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Experimental study on the intrusion and stratification produced by confined laminar and turbulent round fountains

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 89 ()

In this paper, high-speed cameras and flow visualization techniques are used to investigate the behavior of the 'fountain filling box' flow resulted f......

An iterative machine-learning framework for RANS turbulence modeling

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 90 ()

Machine-learning (ML) techniques provide a new and encouraging perspective for constructing turbulence models for Reynolds-averaged Navier-Stokes (RAN......

The uniform-momentum zones and internal shear layers in turbulent pipe flows at Reynolds numbers up to Re Tau=1000

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 90 ()

The statistical characteristics of the internal shear layers (ISL) and the coherent structures around the ISLs in turbulent pipe flows are examined us......

Electro-thermo-convection in a differentially heated square cavity under arbitrary unipolar injection of ions

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 89 ()

A numerical investigation of electro-thermo-convection in a 2 -D differentially heated square cavity filled with a dielectric liquid is presented. Ful......

Dynamics of the jet flow issued from a lobed Nozzle: Tomographic particle image velocimetry measurements

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 89 ()

This study focuses on the dynamics of the three-dimensional jet flow issued from a lobed nozzle. Flow field measurements were performed using a split-......

A CFD model of frost formation based on dynamic meshes technique via secondary development of ANSYS fluent

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 89 ()

To simulate the non-uniform frost growth in flow direction for humid air flowing through a freezing channel, a 2D numerical frosting model based on dy......

Impact of vacuum degree on the aerodynamics of a high-speed train capsule running in a tube

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 88 ()

Motivated by the growing scientific and engineering interest in evacuated tube railway transportation systems, in this paper we numerically study the ......

A hybrid immersed boundary/wall-model approach for large-eddy simulation of high-Reynolds-number turbulent flows

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 88 ()

We propose an improved hybrid immersed boundary (IB)/wall-model approach for high-Reynolds-number large-eddy simulations (LES). A preliminary test sho......

Non-equilibrium wall functions for large Eddy simulations of complex turbulent flows and heat transfer

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2021; 88 ()

In this paper novel unified wall function formulations for large eddy simulation of complex turbulent flows and heat transfer are presented. In contra......

Numerical study of mechanisms of air-core vortex evolution in an intake flow

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2020; 81 ()

The mechanism of the generation and evolution of the air-core vortex formed between a free surface and a horizontal flow intake is investigated using ......

A study on thrombus influenced red blood cell flow in microvasculature using moving particle semi-implicit method

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2020; 81 ()

Microvasculature plays a decisive role on the normal operation of the human body. Previous studies have shown that the causes of microvascular hemolyt......

Predicting crossflow induced transition with laminar kinetic energy transition model

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2020; 81 ()

The hypersonic laminar kinetic energy transition model is developed to be appropriate for crossflow induced boundary layer transition prediction. A cr......

Mixing characteristics of a film-exciting flapping jet

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2020; 82 ()

We have recently discovered a new type of self-excited flapping jets due to a flexible film whose leading edge is fixed at the nozzle exit [Exp Ther F......

Wakes of elliptical cylinders at low Reynolds number

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2020; 82 ()

The wakes of elliptical cylinders are numerically investigated at a Reynolds number Re-D = 150. ANSYS-Fluent, based on the finite volume method, is us......

Large eddy simulation of high pressure spray with the focus on injection pressure

期刊: INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW, 2020; 82 ()

This paper presents a detailed numerical analysis of diesel engine spray structure induced by the Engine Combustion Network (ECN) Spray A at different......

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