Results 21 to 30 of about 940 (232)

Three-dimensional printed metal-nested composite fuel grains with superior mechanical and combustion properties

Virtual and Physical Prototyping, 2022
The mechanical and combustion properties of metal-nested composite hybrid rocket fuel grains composed of spiral aluminium (Al) frameworks fabricated using three-dimensional (3D) printing with an embedded paraffin-based fuel were investigated.
Xin Lin, Dandan Qu, Xuedong Chen, Zezhong Wang, Jiaxiao Luo, Dongdong Meng, Guoliang Liu, Kun Zhang, Fei Li, Xilong Yu   +9 more
doaj   +1 more source

Experimental Firing Test Campaign and Nozzle Heat Transfer Reconstruction in a 200 N Hybrid Rocket Engine with Different Paraffin-Based Fuel Grain Lengths

Aerospace, 2023
Firing test campaigns were carried out on a 200 N thrust-class hybrid rocket engine, using gaseous oxygen as an oxidizer and a paraffin-wax-based fuel.
Daniele Cardillo, Francesco Battista, Giuseppe Gallo, Stefano Mungiguerra, Raffaele Savino   +4 more
doaj   +1 more source

Diversity of design knowledge for launch vehicle in view of fuels on hybrid rocket engine

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
A single-stage launch vehicle with hybrid rocket engine, which uses solid fuel and liquid oxidizer, has been studied and developed as a next-generation rocket for scientific observation due to the advantages as low cost, safety, re-ignition, and reduced ...
Kazuhisa CHIBA, Masahiro KANAZAKI, Masaki NAKAMIYA, Koki KITAGAWA, Toru SHIMADA   +4 more
doaj   +1 more source

Swirled injector modeling for cavitating multiphase flow [PDF]

E3S Web of Conferences, 2019
The goal of this study is to present a comparison between different approaches to multiphase injection modeling of self-pressurized rocket engine propellant.
Ziegler Bartosz, Mosędrżny Jędrzej, Lewandowska Natalia   +2 more
doaj   +1 more source

The Adaptive Composite Block-Structured Grid Calculation of the Gas-Dynamic Characteristics of an Aircraft Moving in a Gas Environment

Mathematics, 2022
This paper considers the problem associated with the numerical simulation of the interaction between the cocurrent stream occurring near a monoblock moving in the gas medium and solid fuel combustion products flowing from a solid fuel rocket engine (SFRE)
Victor V. Kuzenov, Sergei V. Ryzhkov, Aleksey Yu. Varaksin   +2 more
doaj   +1 more source

Conceptual design of single-stage launch vehicle with hybrid rocket engine using design informatics

Nihon Kikai Gakkai ronbunshu, 2014
A single-stage launch vehicle with hybrid rocket engine has been conceptually designed by using design informatics, which has three points of view, i.e., problem definition, optimization, and data mining.
Kazuhisa CHIBA, Shin'ya WATANABE, Masahiro KANAZAKI, Koki KITAGAWA, Toru SHIMADA   +4 more
doaj   +1 more source

Design, Production and Evaluation of 3D-Printed Mold Geometries for a Hybrid Rocket Engine

Aerospace, 2021
The feasibility of 3D-printed molds for complex solid fuel block geometries of hybrid rocket engines is investigated. Additively produced molds offer more degrees of freedom in designing an optimized but easy to manufacture mold.
Benedict Grefen, Johannes Becker, Stefan Linke, Enrico Stoll   +3 more
doaj   +1 more source

Conceptual design: Dependence of parameterization on design performance of three-stage hybrid rocket

Journal of Fluid Science and Technology, 2014
The subject of this paper is to improve on parameterization for conceptual design method of three stage hybrid rocket. Multi-Objective Genetic Algorithm (MOGA) is employed to solve multi-disciplinary design exploration of a three-stage launch vehicle ...
Masahiro KANAZAKI, Fumio KANAMORI, Yosuke KITAGAWA, Masaki NAKAMIYA, Koki KITAGAWA, Toru SHIMADA   +5 more
doaj   +1 more source

Numerical Analysis of Paraffin-Wax/Oxygen Hybrid Rocket Engines [PDF]

Journal of Propulsion and Power, 2020
A predictive numerical approach, based on Reynolds-averaged Navier–Stokes simulations including the effects of turbulence, chemistry, fluid/surface interaction, and radiation, has been developed fo...
Migliorino M. T., Bianchi D., Nasuti F.
openaire   +2 more sources

A Review of Recent Developments in Hybrid Rocket Propulsion and Its Applications

Aerospace
This paper extensively reviews hybrid rocket propulsion-related activities from combustion engine designs to launch tests. Starting with a brief review of rocket propulsion development history, a comparison among the three bi-propellant rocket propulsion
Shih-Sin Wei, Meng-Che Li, Alfred Lai, Tzu-Hao Chou, Jong-Shinn Wu   +4 more
doaj   +1 more source