Etude expérimentale et numérique du brouillard en combustion issu d'un injecteur coaxial liquide-gaz

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ISBN 13 :
Total Pages : 352 pages
Book Rating : 4.:/5 (356 download)

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Book Synopsis Etude expérimentale et numérique du brouillard en combustion issu d'un injecteur coaxial liquide-gaz by : Bernard Zamuner

Download or read book Etude expérimentale et numérique du brouillard en combustion issu d'un injecteur coaxial liquide-gaz written by Bernard Zamuner and published by . This book was released on 1995 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail s'inscrit dans le cadre de recherches sur la combustion diphasique dans les chambres propulsives des moteurs aéronautiques et spaciaux. Tout d'abord, une description des techniques d'investigation existantes pour caractériser la phase liquide dispersée dans un environnement réactif et une revue des différentes approches utilisées pour la modélisation des écoulements polyphasiques sont effectuées. Le montage expérimental est ensuite présenté dans la deuxième partie. Inspire par les systèmes a ergols liquides stockables, il s'agit d'un injecteur coaxial avec, au centre, un jet liquide de monométhylhydrazine entouré par un jet annulaire d'air enrichi en oxygène. Une étude détaillée des caractéristiques du brouillard est réalisée en fonctionnement isotherme grâce à un analyseur de particules phase-Doppler. La troisième partie est consacrée au développement et à la validation d'un code de calcul pour la simulation de l'écoulement diphasique turbulent isotherme. Une formulation Eulérienne est utilisée pour les deux phases. La dernière partie décrit l'étude du brouillard en combustion. Tout d'abord des visualisations de la flamme diphasique par tomographie laser révèlent l'existence de deux modes de flamme en fonction du rapport des vitesses de sortie. Une méthode de granulométrie par numérisation et traitement d'images de films est proposée. Un modèle de combustion de brouillard est ensuite utilise pour prédire l'écoulement réactif. La comparaison des diamètres et des concentrations calculées avec les données disponibles s'avère encourageante. La simulation numérique permet enfin de proposer une explication à l'existence de régimes de combustion différents.

International Aerospace Abstracts

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ISBN 13 :
Total Pages : 660 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1997 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dictionary of Building and Civil Engineering

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Publisher : Taylor & Francis
ISBN 13 : 9780419199106
Total Pages : 472 pages
Book Rating : 4.1/5 (991 download)

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Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague

Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.

Aircraft Fire Safety

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ISBN 13 : 9789283505297
Total Pages : 0 pages
Book Rating : 4.5/5 (52 download)

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Book Synopsis Aircraft Fire Safety by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium

Download or read book Aircraft Fire Safety written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Conference Proceedings contains 38 papers presented at the Propulsion and Energetics Panel 73rd Symposium on 'Aircraft Fire Safety' which was held 22 - 26 May 1989 in Sintra, Portugal. The Symposium was arranged in the following sessions: Review of Fire-Related Aircraft Accidents (3); Fire Safety Standards and Research Programmes (6); Aircraft Internal Fires (9); Aircraft External Fires (2); Fire Safety of Military Weapon Systems (3); Fire Hardening by Advanced Materials and Structural Design (8); Passenger Behaviour in Emergency Situations (3); and Passenger Protective Equipment (4). The Technical Evaluation Report and and Addendum are included at the beginning of the Proceedings. Questions and answers of the discussions follow each paper. The last AGARD review on the subject took place in a Specialists' Meeting in 1975, followed by a Working Group Report in 1979 and Lecture Series in 1982. The purpose of the Symposium was a review of the present state-of-the-art and of the last improvements. Although the safety standards in aviation are already very high, there is still room for improvements. They are listed in the Conclusions and Recommendations of the Technical Evaluation Report and in the Addendum.

Auxiliary power systems: papers presented at the Propulsion and Energetics Panel 61st (B) specialists' meeting, held in Copenhagen, Denmark, 30-31 May 1983

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Publisher :
ISBN 13 : 9789283503392
Total Pages : 0 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Auxiliary power systems: papers presented at the Propulsion and Energetics Panel 61st (B) specialists' meeting, held in Copenhagen, Denmark, 30-31 May 1983 by : AGARD.

Download or read book Auxiliary power systems: papers presented at the Propulsion and Energetics Panel 61st (B) specialists' meeting, held in Copenhagen, Denmark, 30-31 May 1983 written by AGARD. and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dictionary of Technical Terms for Aerospace Use

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Publisher :
ISBN 13 :
Total Pages : 338 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dictionary of Technical Terms for Aerospace Use by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division

Download or read book Dictionary of Technical Terms for Aerospace Use written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1965 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brief definitions "intended to be as clear as possible to the non-expert, but accuracy has not been compromised for the sake of readability. Mathematics has been used where necessary to avoid ambiguity."--Intro. Published 1965.

Construction Dictionary

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Publisher :
ISBN 13 : 9781491730812
Total Pages : 0 pages
Book Rating : 4.7/5 (38 download)

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Book Synopsis Construction Dictionary by : Nawic Education Foundation

Download or read book Construction Dictionary written by Nawic Education Foundation and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An extensive listing of the terms and phrases used in construction. Included are many that are encountered daily on the jobsite or in the construction office.

Water Treatment Handbook

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Publisher :
ISBN 13 : 9781845850050
Total Pages : 932 pages
Book Rating : 4.8/5 (5 download)

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Book Synopsis Water Treatment Handbook by :

Download or read book Water Treatment Handbook written by and published by . This book was released on 2007 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt: