Abonnement à la biblothèque: Guest
Page d'accueil ICHMT DL Année en cours Archives Comité de direction Centre international pour le transfert de chaleur et de masse

Influence of numerics and analysis of external flow over a three-dimensional realistic car model

DOI: 10.1615/ICHMT.2015.THMT-15.1900
pages 839-842

R. F. Soares
Faculty of Mechanical Engineering, Federal University of Uberlandia Uberlandia, Minas Gerais, Brazil

F. J. de Souza
Faculty of Mechanical Engineering, Federal University of Uberlandia Uberlandia, Minas Gerais, Brazil

Résumé

Fuel consumption of road cars has been a main issue for the global automotive industry. Engineering tools such as wind tunnels and computational fluid dynamics (CFD) have been employed for vehicle design, aiming at aerodynamic efficiency. However, wind tunnels are very expensive facilities. In this scenario, CFD arises as the best cost-effective tool for solution on aerodynamics. This paper presents the influence of numerics on drag prediction and the analysis of turbulent flow over a 3D realistic car model. Therefore, the main contributions of this short paper are: (a) to present a brief discussion about the regions of high instabilities and turbulent kinetic energy over the DrivAer Fastback car model, as well as (b) to outline the influence of numeric on drag prediction. The objective is to provide a significant cost-benefit of numerical setup to the automotive industry for the development of road cars.

ICHMT Digital Library

Bow shocks on a jet-like solid body shape. Thermal Sciences 2004, 2004. Pulsed, supersonic fuel jets - their characteristics and potential for improved diesel engine injection. PULSED, SUPERSONIC FUEL JETS - THEIR CHARACTERISTICS AND POTENTIAL FOR IMPROVED DIESEL ENGINE INJECTION
View of engine compartment components (left). Plots of temperature distributions in centreplane, forward of engine (right). CHT-04 - Advances in Computational Heat Transfer III, 2004. Devel... DEVELOPMENT AND CURRENT STATUS OF INDUSTRIAL THERMOFLUIDS CFD ANALYSIS
Pratt & Whitney's F-135 Joint Strike Fighter Engine under test in Florida is a 3600F class jet engine. TURBINE-09, 2009. Turbine airfoil leading edge stagnation aerodynamics and heat transfe... TURBINE AIRFOIL LEADING EDGE STAGNATION AERODYNAMICS AND HEAT TRANSFER - A REVIEW
Refractive index reconstructed field. (a) Second iteration. (b) Fourth iteration. Radiative Transfer - VI, 2010. Theoretical development for refractive index reconstruction from a radiative ... THEORETICAL DEVELOPMENT FOR REFRACTIVE INDEX RECONSTRUCTION FROM A RADIATIVE TRANSFER EQUATION-BASED ALGORITHM
Two inclusion test, four collimated sources. Radiative Transfer - VI, 2010. New developments in frequency domain optical tomography. Part II. Application with a L-BFGS associated to an inexa... NEW DEVELOPMENTS IN FREQUENCY DOMAIN OPTICAL TOMOGRAPHY. PART II. APPLICATION WITH A L-BFGS ASSOCIATED TO AN INEXACT LINE SEARCH