Results 81 to 90 of about 439 (179)

Hybrid Rocket Engine Burnback Simulations Using Implicit Geometry Descriptions

Aerospace
The performance of hybrid rocket engines is significantly influenced by the fuel geometry. Burnback simulations, to determine the fuel surface and fluid volume, are therefore an important tool for preliminary design.
Jan Erik Zeriadtke, Joël Martin, Viola Wartemann   +2 more
doaj   +1 more source

Investigation of Dual-Vortical-Flow Hybrid Rocket Engine without Flame Holding Mechanism

International Journal of Aerospace Engineering, 2018
A 250 kgf thrust hybrid rocket engine was designed, tested, and verified in this work. Due to the injection and flow pattern of this engine, this engine was named dual-vortical-flow engine.
A. Lai, T.-H. Chou, S.-S. Wei, J.-W. Lin, J.-S. Wu, Y.-S. Chen   +5 more
doaj   +1 more source

CFD Analysis of De Laval Nozzle of a Hybrid Rocket Engine [PDF]

E3S Web of Conferences
: The study gives a general overview of the CFD-simulated gas flow via the nozzle of a De Laval rocket engine. In CFD software, the mesh is generated using the nozzle’s geometry.
Ahmad Mohamed Tarmizi, Jagannathan Anudiipnath, Zhahir Amzari, Azami Muhammad Hanafi, Abidin Razali, Noordin Mohd Nor Hafizi, Nordin Norzaima   +6 more
doaj   +1 more source

The Application of Computational Thermo-Fluid-Dynamics to the Simulation of Hybrid Rocket Internal Ballistics with Classical or Liquefying Fuels: A Review

Aerospace, 2019
The computational fluid dynamics of hybrid rocket internal ballistics is becoming a key tool for reducing the engine operation uncertainties and development cost as well as for improving experimental data analysis.
Giuseppe Daniele Di Martino, Carmine Carmicino, Stefano Mungiguerra, Raffaele Savino   +3 more
doaj   +1 more source

Analysis of advanced cooling strategies for rocket engines conveying ternary hybrid nanofluids with second slip conditions and melting heat transfer

Case Studies in Thermal Engineering
Effective cooling in rocket engines is essential to prevent overheating and ensure efficient performance under extreme operating conditions. This study presents a comprehensive investigation into advanced cooling strategies for rocket engines utilizing ...
Hatem Gasmi, A.M. Obalalu, Umair Khan, Anuar Ishak, Hami Gündoğdu, Nermeen Abdullah, Samia Elattar, Ahmed M. Galal   +7 more
doaj   +1 more source

Design Mode Analysis of Pareto Solution Set for Decision-Making Support

Journal of Applied Mathematics, 2014
Decision making in engineering design problems is challenging because they have multiple and conflicting criteria and complex correlation between design parameters.
Satoru Hiwa, Tomoyuki Hiroyasu, Mitsunori Miki   +2 more
doaj   +1 more source

3D printed different polymer fuel grains for hybrid rocket engine

FirePhysChem
The advent of various additive manufacturing technologies, such as 3D printing, has changed the structural design and preparation process of rocket fuels.
Xiaodong Yu, Hongsheng Yu, Hongwei Gao, Wei Zhang, Luigi T. DeLuca, Ruiqi Shen   +5 more
doaj   +1 more source

Design and Optimization of a Hybrid Gas Generator for Hydrogen Peroxide Tank Pressurization

Challenges and Issues of Modern Science
Purpose. This study develops a pressurization system for hydrogen peroxide tanks using a hybrid gas generator powered by liquid oxygen and solid fuel.
Mykhailo Vorobei, Mykola Bondarenko
doaj  

AN OPTIMIZED HYBRID ROCKET MOTOR FOR THE SARA PLATFORM REENTRY SYSTEM DOI 10.5028/jatm.2012.04032312

Journal of Aerospace Technology and Management, 2012
This paper has described a system design process, based on a multidisciplinary optimization technique, of a conceptual optimized hybrid propellant rocket motor. The proposed engine could be a technological option for the reentry maneuvering system of the
Pedro Luiz Kaled Da Cás, Cristiano Queiroz Vilanova, Manuel Nascimento Dias Barcelos Jr., Carlos Alberto Gurgel Veras   +3 more
doaj  

Multimatrix Composite Materials for Rocket Nozzle Manufacturing: A Comparative Review. [PDF]

Polymers (Basel)
Meiirbekov M, Sadykov M, Kuandyk A, Nurguzhin M, Janikeyev M, Gulmaira P, Mustafa L, Yesbolov N.   +7 more
europepmc   +1 more source