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Advanced Sensor Technologies for Cryogenic Liquid Propellant Flow Phenomena

Title data

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 . - [1]-[7]

Abstract in another language

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.

Further data

Item Type: Article in a book
Refereed: No
Institutions of the University: Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 08 Mar 2016 07:08
Last Modified: 08 Mar 2016 07:08
URI: https://eref.uni-bayreuth.de/id/eprint/31366