclined to laminar air flow on heat transfer enhancement in a narrow micro-channel

SA Isaev, AI Leontiev, OO Milman, IA Popov… - International Journal of …, 2019 - Elsevier
Enhancement of heat transfer in laminar air flow in narrow channels, whose walls are
provided with regularly spaced single-row inclined oval-trench dimples, is associated with …

Numerical simulation of the turbulent air flow in the narrow channel with a heated wall and a spherical dimple placed on it for vortex heat transfer enhancement …

SA Isaev, AV Schelchkov, AI Leontiev… - International Journal of …, 2016 - Elsevier
Numerical study is made of heat transfer enhancement in the narrow channel with insulated
walls in air steady flow around a heated spherical dimple, when its relative depth is varied …

Genesis of anomalous intensification of separation flow and heat transfer in inclined grooves on structured surfaces

SA Isaev - Fluid Dynamics, 2022 - Springer
The evolution of scientific direction devoted to vortex heat transfer enhancement on the
energy-efficient surfaces structured by dimples is reviewed. The discovered phenomenon of …

Experience of application of SST-model-2003 with correction on streamline curvature according to Rodi-Leshziner-Isaev approach for (U) RANS calculations of …

SA Isaev - AIP Conference Proceedings, 2018 - pubs.aip.org
The solution of the Reynolds-averaged Navier-Stokes equations (RANS) remains one of the
effective tools for the numerical modeling of turbulent flows, especially in the field of …

Intensification of heat exchange in laminar vortex air flow in a narrow channel with a row of inclined oval trenches

SA Isaev, AI Leont'ev, OO Mil'man, AG Sudakov… - Journal of Engineering …, 2018 - Springer
With the use of multiblock computational technologies, the laminar flow and heat exchange
in the modules arranged in a row at regular intervals in a plane-parallel channel, at the …

Visualization of a flow in a spherical dimple built in the lower wall of the rectangular-section channel of a water tunnel and numerical identification of the vortex-jet …

SA Isaev, AS Guzeev, SZ Sapozhnikov… - Journal of Engineering …, 2015 - Springer
Numerical and physical simulations of a laminar separation flow over a single spherical
dimple built in the lower wall of the rectangular-section plane-parallel channel of a water …

Reconstruction of the vortex-jet structure of the separation turbulent flow in a spherical dimple on the wall of a narrow channel with increase in the depth of the dimple …

SA Isaev, AI Leont′ ev, AV Shchelchkov… - Journal of Engineering …, 2015 - Springer
On the basis of an analysis of the reconstruction of the vortex-jet structure of the completely
developed turbulent flow of an incompressible fluid in a spherical dimple on the wall of a …

Vortex heat transfer enhancement in dimpled channels

A Leontiev, SA Isaev, N Kornev… - International Heat …, 2014 - dl.begellhouse.com
There are many passive techniques of heat transfer enhancement ranging from surface (2D)
to volumetric (3D) vortex generators and turbulizing elements, however only a few of them …

Численное моделирование смерчевой интенсификации теплообмена в узком канале с овальными лунками на нагретой стенке при прокачке воды

С Исаев, А Леонтьев, М Гульцова… - Modern Science …, 2013 - chiffa.org
Анализируется генезис, состояние и перспективы вихревой интенсификации
теплообмена (ВИТ) лунками. Важная роль в понимании генезиса и эволюции этого ВИТ …