Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines
Hybrid rocket engines are promising propulsion systems which present appealing features such as safety, low cost, and environmental friendliness. On the other hand, certain issues hamper the development hoped for. The present paper discusses approaches addressing improvements to one of the most impo...
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2012-01-01
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Series: | International Journal of Aerospace Engineering |
Online Access: | http://dx.doi.org/10.1155/2012/649753 |
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doaj-e565aaf951a34ec2bfad4cc4469c4af92020-11-24T22:33:49ZengHindawi LimitedInternational Journal of Aerospace Engineering1687-59661687-59742012-01-01201210.1155/2012/649753649753Approaches to Low Fuel Regression Rate in Hybrid Rocket EnginesDario Pastrone0Dipartimento di Ingegneria Meccanica e Aerospaziale, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, ItalyHybrid rocket engines are promising propulsion systems which present appealing features such as safety, low cost, and environmental friendliness. On the other hand, certain issues hamper the development hoped for. The present paper discusses approaches addressing improvements to one of the most important among these issues: low fuel regression rate. To highlight the consequence of such an issue and to better understand the concepts proposed, fundamentals are summarized. Two approaches are presented (multiport grain and high mixture ratio) which aim at reducing negative effects without enhancing regression rate. Furthermore, fuel material changes and nonconventional geometries of grain and/or injector are presented as methods to increase fuel regression rate. Although most of these approaches are still at the laboratory or concept scale, many of them are promising.http://dx.doi.org/10.1155/2012/649753 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Dario Pastrone |
spellingShingle |
Dario Pastrone Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines International Journal of Aerospace Engineering |
author_facet |
Dario Pastrone |
author_sort |
Dario Pastrone |
title |
Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines |
title_short |
Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines |
title_full |
Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines |
title_fullStr |
Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines |
title_full_unstemmed |
Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines |
title_sort |
approaches to low fuel regression rate in hybrid rocket engines |
publisher |
Hindawi Limited |
series |
International Journal of Aerospace Engineering |
issn |
1687-5966 1687-5974 |
publishDate |
2012-01-01 |
description |
Hybrid rocket engines are promising propulsion systems which present appealing features such as safety, low cost, and environmental friendliness. On the other hand, certain issues hamper the development hoped for. The present paper discusses approaches addressing improvements to one of the most important among these issues: low fuel regression rate. To highlight the consequence of such an issue and to better understand the concepts proposed, fundamentals are summarized. Two approaches are presented (multiport grain and high mixture ratio) which aim at reducing negative effects without enhancing regression rate. Furthermore, fuel material changes and nonconventional geometries of grain and/or injector are presented as methods to increase fuel regression rate. Although most of these approaches are still at the laboratory or concept scale, many of them are promising. |
url |
http://dx.doi.org/10.1155/2012/649753 |
work_keys_str_mv |
AT dariopastrone approachestolowfuelregressionrateinhybridrocketengines |
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