Results 1 to 10 of about 3,930,302 (147)
Effect of Penetrative Combustion on Regression Rate of 3D Printed Hybrid Rocket Fuel
Aerospace, 2022 3D printing manufacturing is used to manufacture hybrid rocket fuel grains featuring a special grid-like structure in order to control combustion performance.
Xiaodong Yu +4 more
doaj +1 more source
Aerospace, 2023 The combustion characteristics of a swirl-radial-injection composite fuel grain were experimentally and numerically investigated. This composite grain permits swirl-radial oxidizer injection based on three hollow helical blades, each having a constant ...
Ruoyan Wang +7 more
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Aerospace, 2023 The slow regression rate induced by the high pyrolysis difficulty has limited the application and development of hydroxyl-terminated polybutadiene (HTPB)-based fuels in hybrid rocket propulsion.
Hongsheng Yu +5 more
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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
doaj +1 more source
Beeswax–EVA/Activated-Charcoal-Based Fuels for Hybrid Rockets: Thermal and Ballistic Evaluation
Energies, 2022 Beeswax (C46H92O) is a naturally derived substance that has the potential to be used as a solid fuel for hybrid rocket applications and as a substitute for paraffin wax fuel in hybrid rockets.
Sri Nithya Mahottamananda +3 more
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Dynamic Numerical Simulation of Hybrid Rocket Motor with HTPB-Based Fuel with 58% Aluminum Additives
Aerospace, 2022 The addition of aluminum (Al) to the fuel is an effective way to increase the regression rate of hybrid rocket motors (HRMs). Due to its high regression rate, the impact of the regression of combustion surface on the performance of HRMs cannot be ignored.
Hui Tian +5 more
doaj +1 more source
Modeling and CFD Simulation of Regression Rate in Hybrid Rocket Motors
Fire, 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
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Improving likelihood-based inference in control rate regression [PDF]
, 2017 Control rate regression is a diffuse approach to account for heterogeneity among studies in meta-analysis by including information about the outcome risk of patients in the control condition.
Guolo, Annamaria
core +2 more sources
Study on Thermal Degradation Characteristics and Regression Rate Measurement of Paraffin-Based Fuel
Energies, 2015 Paraffin fuel has been found to have a regression rate that is higher than conventional HTPB (hydroxyl-terminated polybutadiene) fuel and, thus, presents itself as an ideal energy source for a hybrid rocket engine.
Songqi Hu +4 more
doaj +1 more source
Energies, 2019 In this paper, the effect of sudden expansion ratio of solid fuel ramjet (SFRJ) combustor is numerically investigated with swirl flow. A computational fluid dynamics (CFD) code is written in FORTRAN to simulate the combustion and flow patterns in the ...
Weixuan Li +3 more
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