Results 41 to 50 of about 289 (114)
Experimental Investigation on a Throttleable Pintle-Centrifugal Injector
Applied SciencesThis paper presents the design and experimental evaluation of a throttleable pintle-centrifugal injector system tailored for hybrid rocket engines, aimed at improving combustion efficiency and enabling precise throttling control.
Tianwen Li +3 more
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A theoretical study on throttle ranges of O/F controllable hybrid rocket propulsion systems
Journal of Fluid Science and Technology, 2018 The characteristics of several O/F control methods for hybrid rocket propulsion have been discussed and theoretically analyzed from the physical properties of propellants and fuel regression behavior.
Kohei OZAWA, Toru SHIMADA
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Case Studies in Thermal EngineeringEffective cooling in rocket engines is essential to prevent overheating and ensure efficient performance under extreme operating conditions. This study presents a comprehensive investigation into advanced cooling strategies for rocket engines utilizing ...
Hatem Gasmi +7 more
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Approaches to Low Fuel Regression Rate in Hybrid Rocket Engines
International Journal of Aerospace Engineering, 2012 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.
Dario Pastrone
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Testing and Modeling Fuel Regression Rate in a Miniature Hybrid Burner
International Journal of Aerospace Engineering, 2012 Ballistic characterization of an extended group of innovative HTPB-based solid fuel formulations for hybrid rocket propulsion was performed in a lab-scale burner. An optical time-resolved technique was used to assess the quasisteady regression history of
Luciano Fanton +2 more
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Development and Testing of a Fast-Acting, 8-Bit, Digital Throttle for Hybrid Rocket Motors
FireThe potential for throttle control of hybrid rocket systems has long been known as a potential advantage for a variety of applications. Because only a single flow path is controlled, theoretically, hybrids should be significantly easier to throttle than ...
Stephen A. Whitmore
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Neural Network-Based Optimization of Hybrid Rocket Design for Modular Multistage Launch Vehicle
AerospaceIn this paper, an integrated optimization is carried out to find the optimal hybrid rocket engine design for a modular multistage launch vehicle targeting a 500 km polar circular orbit. A single hybrid rocket engine unit is reused across the whole launch
Paolo Maria Zolla +3 more
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AN OPTIMIZED HYBRID ROCKET MOTOR FOR THE SARA PLATFORM REENTRY SYSTEM DOI 10.5028/jatm.2012.04032312
Journal of Aerospace Technology and Management, 2012 This paper has described a system design process, based on a multidisciplinary optimization technique, of a conceptual optimized hybrid propellant rocket motor. The proposed engine could be a technological option for the reentry maneuvering system of the
Pedro Luiz Kaled Da Cás +3 more
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Using Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges
Challenges and Issues of Modern ScienceThis paper explores the innovative use of hydrogen peroxide (H₂O₂) as a pressurizing agent for rocket fuel tanks, highlighting its potential to enhance efficiency and performance in rocket propulsion systems.
Mykhailo Vorobei, Mykola Bondarenko
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Journal of Aerospace Technology and Management, 2013 http://dx.doi.org/10.5028/jatm.v5i3.242 The purpose of this article is to present a study on the technological development of propellants, which are used in solid and hybrid rocket motor, that have been employing hydroxyl-terminated polybutadiene (HTPB)
Gilson da Silva +2 more
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