Hypergolic performance of dimethylthioformamide and hydrogen peroxide for bipropellant spacecraft propulsion systems
Hypergolic performance of dimethylthioformamide and hydrogen peroxide for bipropellant spacecraft propulsion systems
Among the green hypergolic propellants increasingly explored as less hazardous alternatives to conventional in-space propellants like monomethylhydrazine and dinitrogen tetroxide, high-test peroxide (HTP)and novel fuels offer promising reactivity and performance. This study investigates the hypergolicity of green bipropellant combination dimethylthioformamide (DMTF)/HTP. Physical and thermochemicalproperties were determined, and performance metrics estimated by simulation. Drop tests evaluated ignition delay time (IDT), examining the effects of fuel additive concentration, drop height and configuration, and mixture ratio. Adding 6 wt% copper(II) chloride to DMTF significantly reduced IDT(13.71 ± 0.86 ms). Results indicate that DMTF/HTP may be a viable green hypergolic pair.
Karci, Ahmet Nihat
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Swears, Rose
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Musker, Antony J.
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Ryan, Charles N.
3627e47b-01b8-4ddb-b248-4243aad1f872
July 2025
Karci, Ahmet Nihat
d83641df-94c2-4544-8b78-8442a73bffd0
Swears, Rose
2d93f804-c3c7-435a-a61f-d29ca389ce93
Musker, Antony J.
2458b670-f376-434a-89b3-1202378170a9
Ryan, Charles N.
3627e47b-01b8-4ddb-b248-4243aad1f872
Karci, Ahmet Nihat, Swears, Rose, Musker, Antony J. and Ryan, Charles N.
(2025)
Hypergolic performance of dimethylthioformamide and hydrogen peroxide for bipropellant spacecraft propulsion systems.
11th European Conference for Aeronautics and Aerospace Sciences (EUCASS), , Rome, Italy.
30 Jun - 04 Jul 2025.
15 pp
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Among the green hypergolic propellants increasingly explored as less hazardous alternatives to conventional in-space propellants like monomethylhydrazine and dinitrogen tetroxide, high-test peroxide (HTP)and novel fuels offer promising reactivity and performance. This study investigates the hypergolicity of green bipropellant combination dimethylthioformamide (DMTF)/HTP. Physical and thermochemicalproperties were determined, and performance metrics estimated by simulation. Drop tests evaluated ignition delay time (IDT), examining the effects of fuel additive concentration, drop height and configuration, and mixture ratio. Adding 6 wt% copper(II) chloride to DMTF significantly reduced IDT(13.71 ± 0.86 ms). Results indicate that DMTF/HTP may be a viable green hypergolic pair.
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Published date: July 2025
Venue - Dates:
11th European Conference for Aeronautics and Aerospace Sciences (EUCASS), , Rome, Italy, 2025-06-30 - 2025-07-04
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Local EPrints ID: 503527
URI: http://eprints.soton.ac.uk/id/eprint/503527
PURE UUID: 034e064e-bedd-47de-b871-b9290811758a
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Date deposited: 04 Aug 2025 16:54
Last modified: 04 Aug 2025 16:54
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Contributors
Author:
Ahmet Nihat Karci
Author:
Rose Swears
Author:
Antony J. Musker
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