analysis and onera

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HART II: Experimental Analysis and Validation of ONERA Methodology for the Prediction of Blade-Vortex Interaction

In the first part of this paper, the ONERA methodology concerning the post-processing of the PIV data obtained during the HART II campaign is described. The vortex geometry and the vortex parameters are studied for different configurations. In the second part, the validation of the different steps of the ONERA...

Tags: Hardware, Enterprise Software, Software, Data Management, ONERA, Analysis, Databases, Storage

White papers 2004-10-04

ORAGES: A Dedicated Sensor for Detection, Localization and Fine Analysis of Lightning Flashes From Space

The present paper describes the different components of the instrument (antenna network, receiver and data processing system) and presents an evaluation of its performances. According to mission parameters, space based lightning sensors enable detailed analysis of meso-scale and large scale convective systems (e.g. inter-tropical convergence zone, monsoon regions, tropical cyclones)...

Tags: ONERA, Sensor, Analysis

White papers 2004-04-27

Distributed Simulation for Acquisition and Analysis of Future Airport Operational Concept

In this paper, the French Aeronautics and Space Research Center ONERA are carrying out a federative R&D project to propose solutions which enhance traffic management of future airports while maintaining safety. One goal of this initiative is to provide an open and scalable modeling and simulation infrastructure to evaluate several...

Tags: ONERA, Acquisition, Analysis, Research & Development, Mergers & Acquisitions, Productivity, Corporate Law, Business Operations, Investment, Finance

White papers 2004-03-22

Additional Resources

Research and Markets: Government Policies and Initiatives in Nanotechnology Worldwide 2007

DUBLIN, Ireland -- Research and Markets (http://www.researchandmarkets.com/reports/c69125) has announced the addition of Government Policies and Initiatives in Nanotechnology Worldwide 2007 to their offering. Governments worldwide are now strongly supporting R&D in nanotechnology, with over 30 countries implementing concerted national initiatives and programs. Government spending on...

Articles 2007-09-21

Ion microprobe enables identification of elements.(Brief Article)

An ion microprobe has been developed that enables elemental and isotopic analysis of the elements in a material, according to French instrument maker Cameca. Designed in collaboration with the University of Paris and the Materials Division of Onera, the French National Office for Aerospace...

Articles 2000-04-01

Elemental analysis.

An ion microprobe that can recognize every element in a sample has been developed under a collaborative project in France. The Office National d'Etudes et de Recherches Aerospatiales ONERA, the University of Paris-Sud UPS and a privately owned company,...

Articles 1999-10-01

A quarter-wavelength antenna with superposed square patches.

This article proposes a method whereby the cross-sectional area of microstrip antennas using superposed square patches is decreased while the bandwidth is increased. The quarter-wavelength antenna principle is applied, however, the short circuits are located between two square superposed elements. The structure is completely metallic...

Articles 1998-06-01