Results 11 to 20 of about 1,084 (226)

Closed Loop Throttle Control of a Liquefying Fuel Hybrid Rocket Motor [PDF]

open access: goldJournal of Aerospace Technology and Management, 2021
The thrust produced by a hybrid rocket motor (HRM) can be controlled by varying the oxidizer flow rate to the combustion chamber. This feature is useful in shaping motor thrust profiles and optimizing a vehicle flight trajectory, but propellant ...
Timothy Velthuysen   +2 more
doaj   +4 more sources

Modeling and CFD Simulation of Regression Rate in Hybrid Rocket Motors [PDF]

open access: goldFire, 2023
As the research on hybrid rocket motors advances, more accurate tools are needed to estimate the performance of the system by determining its fundamental parameters. One of them is certainly the regression rate of the solid fuel.
Alessandro Rampazzo, Francesco Barato
doaj   +2 more sources

An Application of Analytical Target Cascading for a Hierarchical Multidisciplinary System: The Preliminary Design of a Launch Vehicle Powered by Hybrid Rocket Motors [PDF]

open access: goldAerospace, 2022
Analytical target cascading (ATC) is a method for coordinating hierarchical system design optimization with a decomposition-based framework. Since a launch vehicle (LV) is usually powered by two or more stages of rocket motors, the overall design of the ...
Pengcheng Wang   +4 more
doaj   +2 more sources

Effect of Varying Design Options on the Transient Behavior of a Hybrid Rocket Motor [PDF]

open access: goldJournal of Aerospace Technology and Management, 2014
Hybrid rockets provide compelling features for use in atmospheric and space rocket propulsion. One of the prominent applications of hybrid rockets which foster on its characteristics is the propulsion of micro air launch vehicles. In this paper, a set of
Raed Kafafy   +2 more
doaj   +2 more sources

Solid Rocket Motor Design Using Hybrid Optimization [PDF]

open access: yesInternational Journal of Aerospace Engineering, 2012
A particle swarm/pattern search hybrid optimizer was used to drive a solid rocket motor modeling code to an optimal solution. The solid motor code models tapered motor geometries using analytical burn back methods by slicing the grain into thin sections ...
Kevin Albarado   +3 more
doaj   +2 more sources

Design Optimization and Parameter Analysis of a Hybrid Rocket Motor-Powered Small LEO Launch Vehicle [PDF]

open access: goldInternational Journal of Aerospace Engineering, 2021
In this paper, the effects of different grain shapes of a hybrid rocket motor (HRM) and different payload mass/orbit heights on the design of small launch vehicles (SLVs) are systematically discussed.
Hao Zhu   +5 more
doaj   +2 more sources

A LABSCALE HYBRID ROCKET MOTOR IGNITION SYSTEM [PDF]

open access: bronzeThe International Conference on Applied Mechanics and Mechanical Engineering, 2012
ABSTRACTThe hybrid propulsion has the superiority of safety (Non-explosive), simplicity (highreliability), low environmental pollution and available technology over traditional solidand liquid propulsion, all these benefits have a tendency to low cost and laboratorywork.
Ah. Makled   +3 more
openalex   +2 more sources

Large-Scale CAMUI Type Hybrid Rocket Motor Scaling, Modeling, and Test Results [PDF]

open access: goldAerospace, 2021
An understanding of the scalability of hybrid rocket regression models is critical for the enlargement and commercialization of small-scale engines developed within universities and similar research institutions.
Tor Viscor   +4 more
doaj   +2 more sources

Experimental Study of the Swirling Oxidizer Flow in HTPB/N2O Hybrid Rocket Motor [PDF]

open access: goldInternational Journal of Aerospace Engineering, 2017
Effects of swirling oxidizer flow on the performance of a HTPB/N2O Hybrid rocket motor were studied. A hybrid propulsion laboratory has been developed, to characterize internal ballistics characteristics of swirl flow hybrid motors and to define the ...
Mohammad Mahdi Heydari   +1 more
doaj   +2 more sources

Thrust Control of Lab-Scale Hybrid Rocket Motor with Wax-Aluminum Fuel and Air as Oxidizer [PDF]

open access: goldAerospace, 2022
This article explores the throttling aspect of the hybrid rocket motor through experiments using a lab-scale motor. The lab-scale motor utilizes a wax-Al based fuel and compressed air as the oxidizer.
Anandu Bhadran   +2 more
doaj   +2 more sources

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