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Ignition investigations of a novel hypergolic ionic liquid with hydrogen peroxide in drop tests

Lauck, Felix and Balkenhohl, Jakob and Negri, Michele and Freudenmann, Dominic and Schlechtriem, S. (2021) Ignition investigations of a novel hypergolic ionic liquid with hydrogen peroxide in drop tests. 7th Space Propulsion Conference 2020+1, 17-19. March 2021, virtual.

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Abstract

Conventional hypergolic propellants are highly toxic. Therefore, research is conducted in order to find suitable candidates as a replacement for these kinds of propellants. At DLR a promising propellant combination comprised of highly concentrated hydrogen peroxide and an ionic liquid was identified. The used propellant combination showed an ignition delay time in drop tests of around 30 ms. These drop tests were conducted in a drop test setup keeping the test parameters constant. In the present study different external factors, which could have an impact on the ignition delay time were investigated: drop height, propellant amount and fuel or oxidizer as pool component. For fuel as pool component no impact on the ignition delay time was observed when varying the drop heights or propellant amounts. A significant difference was observed between fuel or oxidizer pools. Here, the ignition delay time for oxidizer pools is twice as long as tests with in the fuel pool

Item URL in elib:https://elib.dlr.de/141715/
Document Type:Conference or Workshop Item (Speech)
Title:Ignition investigations of a novel hypergolic ionic liquid with hydrogen peroxide in drop tests
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Lauck, FelixFelix.Lauck (at) dlr.dehttps://orcid.org/0000-0002-6599-0805
Balkenhohl, JakobInstitut für Raumfahrtantriebe, DLR Lampoldshausen, DUNSPECIFIED
Negri, MicheleMichele.Negri (at) dlr.dehttps://orcid.org/0000-0003-2204-9916
Freudenmann, DominicDominic.Freudenmann (at) dlr.dehttps://orcid.org/0000-0003-4027-8878
Schlechtriem, S.Stefan.Schlechtriem (at) dlr.dehttps://orcid.org/0000-0002-3714-9664
Date:March 2021
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:hydrogen peroxide, hypergolic, ionic liquid, drop test
Event Title:7th Space Propulsion Conference 2020+1
Event Location:virtual
Event Type:international Conference
Event Dates:17-19. March 2021
Organizer:3AF
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transportation
DLR - Research area:Raumfahrt
DLR - Program:R RP - Space Transportation
DLR - Research theme (Project):R - Wiederverwendbare Raumfahrtsysteme (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Spacecraft and Orbital Propulsion
Deposited By: Lauck, Felix
Deposited On:13 Apr 2021 06:39
Last Modified:13 Apr 2021 06:39

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