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Tomasz Palacz and Jacek Cieslik
The paper is part of the research aimed at determining if the vortex flow pancake (VFP) hybrid rocket engine is feasible as green in-space chemical propulsion. The objective of this study is to test an N2O/HDPE VFP hybrid ignited with N2O/C3H8 torch igni...
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Stefano Mini, Fabrizio Ponti, Alessandro Brusa, Roberto Bertacin and Barbara Betti
Numerical studies intended to predict solid rocket motors anomalies are the major contributors when developing strategies to both limit expensive fire tests and to investigate and understand the physical phenomena from which anomalies can arise. This pap...
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Claudio Bruno, Antonella Ingenito and Domenico Simone
A human Mars mission is more challenging to astronauts than the Apollo mission because of travel time, life support requirements, and the space environment. Although plans for Mars exploration by NASA and SpaceX based on conventional rockets have been pr...
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Bing Liu, Renfeng Li, Xiaohan Chen, Jinlan Gou, Bangming Li and Guigao Le
This paper aims to study the influence of the structure of spray holes and throats on the flow field and the internal trajectory of the gas?steam ejection device. The compressible Navier?Stokes equations, discrete ordinate methods and RNG k-e turbulence ...
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Qiuwen Miao, Zhibin Shen, Huihui Zhang and Haitao Sun
To improve the performance of a solid rocket motor (SRM), a multiobjective optimal design method that can consider the structural integrity, internal ballistic performance, and loading performance of the SRM was proposed based on parametric modeling and ...
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Xiaodong Yu, Hongsheng Yu, Wei Zhang, Luigi T. DeLuca and Ruiqi Shen
3D printing manufacturing is used to manufacture hybrid rocket fuel grains featuring a special grid-like structure in order to control combustion performance. An innovative penetrative combustion mechanism, capable of affecting regression rate, was notic...
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Mikhail V. Shubov
A concept of drone launched short range rockets (DLSRR) is presented. A drone or an aircraft rises DLSRR to a release altitude of up to 20 km. At the release altitude, the drone or an aircraft is moving at a velocity of up to 700 m/s and a steep angle of...
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Aleksandr Golubek,Mykola Dron?,Ludmila Dubovik,Andrii Dreus,Oleksii Kulyk,Petro Khorolskiy
Pág. 78 - 87
A method has been developed for the combined de-orbiting of large-size objects of space debris from low-Earth orbits using an electro-rocket propulsion system as an active de-orbiting means.A principal de-orbiting technique has been devised, which takes ...
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Dariusz Horla
The paper presents the application of variational calculus to achieve the optimal design of the open-loop control law in the process of anti-ballistic missile interception task. It presents the analytical results in the form of appropriate Euler?Lagrange...
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David R. Greatrix
The ability to understand and predict the expected internal behaviour of a given solid-propellant rocket motor under transient conditions is important. Research towards predicting and quantifying undesirable transient axial combustion instability symptom...
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