Monthly Archive: September 2019

Sep 20

Discharge-mode testing of the X-EPT microwave ECR gridded Ion thruster for telecoms applications

David Hoffman and Dr Angelo Grubisic IEPC-2019-652 Presented at the 36th International Electric Propulsion Conference University of Vienna • Vienna, Austria September 15-20, 2019 Abstract A low-cost, 20-cm-diameter microwave electron cyclotron resonance ion thruster (Xenon Electric Propulsion Thruster, XEPT) has been built and tested in discharge only mode to investigate the suitability of the technology …

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Sep 20

Estimation of track decay rates from laboratory measurements on a baseplate fastening system

Estimation of track decay rates from laboratory measurements on a baseplate fastening system Hima, Boniface S.,Ā Thompson, David,Ā Squicciarini, Giacomo,Ā Ntotsios, EvangelosĀ andĀ Herron, DavidĀ (2019)Ā Estimation of track decay rates from laboratory measurements on a baseplate fastening system. 13th International Workshop on Railway Noise, Belgium.Ā 16 – 20 Sep 2019.Ā 8 ppĀ . Venue – Dates:Ā 13th International Workshop on Railway Noise, Belgium, 2019-09-16 – …

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Sep 16

Estimation of track decay rates from laboratory measurements on a baseplate fastening system

Boniface Hima, Prof David Thompson, Dr Giacomo Squicciarini, Evangelos Ntotsios and David Herron 13th International Workshop on Railway Noise 16/09/19 → 20/09/19 Ghent, Belgium Abstract The dynamic properties of the rail fastening system affect the damping of the rail and the degree of coupling between the rail and the foundation. It is well known that the rate …

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Sep 16

Structural effects on the high temperature performance of the Super High Temperature Additive Manufactured Resistojet (STAR)

Christopher Ogunlesi, Dr Angelo Grubisic, Dr Federico Romei and Matthew Robinson 36th International Electric Propulsion Conference: IEPC 15/09/19 → 20/09/19 Vienna, Austria Abstract This study uses non-destructive techniques to investigate the surface roughness, porosity and overall build quality of tantalum, tungsten and 316L stainless steel versions of the Super High Temperature Additive Manufactured Resistojet (STAR). The analysis …

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Sep 15

The development and qualification of the STAR resistojet system for telecommunications applications

Federico Romei, Matthew Robinson, Christopher Ogunlesi, Dr Dave Gibbon and Dr Angelo Grubisic 36th International Electric Propulsion Conference University of Vienna • Vienna, Austria September 15-20, 2019 IEPC_2019_Presentation_v1 UK Space Agency Flagship Super-High Temperature Resistojets for All-Electric Telecommunication Satellites (STAR) ļ‚§ National Space Technology Programme (NSTP) Flagship project: 2-years TRL innovation (KO in April) – …

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