Correction of the shear-stress-transfer model with account of the curvature of streamlines in calculating separated flows of an incompressible viscous fluid

SA Isaev, PA Baranov, YV Zhukova… - Journal of Engineering …, 2014 - Springer
The necessity of correcting differential semiempirical turbulence models to calculate
circulating flows of an incompressible viscous fluid is discussed. Approaches to taking …

Influence of the Reynolds number and the spherical dimple depth on turbulent heat transfer and hydraulic loss in a narrow channel

SA Isaev, NV Kornev, AI Leontiev, E Hassel - International Journal of Heat …, 2010 - Elsevier
The paper presents detailed numerical study of heat transfer enhancement by a spherical
dimple placed on a wall in a narrow channel. RANS approach with MSST model is applied …

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 …

NT Vortex enhancement of heat transfer and flow in the narrow channel with a dense packing of inclined one-row oval-trench dimples

SA Isaev, MS Gritckevich, AI Leontiev… - International Journal of …, 2019 - Elsevier
In the present study it is found that enhancement of air turbulent flow and heat transfer at
Re= 10 4 is influenced by a set of one-row oval-trench dimples of depth 0.25 inclined at an …

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 …

Vortex heat transfer enhancement in narrow channels with a single oval-trench dimple oriented at different angles to the flow

SA Isaev, AI Leontiev, Y Chudnovsky… - Journal of Enhanced …, 2018 - dl.begellhouse.com
There are many passive techniques of heat transfer enhancement; however, only a few of
them are capable of providing a reliable increase in a heat transfer rate exceeding an …

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 …

Standard and modified SST models with the consideration of the streamline curvature for separated flow calculation in a narrow channel with a conical dimple on the …

S Isaev, D Nikushchenko, A Sudakov, N Tryaskin… - Energies, 2021 - mdpi.com
The testing of the standard and modified SST models of the transfer of shear stresses was
carried out on an example of calculating the heat transfer with an intense detached flow …

[PDF][PDF] Коррекция модели переноса сдвиговых напряжений с учетом кривизны линий тока при расчете отрывных течений несжимаемой вязкой жидкости

СА Исаев, ПА Баранов, ЮВ Жукова… - Журнал основан в …, 1958 - researchgate.net
Обсуждается необходимость введения коррекции дифференциальных
полуэмпирических моделей турбулентности для расчета циркуляционных течений …