Article (Scientific journals)
Air–Hydrogen Heat Exchangers for Advanced Space Launchers
Hendrick, Patrick; Heintz, Nicolas; Bizzarri, Didier et al.
2009In Journal of Propulsion and Power, 25 (6)
Peer reviewed
 

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Keywords :
Air–hydrogen heat exchangers; In-flight oxygen collection; Two-stages-to-orbit launcher; Subscaled breadboards
Abstract :
[en] This paper deals with air–hydrogen heat exchangers intended to provide in-flight oxygen collection capability to a reusable or semireusable two-stages-to-orbit launcher with an oxygen collection phase in supersonic cruise at Mach 2.5. It aims to present a theoretical but mainly technological and experimental feasibility study of heat exchangers sufficiently efficient and reliable to suit the extreme requirements of this application. Two precoolers of two different types (shell and tubes, and plate and fins) have been selected and designed with the objective of fulfilling all constraints of the concept in terms of performance, leak tightness, reliability, compactness, etc. This design process has been validated with four subscaled breadboards (two of each type) tested on two test benches (for performance and leak tightness), developed by Belgium and Spain, in on-design and off-design conditions. All these results highlight the suitability of the new technologies given the extreme requirements of the concept. An optimum design for each technology is recommended considering its proper advantages and disadvantages. An innovative precooler technology is presented and tested.
Research center :
Free University of Brussels, 1050 Brussels, Belgium
IberEspacio, 28010 Madrid, Spain
Techspace Aero, 4041 Milmort, Belgium
University of Liège, 4000 Liège, Belgium
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Hendrick, Patrick
Heintz, Nicolas
Bizzarri, Didier
Romera, Francesco
Murray, James
Ngendakumana, Philippe ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Thermotechnique
Language :
English
Title :
Air–Hydrogen Heat Exchangers for Advanced Space Launchers
Publication date :
November 2009
Journal title :
Journal of Propulsion and Power
ISSN :
0748-4658
eISSN :
1533-3876
Publisher :
American Institute of Aeronautics and Astronautics, New-York, United States - New York
Volume :
25
Issue :
6
Peer reviewed :
Peer reviewed
Name of the research project :
Critical technologies for Future Air Breathing Propulsion : Advanced Heat Exchangers (AHEX)
Funders :
ASE - Agence Spatiale Européenne [FR]
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since 11 April 2012

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