Modelling of cryogenic cooling system design concepts for superconducting aircraft propulsion

J Palmer, E Shehab

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Distributed propulsion concepts are promising in terms of improved fuel burn, better aerodynamic performance, and greater control. Superconducting networks are being considered for their superior power density and efficiency. This study discusses the design of cryogenic cooling systems which are essential for normal operation of superconducting materials. This research project has identified six key requirements such as maintain temperature and low weight, with two critical components that dramatically affect mass identified as the heat exchanger and compressors. Qualitatively, the most viable concept for cryocooling was found to be the reverse-Brayton cycle (RBC) for its superior reliability and flexibility. Single- and two-stage reverse-Brayton systems were modelled, highlighting that double stage concepts are preferable in specific mass and future development terms in all cases except when using liquid hydrogen as the heat sink. Finally, the component-level design space was considered with the most critical components affecting mass being identified as the reverse-Brayton compressor and turbine. 1
Original languageEnglish
Pages (from-to)170-178
Number of pages9
JournalIET Electrical Systems in Transportation
Volume6
Issue number3
DOIs
Publication statusPublished - 2016

Fingerprint

Aircraft propulsion
Cooling systems
Cryogenics
Compressors
Systems analysis
Brayton cycle
Heat sinks
Propulsion
Superconducting materials
Heat exchangers
Aerodynamics
Turbines
Hydrogen
Liquids
Temperature

Keywords

  • Brayton cycle
  • aerodynamic performance
  • aerodynamics
  • aerospace materials
  • aerospace propulsion
  • aircraft power systems
  • component-level design
  • compressors
  • cooling
  • cryogenic cooling system design concept modelling
  • cryogenics
  • distributed propulsion concept
  • electric propulsion
  • fuel burn improvement
  • heat compressor
  • heat exchanger
  • heat exchangers
  • heat sink
  • heat sinks
  • liquid hydrogen
  • power density
  • reverse-Brayton compressor
  • reverse-Brayton cycle
  • reverse-Brayton turbine
  • single reverse-Brayton system
  • superconducting aircraft propulsion
  • superconducting material
  • superconducting materials
  • two-stage reverse-Brayton system

Cite this

Modelling of cryogenic cooling system design concepts for superconducting aircraft propulsion. / Palmer, J; Shehab, E.

In: IET Electrical Systems in Transportation, Vol. 6, No. 3, 2016, p. 170-178.

Research output: Contribution to journalArticle

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