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Hybrid Sounding Rocket HEROS TRL 9

Kobald, Mario and Fischer, U. and Tomilin, K. and Schmierer, C. and Petrarolo, Anna (2017) Hybrid Sounding Rocket HEROS TRL 9. 7th European Conference for Aeronautics and Space Sciences (EUCASS), 03.-06. Jul. 2017, Mailand, Italien.

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Abstract

The inherent safety of hybrid rocket propulsion offers some unique advantages compared to solid and liquid propellant rocket engines. This makes it especially attractive for space tourism, Micro-launcher and hands-on experiments in the education of students. On November 8th, 2016 at 10:30 a.m. the hybrid sounding rocket HEROS 3 was launched from the ESRANGE Space Center to an apogee altitude of 32,300m (106,000 ft). This set a new altitude record for European student and amateur rocketry and a world altitude record for hybrid rockets built by students. The 7.5m long rocket is using Nitrous Oxide (N2O) and a Paraffin-based fuel to produce 10,000 N of thrust. The dry mass of the rocket was only 75 kg thanks to a carbon fibre structure for the most part. The rocket performed the record breaking flight at perfect weather and visibility conditions, reaching a maximum airspeed of 720 m/s and Mach 2.3. The rocket performed a soft landing with two parachutes and can be reused. Flight data and engine performance data are published and analyzed. The flight data shows excellent stability of the rocket. Engine performance data proves very high efficiency and stable combustion as in the ground tests. Engine and flight trajectory simulations show very good agreements with the flight data. Furthermore, the overall project, the rockets design as well as the launch campaign are presented here in detail.

Item URL in elib:https://elib.dlr.de/113124/
Document Type:Conference or Workshop Item (Speech)
Title:Hybrid Sounding Rocket HEROS TRL 9
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kobald, Mariomario.kobald (at) dlr.dehttps://orcid.org/0000-0002-1708-3944
Fischer, U.ulrich.fischer (at) dlr.deUNSPECIFIED
Tomilin, K.konstantin.tomilin (at) dlr.deUNSPECIFIED
Schmierer, C.christian.schmierer (at) dlr.deUNSPECIFIED
Petrarolo, Annaanna.petrarolo (at) dlr.dehttps://orcid.org/0000-0002-2291-2874
Date:3 July 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hybrid rocket Propulsion, Sounding Rocket, Altitude Record, Paraffin fuel, nitrous oxide
Event Title:7th European Conference for Aeronautics and Space Sciences (EUCASS)
Event Location:Mailand, Italien
Event Type:international Conference
Event Dates:03.-06. Jul. 2017
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 - Antriebsystemtechnik - Raketenantriebtests
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Kobald, Dr. Mario
Deposited On:07 Jul 2017 08:52
Last Modified:01 Dec 2018 19:52

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