Nicolas Coste

Nicolas Coste
Optiflow Company

PhD

About

16
Publications
2,749
Reads
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232
Citations
Additional affiliations
September 2000 - September 2004
Aix-Marseille Université
Position
  • Master's Student
September 2000 - September 2004
Ecole Centrale de Marseille
Position
  • Professor (Assistant)
May 2000 - present
OPTIFLOW
OPTIFLOW
Position
  • Research Engineer and Scientist
Education
September 1996 - September 2000
September 1995 - September 1996
Aix-Marseille Université
Field of study
  • Fluid Dynamics
September 1992 - September 1995
Aix-Marseille Université
Field of study
  • Mechanical Engineering

Publications

Publications (16)
Article
Full-text available
Windblown sand action affects civil structures and infrastructures in sandy environments, such as deserts and coasts. The wind interacts with human built structures of any kind leading to harmful effects, endangering their serviceability and users' safety. To counter it, a number of sand mitigation measures (SMM) have been proposed, primarily throu...
Article
The transport of particulate by wind constitutes a relevant phenomenon in environmental sciences and civil engineering, because erosion, transport and deposition of particulate can cause serious problems to human infrastructures. From a mathematical point of view, modeling procedure for this phenomenon requires handling the interaction between diff...
Article
Full-text available
Background: Windblown sand mitigation for civil structures in arid environment is crucial. Indeed, the number of railways crossing deserts and arid lands is increasing. A number of sand mitigation measures already exist. Among them, sand barriers are particularly intended for line-like infrastructures. We reviewed patented sand barriers on the basi...
Article
In the present contribution, a systematic parametrical study on the spanwise length of the computational domain and on the spanwise grid density is proposed in the framework of the Benchmark on the Aerodynamics of a Rectangular 5:1 Cylinder (BARC). The study aims at evaluating the effects of these computational features on the simulated flow field...
Article
This study deals with the influence of static and dynamic objects on the airflow (generated by a unidirectional air supply) inside an “open” ventilated system used in an agro-food production line. Firstly, the presence of operator’s arms, considered here as objects, leads to the appearance of recirculating zones under each arm. The influence of dif...
Article
The aim of this paper is to provide a contribution to the analysis of the 3D, high Reynolds number, turbulent, separated and reattached flow around a fixed sharp-edged rectangular cylinder with a chord-to-depth ratio equal to 5. The present computational study is developed in the frame of the Benchmark on the Aerodynamics of a Rectangular Cylinder...
Article
The aim of this paper is to provide a contribution to the study of the 3D, high Reynolds number, turbulent, separated and reattached flow around a fixed rectangular cylinder with a chord-to-depth ratio of 5. In spite of the simple geometry, it is believed that the problem could be of interest not only for fundamental research purposes, but also to...
Article
Des fragments végétaux incandescents peuvent être transportés par le vent à des centaines de mètres d'un feu de forêt et allumer des incendies secondaires. Les modélisations confirment ce scénario.
Article
Cet article présente les travaux du programme européen Saltus " Sautes de feu : connaissance et modélisation" et les résultats principaux. Il présente la physique du phénomène en s'attachant à utiliser un langage accessible au non spécialistes. Il met l'accent sur la simulation numérique du phénomène, notamment sur la reproduction du champ de vent.
Book
The issue of the SALTUS European program was spot fires. In order to understand the complexity of this phenomenon better, several different studies have been used: a statistical survey of 245 extinguished fires, presenting spot fires or not; an experimental analysis in labora-tory; a digital simulation of the phenomenon; an analysis of the data col...

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