International Journal of Numerical Methods for Heat & Fluid Flow: Volume 28 Issue 5

Guest editorial

Abderrahmane Baïri, Jean Delery, Bruno Chanetz

Comparison of thermodynamic models for ice accretion on airfoils

Pierre Lavoie, Dorian Pena, Yannick Hoarau, Eric Laurendeau

This paper aims to assess the strengths and weaknesses of four thermodynamic models used in aircraft icing simulations to orient the development or the choice of an improved…

Scrutiny of buffet mechanisms in transonic flow

Antonio Memmolo, Matteo Bernardini, Sergio Pirozzoli

This paper aims to show results of numerical simulations of transonic flow around a supercritical airfoil at chord Reynolds number Re_c = 3 × 10⁶, with the aim of elucidating the…

Streamwise vortex generator for separation reduction on wind turbine rotors

Javier Martinez Suarez, Pawel Flaszynski, Piotr Doerffer

The purpose of this paper is to describe numerical investigations focused on the reduction of separation and the aerodynamic enhancement of wind turbine blades by a rod vortex…

Wake flow analysis and control on a 47° slant angle Ahmed body

Stephie Edwige, Yoann Eulalie, Philippe Gilotte, Iraj Mortazavi

The purpose of this paper is to present numerical investigations of the flow dynamic characteristics of a 47° Ahmed Body to identify wake flow control strategy leading to drag…

Passive flow control application for rotorcraft in transonic conditions

Fernando Tejero Embuena, Piotr Doerffer, Pawel Flaszynski, Oskar Szulc

Helicopter rotor blades are usually aerodynamically limited by the severe conditions present in every revolution: strong shock wave boundary layer interaction on the advancing…

Wall-modeled large-eddy simulation of the flow past a rod-airfoil tandem by the Lattice Boltzmann method

Emmanuel Leveque, Hatem Touil, Satish Malik, Denis Ricot, Alois Sengissen

The Lattice Boltzmann (LB) method offers an alternative to conventional computational fluid dynamics (CFD) methods. However, its practical use for complex turbulent flows of…

Morphing airfoils analysis using dynamic meshing

Chawki Abdessemed, Yufeng Yao, Abdessalem Bouferrouk, Pritesh Narayan

The purpose of this paper is to use dynamic meshing to perform CFD analyses of a NACA 0012 airfoil fitted with a morphing trailing edge (TE) flap when it undergoes static and…

Distortion reconstruction in S-ducts from wall static pressure measurements

Pierre Grenson, Eric Garnier

This paper aims to report the attempts for predicting “on-the-fly” flow distortion in the engine entrance plane of a highly curved S-duct from wall static pressure measurements…

Columnar vortex generator for flow control over a ski-jump ramp

Rafael Bardera, Marina León-Calero, Joaquín de Nova-Trigueros

Aircraft carriers are essential for modern naval operations. Takeoff maneuver is critical because of the short runway distance. The ski-jump ramp is a system which increases the…

Active flow control analysis at the rear of an SUV

Yoann Eulalie, Elisabeth Fournier, Philippe Gilotte, David Holst, Shaun Johnson, Christian Navid Nayeri, Thomas Schütz, Dirk Wieser

This paper aims to present an experimental investigation of an active flow control solution mounted at rear of a sport utility vehicle (SUV) with the objective of drag reduction…

Effects of free-stream turbulence on the global pressure fluctuation of compressible transitional flows in a low-pressure turbine cascade

Kazuo Matsuura, Kotaro Matsui, Naoki Tani

This paper aims to investigate global pressure fluctuations in compressible transitional flows in a low-pressure turbine cascade because of variations in the free-stream…

Numerical and experimental analysis of rotating wheel in contact with the ground

Michal Kulak, Maciej Karczewski, Pawel Lesniewicz, Krzysztof Olasek, Bas Hoogterp, Guillaume Spolaore, Krzysztof Józwik

This paper aims to provide the results of investigations concerning an influence of the tyre with longitudinal grooves on the car body aerodynamics. It is considered as an…

Aerodynamic prediction of a projectile fitted with fins

Cédric Decrocq, Bastien Martinez, Marie Albisser, Simona Dobre, Patrick Gnemmi, Yannick Bailly, Jean-Claude Roy

The present paper deals with weapon aerodynamics and aims to describe preliminary studies that were conducted for developing the next generation of long-range guided ammunition…