Results 11 to 20 of about 2,308,912 (234)
Experimental Investigation into Closed-Loop Control for HTPB-Based Hybrid Rocket Motors
Aerospace, 2023 Space exploration greatly facilitates the development of advanced propulsion systems. Extensive research has shown that hybrid rocket motors have bright prospects for use in variable-thrust propulsion systems.
Guang Tan +6 more
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Effect of Varying Design Options on the Transient Behavior of a Hybrid Rocket Motor
Journal 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
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A Study of Rocket Exhaust Particles [PDF]
, 1996 The exhaust -plumes generated by rocket motors are of significant military importance for missile detection, recognition and communication due to their electromagnetic emission and propagation properties. The plume is a high temperature, high velocity
Dennis, C. W.
core +7 more sources
Swirl Injection Effects on Hybrid Rocket Motors
Journal of Aerospace Technology and Management, 2015 In the last decades, hybrid rocket engines have been increasingly studied and used in space vehicles. However, the low regression rates and specific impulses still represent major drawbacks to this technology. The objective of this study was to quantify
Susane Ribeiro Gomes +2 more
doaj +4 more sources
Beyond Traditional Phenolics: Disulfide Bonds for Performance Enhancement of Aerospace Ablation-Resistant Materials from Processing to Recycling. [PDF]
Adv Sci (Weinh)The dynamic disulfide bonds facilitated the development of high‐performance aerospace ablation‐resistant materials. At moderate temperature, the dissociation and recombination of disulfide bonds ensured excellent processability, mechanical properties, and recycling ability of phenolic resin; at high temperature, cleavage of disulfide bonds produced ...
Li Y +9 more
europepmc +2 more sources
Aerospace, 2023 This paper proposed a multi-objective, multi-disciplinary design optimization and multi-attribute evaluation method for the manned lunar lander descent stage.
Yang Liu +5 more
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Computational algorithm for hybrid rocket motor preliminary design [PDF]
Kafrelsheikh Journal of Information Sciences, 2021 Hybrid rockets present a compromise between solid and liquid rockets. It has a simpler design than liquid rockets and higher performance than solid rockets. It is constructed from an oxidizer tank followed by a solid fuel grain. Therefore, the combustion
Mohamed Sakr
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Closed Loop Throttle Control of a Liquefying Fuel Hybrid Rocket Motor [PDF]
Journal 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
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HYBRID ROCKET MOTOR SCALING PROCESS [PDF]
, 2016 Hybrid rocket propulsion technology shows promise for the next generation of sounding rockets and small launch vehicles. This paper seeks to provide details on the process of developing hybrid propulsion systems to the academic and amateur rocket ...
Vanherweg, Joseph B. R.
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Numerical Investigation on Hybrid Rocket Motors with Star-Segmented Rotation Grain
Aerospace, 2022 A novel fuel grain configuration comprising two star-segmented grains is proposed. The effect of the rotation, mid-chamber length, and segmented position on the fuel regression rate and the combustion efficiency in hybrid rocket motors with star ...
Hui Tian +5 more
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