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High performance resistojet thruster: STAR Status Update

High performance resistojet thruster: STAR Status Update
High performance resistojet thruster: STAR Status Update
This paper presents the performance testing of the Super-high Temperature Additive Resistojet (STAR) prototype, the first additively manufactured resistojet thruster with a novel monolithic design of heat exchanger. In this paper, operation of the concept was demonstrated at the operational temperature limits of the prototype material. In hot gas mode, the prototype developed 80s specific impulse with argon gas, with a calculated stagnation temperature between 380°C and 500°C at the inlet of the nozzle. The paper proves the feasibility of operation of a concentric thin walled monolithic recirculating resistojet manufactured via selective laser melting.
resistojet, prototype, spacecraft, propulsion, metal additive manufacturing, stainless steel, performance, tantalum.
Romei, Federico
2c01d8c3-430b-49f8-9c8c-e30d0d135f89
Grubisic, Angelo
a4cab763-bbc0-4130-af65-229ae674e8c8
Gibbon, Dave
e60476ec-e06b-418d-a71f-bf3a6ae2ecc2
Romei, Federico
2c01d8c3-430b-49f8-9c8c-e30d0d135f89
Grubisic, Angelo
a4cab763-bbc0-4130-af65-229ae674e8c8
Gibbon, Dave
e60476ec-e06b-418d-a71f-bf3a6ae2ecc2

Romei, Federico, Grubisic, Angelo and Gibbon, Dave (2018) High performance resistojet thruster: STAR Status Update. Space Propulsion 2018, Seville, Spain. 14 - 18 May 2018. 6 pp.

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents the performance testing of the Super-high Temperature Additive Resistojet (STAR) prototype, the first additively manufactured resistojet thruster with a novel monolithic design of heat exchanger. In this paper, operation of the concept was demonstrated at the operational temperature limits of the prototype material. In hot gas mode, the prototype developed 80s specific impulse with argon gas, with a calculated stagnation temperature between 380°C and 500°C at the inlet of the nozzle. The paper proves the feasibility of operation of a concentric thin walled monolithic recirculating resistojet manufactured via selective laser melting.

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More information

In preparation date: 2018
Published date: 18 May 2018
Venue - Dates: Space Propulsion 2018, Seville, Spain, 2018-05-14 - 2018-05-18
Keywords: resistojet, prototype, spacecraft, propulsion, metal additive manufacturing, stainless steel, performance, tantalum.

Identifiers

Local EPrints ID: 417359
URI: https://eprints.soton.ac.uk/id/eprint/417359
PURE UUID: 0fc3cbff-52d8-426c-a346-a863727143f7
ORCID for Federico Romei: ORCID iD orcid.org/0000-0003-2283-4658

Catalogue record

Date deposited: 30 Jan 2018 17:30
Last modified: 14 Jul 2018 04:01

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