A liquid propulsion panorama |
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Authors: | Philippe Caisso Alain Souchier Christophe Rothmund Patrick Alliot Christophe Bonhomme Walter Zinner Randy Parsley Todd Neill Scott Forde Robert Starke William Wang Mamoru Takahashi Masahiro Atsumi Dominique Valentian |
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Institution: | aSnecma Vernon, France;bCNES, France;cEADS Astrium ST Ottobrunn, Germany;dPratt and Whitney Rocketdyne, USA;eAerojet, USA;fAerospace Corporation, USA;gIHI Aerospace, Japan;hMHI, Japan;iFrance |
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Abstract: | Liquid-propellant rocket engines are widely used all over the world, thanks to their high performances, in particular high thrust-to-weight ratio. The present paper presents a general panorama of liquid propulsion as a contribution of the IAF Advanced Propulsion Prospective Group.After a brief history of its past development in the different parts of the world, the current status of liquid propulsion, the currently observed trends, the possible areas of future improvement and a summarized road map of future developments are presented. The road map includes a summary of the liquid propulsion status presented in the “Year in review 2007” of Aerospace America.Although liquid propulsion is often seen as a mature technology with few areas of potential improvement, the requirements of an active commercial market and a renewed interest for space exploration has led to the development of a family of new engines, with more design margins, simpler to use and to produce associated with a wide variety of thrust and life requirements. |
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