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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

Research Ramjet Program: An Initiative to Improve Knowledge on Ramjet Reactive Flowfields

A research ramjet program has been initiated at ONERA with the support of DGA/SPNuc in 1995 with the aim to improve methodology for ramjet combustion chamber design and tuning by using validated CFD codes. The approach used was to design and manufacture a specific ramjet model in order to setup...

Tags: performance management, productivity, knowledge, storage, strategy, onera, databases, human resources, workforce management, management, hardware, enterprise software, software, data management

White papers 2004-01-11

Wind Tunnel Test of a Non-Linear Flutter Model

This initial study was limited to linear aerodynamic conditions, the tests being performed at Mach 0.6. The second tests campaign, held in 2001, had three main objectives: - unsteady transonic aerodynamic measurements for a wing with elevator, - classical flutter study in transonic flow conditions, - observation, if possible, of...

Tags: onera, storage, databases, hardware, enterprise software, software, data management

White papers 2003-08-22

The "Supersonic Aerodynamics" Project at ONERA

The paper provides an overview of the current work performed in the framework of this project. Five problems are investigated: - Laminar-turbulent transition and laminar flow control: an experimental database for 3D transition has been obtained; in parallel, the prediction codes developed for low speed flows are extended to supersonic...

Tags: onera, hardware, storage, construction

White papers 2002-10-24

ONERA Experimental Airborne SAR Facility (RAMSES) Core System

This paper begins with a short presentation of the airborne experimental SAR facility, developed by ONERA and called RAMSES: field of studies, system architecture and implementation in the aircraft. Then we focus on the RAMSES core system. This electronic part is the hub of the facility in which the RF...

Tags: hardware, storage, manufacturing, storage management, aerospace & defense, onera

White papers 2000-09-05

Additional Resources

Bigger, faster, more: demand for heavy duty computing power is perpetually increasing, but computer manufacturers disagree about the way the hunger will be satisfied in the future. (Computing).

THE world's fastest supercomputer, capable of more than 12 trillion calculations per second (12 teraflops), is being installed by the US Energy Department to simulate the explosions of nuclear bombs. The nuclear test ban moratorium is forcing the pace in high performance...

Articles 2000-09-01