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Advanced Sensor Technologies for Cryogenic Liquid Propellant Flow Phenomena

Titelangaben

Siegl, Martin ; Fischer, Alexander ; Gerstmann, Jens ; Becker, David ; Schmidt, Katrin ; Lindner, Gerhard ; Fischerauer, Alice ; Kandlbinder, Christoph ; Fischerauer, Gerhard:
Advanced Sensor Technologies for Cryogenic Liquid Propellant Flow Phenomena.
In: Proceedings of the 66th International Astronautical Congress (IAC2015). - Jerusalem , 2015

Abstract

Sensors for various fluid physical quantities play a vital role in the management of cryogenic liquid propellants (hydrogen, oxygen, methane), used worldwide in launchers such as the European Ariane rockets. In addition, measurement devices are particularly central in all basic scientific fluid experimentation, investigating for instance liquid sloshing, free liquid surface movement, boiling or bubble formation. The results of these experiments in microgravity and on ground enable the efficient design of present-day cryogenic launcher (upper) stages and (as possible future applications) of long-term orbital propellant storage facilities, in-orbit refuelling stations and interplanetary cryogenic propulsion. These utilizations call for sensor technology to efficiently perform propellant mass gauging, determine fill-levels, temperature fields, phase change quantities and bubble formation in a non-intrusive fashion. An overview of various candidate cryogenic sensor technologies currently investigated by the authors is provided. Tomographic techniques based on sound waves and electrostatic fields are discussed with respect to their applicability in cryogenic liquids, potential applications areas, engineering challenges and corresponding validation tests. Fibre-optic technologies for visual observations and large scale, high resolution distributed temperature measurements are presented with first results of their validation in cryogenic liquids. New and improved insights into cryogenic liquid propellant behaviour are possible, as is shown based on experimental applications.

Weitere Angaben

Publikationsform: Aufsatz in einem Buch
Begutachteter Beitrag: Nein
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mess- und Regeltechnik > Lehrstuhl Mess- und Regeltechnik - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mess- und Regeltechnik
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 08 Mär 2016 07:08
Letzte Änderung: 05 Okt 2023 07:29
URI: https://eref.uni-bayreuth.de/id/eprint/31366