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System Study of Slush Propellants for Future European Launch Vehicles

Wilken, Jascha (2018) System Study of Slush Propellants for Future European Launch Vehicles. Space Propulsion 2018, 14.-18. Mai 2018, Sevilla, Spanien.

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Abstract

Usually cryogenic propellants in launch vehicles are stored at the normal boiling point, but the density can be increased by subcooling the propellant. In its most extreme form, this results in a mixture of solid and liquid propellant: the slush propellants. First, the possibility of employing slush fuels within the upper stages of prospective European launchers (Ariane 6 and Vega-E) is evaluated. Three methods of implementation are discussed and compared. In addition, their effect on possible future European launchers with a reusable Vertical Takeoff and Vertical Landing (VTVL) first stage are also investigated. While the application to existing designs only yields small improvements, results for the Reusable Launch Vehicles (RLV) show that the total mass of the launcher for the same payload could be reduced by up to 23 %. While not all complications of densified propellants are solved at this point in time, the potential for the improvement of future launch systems is substantial enough to warrant future investigation.

Item URL in elib:https://elib.dlr.de/120361/
Document Type:Conference or Workshop Item (Speech)
Title:System Study of Slush Propellants for Future European Launch Vehicles
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wilken, JaschaJascha.Wilken (at) dlr.dehttps://orcid.org/0000-0001-5748-1261
Date:17 May 2018
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Slush, space transportation, slush hydrogen, slush methane, space propellant densification, reusable launch vehicle
Event Title:Space Propulsion 2018
Event Location:Sevilla, Spanien
Event Type:international Conference
Event Dates:14.-18. Mai 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Systemanalyse Raumtransport
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Space Launcher Systems Analysis
Deposited By: Vormschlag, Nele Marei
Deposited On:13 Jun 2018 10:05
Last Modified:31 Jul 2019 20:18

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