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Regenerative fuel cell systems for space applications: a model based system engineering study
KTH, School of Electrical Engineering and Computer Science (EECS).
2021 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this paper, a state of the art on RFCS for space application was performed. Starting with the different RFCS technologies, following with hydrogen storage solution and the various balance of plant components with a focus on water and thermal management as these subsystems differs quite largely from conventional ground application. After the RFCS was introduced, a Model Based System Engineering (MBSE) study was performed using Capella software. The model obtained provide the general functions a RFCS should be able to perform. This model and the state of the art allowed to conclude what such a system has to achieve in order to operate properly. This paper hence presents an overview of the complexity and the performances that can be expected from a RFCS. 

Abstract [sv]

I denna uppsats utfördes en toppmodern teknik på RFCS för rymdtillämpning. Börjar med de olika RFCS-teknologierna, därefter med vätelagringslösning och de olika balansen mellan anläggningskomponenter med fokus på vatten- och termisk hantering, eftersom dessa delsystem skiljer sig ganska mycket från konventionell markanvändning. Efter att RFCS introducerades utfördes en modellbaserad systemteknikstudie (MBSE) med hjälp av Capellaprogramvaran. Den erhållna modellen ger de allmänna funktioner som en RFCS ska kunna utföra. Denna modell och den senaste tekniken gjorde det möjligt att dra slutsatsen vad ett sådant system måste uppnå för att fungera korrekt. Denna uppsats presenterar därför en översikt över komplexiteten och de prestationer som kan förväntas av en RFCS.

Place, publisher, year, edition, pages
2021. , p. 16
Series
TRITA-EECS-EX ; 2021:524
Keywords [en]
Regenerative fuel cell system, RFCS, Space power system, MBSE, Modeling, System engineering, Fuel Cell, Electrolyzer.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-303122OAI: oai:DiVA.org:kth-303122DiVA, id: diva2:1601080
Supervisors
Examiners
Available from: 2021-10-07 Created: 2021-10-06 Last updated: 2022-06-25Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf