International Journal of Numerical Methods for Heat & Fluid Flow: Volume 32 Issue 4

Guest editorial: turbulent flows in aerodynamics applications

Abderrahmane Baïri, Bruno Chanetz, Jean Delery

Interaction and acoustics of separated flows from a D-shaped bluff body

Guangyuan Huang, Ka Him Seid, Zhigang Yang, Randolph Chi Kin Leung

For flow around elongated bluff bodies, flow separations would occur over both leading and trailing edges. Interactions between these two separations can be established through…

Hybrid RANS/LES of a generic high-lift aircraft configuration near maximum lift

Axel Probst, Stefan Melber-Wilkending

The paper aims to assess the feasibility of locally turbulence-resolving flow simulations for a high-lift aircraft configuration near maximum lift. It addresses the aspects of…

Aerodynamical characteristics of a reduced scale ground vehicle according to yaw angle variations

Philippe Gilotte, Iraj Mortazavi, Alfonso Colon de Carvajal, Stephie Edwige, Christian Navid Nayeri

The purpose of this paper is to study pressure measurement correlations, as the location of the pressure sensors should enable to capture variation of the drag force depending on…

Characterisation and comparison of unsteady actuators: a fluidic oscillator and a sweeping jet

Abderrahim Serrar, Mohamed El Khlifi, Azeddine Kourta

The purpose of this study is to compare two unsteady actuators: an oscillator and a sweeping jet. Both actuators can produce an oscillating jet of different amplitudes and…

Transonic buffet of a space launcher aileron: Fanno and Rayleigh flows analogies

Nicolas Gourdain, Jéromine Dumon, Yannick Bury, Pascal Molton

The transonic buffet is a complex aerodynamics phenomenon that imposes severe constraints on the design of high-speed vehicles, including for aircraft and space launchers. The…

Aerodynamic simulation of a high-pressure compressor stage using the lattice Boltzmann method

Jerome de Laborderie, Cedric Babin, Fabrizio Fontaneto

The present paper aims at evaluating the lattice Boltzmann method (LBM) on a high-subsonic high-pressure compressor stage at nominal regime.

On the performance of RANS turbulence models in predicting static stall over airfoils at high Reynolds numbers

M. R. Nived, Bandi Sai Mukesh, Sai Saketha Chandra Athkuri, Vinayak Eswaran

This paper aims to conduct, a detailed investigation of various Reynolds averaged Navier–Stokes (RANS) models to study their performance in attached and separated flows. The…

Effects of uniform injection and suction through perforated pentagonal cylinders on the flow and heat transfer

Mir Elyad Vakhshouri, Burhan Çuhadaroğlu

The purpose of this paper is to study the effects of uniform injection and suction through a perforated pentagonal cylinder on the flow field and heat transfer.

Numerical analysis for wake flow field of Ahmed model based on a nonlinear-LRN/DES turbulence model

Le Dian Zheng, Yi Yang, Guang Lin Qiang, Zhengqi Gu

This paper aims to propose a precise turbulence model for automobile aerodynamics simulation, which can predict flow separation and reattachment phenomena more accurately.

Numerical simulation of NACA4412 airfoil in pre-stall conditions

Vincent Gleize, Michel Costes, Ivan Mary

The purpose of this paper is to study turbulent flow separation at the airfoil trailing edge. This work aims to improve the knowledge of stall phenomenon by creating a QDNS…

Estimates of turbulence modeling uncertainties in NACA65 cascade flow predictions by Bayesian model-scenario averaging

Maximilien de Zordo-Banliat, Xavier Merle, Gregory Dergham, Paola Cinnella

The Reynolds-averaged Navier–Stokes (RANS) equations represent the computational workhorse for engineering design, despite their numerous flaws. Improving and quantifying the…