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LES of Supersonic Combustion in a Mach 2 Cavity-Based Model Scramjet Combustor with Conjugate Heat Transfer and Radiative Heat Transfer

Direkt Profil : un système d’évaluation de textes d’élèves de français langue étrangère fondé sur les itinéraires d'acquisition

Abstract in FrenchRésumé : Direkt Profil est un analyseur automatique de textes écrits en français comme langue étrangère. Son but est de produire une évaluation du stade de langue des élèves sous la forme d’un profil d’apprenant. Direkt Profil réalise une analyse des phrases fondée sur desitinéraires d’acquisition, i.e. des phénomènes syntaxiques locaux liés à un développement dans l’apprentissag

LES of swirling flows in gas turbine combustion chambers

LES of supersonic combustion in a scramjet engine model

Climate-driven changes in lake conditions during late MIS 3 and MIS 2: a high-resolution geochemical record from Les Echets, France

Combustion LES of a multi-burner annular aero-engine combustor using a skeletal reaction mechanism for jet- a air mixtures

In this study we describe combustion simulations of a single sector and a fully annular generic multi-burner aero-engine combustor. The objectives are to facilitate the understanding of the flow, mixing and combustion processes to help improve the combustor design and the design process, as well as to show that it is now feasible to perform high-fidelity reacting flow simulations of full annular g

LES of H₂-air jet combustion in high enthalpy supersonic crossflow

LES of Combustion Dynamics in an Ethylene-Hydrogen-Air Ramjet

The Core and Specifics of Mandarin Chinese marker le: A unified approach and a Cognitive Grammar representation

Biodiversity conservation and the Brazilian Forest Code : small-scale farmers and law compliance in Southern Brazil

Noise computation of a turbo-engine jet exhaust based on LES and lighthill's acoustic analogy

Increasing noise regulations at urban airports force jet engine manufactures to develop and build more quiet engines. Over recent years, a significant reduction in fan and mechanical noise has been achieved. However, the jet exhaust is the principal source of noise. The acoustical field that is generated by a turboengine jet exhaust running near the ground level is considered. The full equations o

Study of the vortex breakdown in a conical swirler using LDV, LES and POD

Modeling and understanding the vortex breakdown is a key issue of modern Lean Premixed Combustors. The main difficulty of the problem is the unsteady behavior of this type of flow: Large structures resulting from vortex breakdown and the swirling shear-layers, affect directly the flame stabilization leading to heat-release fluctuations and combustion instabilities. Consequently, one needs to captu

The facsimile of The Rudiments or Principles of the German flute : the first English translation of Principes de la Flute Traversiere ou Flute d’Allemagne (1707) by Jacques Hotteterre Le Romain

Taking Issue With Le Poidevin's New Agnosticism

Selection on the joint actions of pairs leads to divergent adaptation and coadaptation of care-giving parents during pre-hatching care

The joint actions of animals in partnerships or social groups evolve under both natural selection from the wider environment and social selection imposed by other members of the pair or group. We used experimental evolution to investigate how jointly expressed actions evolve upon exposure to a new environmental challenge. Our work focused on the evolution of carrion nest preparation by pairs of bu

Experimental and LES investigations of a SGT-800 burner in a combustion rig

A Comparative Study of LES Turbulent Combustion Models Applied to a Low Swirl Lean Premixed Burner

Measurements and LES of a SGT-800 Burner in a Combustion Rig

The Siemens gas turbine SGT-800 is the largest industrial gas turbine produced by Siemens Industrial Turbomachinery (SIT) offering a dry low emission (DLE) capability below 15 ppm NOx. It has a very high reliability using an annular combustor system with passive damping and 30 DLE burners. To obtain a greater understanding of the mixing process and the flame dynamics and in order to further reduce

LES Modeling of the DLR Generic Single-Cup Spray Combustor : Validation and the Impact of Combustion Chemistry

Transcultural novels and translating cultures : François Cheng's Le Dit de Tianyi and L'éternité n'est pas de trop