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Test Campaign of a 10000 N Hybrid Rocket Engine

Kobald, Mario and Schmierer, C. and Petrarolo, Anna (2015) Test Campaign of a 10000 N Hybrid Rocket Engine. 6th EUROPEAN CONFERENCE FOR AEROSPACE SCIENCES (EUCASS), 29. Jun. - 03. Jul. 2015, Krakau, Polen.

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Abstract

A 10000 N hybrid rocket engine called HyRES (Hybrid Rocket Engine Stuttgart) is developed, built and tested by the student team Hybrid Engine development (HyEnD) at the University of Stuttgart within the DLR STERN program. It serves as the main propulsion system for the HEROS sounding rocket, which shall be launched from Esrange in Sweden. The rocket shall reach an altitude of at least 20 km, and this determines the engine thrust and burn time. HyRES is aimed to have a total impulse of over 100 kNs with a nominal burn time of 10-15 sec. The targeted combustion efficiency is more than 90 % in order to provide high performance for maximum flight altitude. HyRES is using a liquefying paraffin-based solid fuel and Nitrous oxide (N2O) as oxidizer. The usage of liquefying fuels enables a simple single port fuel designs and a higher fuel utilization compared to low regression rate fuels like Hydroxyl-terminated Polybutadien (HTPB). The application of a self-pressurizing oxidizer permits a simple propulsion system with good performance, without external pressurization. The development and the test campaign of HyRES is described in detail. The main goals of the test campaigns are to achieve a high combustion efficiency of the hybrid rocket engine and provide stable operation with low combustion chamber pressure fluctuations.

Item URL in elib:https://elib.dlr.de/99632/
Document Type:Conference or Workshop Item (Speech)
Title:Test Campaign of a 10000 N Hybrid Rocket Engine
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kobald, Mariomario.kobald (at) dlr.dehttps://orcid.org/0000-0002-1708-3944
Schmierer, C.christian.schmierer (at) dlr.deUNSPECIFIED
Petrarolo, Annaanna.petrarolo (at) dlr.dehttps://orcid.org/0000-0002-2291-2874
Date:July 2015
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hybrid rocket engine, paraffon , Lachgas, Hybridraketenantrieb
Event Title:6th EUROPEAN CONFERENCE FOR AEROSPACE SCIENCES (EUCASS)
Event Location:Krakau, Polen
Event Type:international Conference
Event Dates:29. Jun. - 03. Jul. 2015
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 > Propellants
Deposited By: Kobald, Dr. Mario
Deposited On:20 Nov 2015 09:33
Last Modified:01 Dec 2018 19:51

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