Results 1 to 10 of about 437 (157)

Numerical modelling of the hybrid rocket engine performance

Propulsion and Power Research, 2021
The purpose of this paper is to present method of the numerical modeling of the hybrid rocket engine's work as a tool for designing engines of this type.
Marian Gieras, Aleksander Gorgeri
doaj   +4 more sources

Performances Study of a Hybrid Rocket Engine [PDF]

INCAS Bulletin, 2018
This paper presents a study which analyses the functioning and performances optimization of a hybrid rocket engine based on gaseous oxygen and polybutadiene polymer (HTPB).
Adrian-Nicolae BUTURACHE
doaj   +2 more sources

Design and Test of a Student Hybrid Rocket Engine with an External Carbon Fiber Composite Structure

Aerospace, 2020
The development of hybrid rockets offers excellent opportunities for the practical education of students at universities due to the high safety and relatively low complexity of the rocket propulsion system.
Francesca Heeg, Lukas Kilzer, Robin Seitz, Enrico Stoll   +3 more
doaj   +3 more sources

Emission-Driven Hybrid Rocket Engine Optimization for Small Launchers

Aerospace, 2022
Hybrid rocket engines are a green alternative to solid rocket motors and may represent a low-cost alternative to kerosene fueled rockets, while granting performance and control features similar to that of typical storable liquid rocket engines.
Lorenzo Casalino, Andrea Ferrero, Filippo Masseni, Dario Pastrone   +3 more
doaj   +3 more sources

Hybrid Rocket Engine Design Optimization at Politecnico di Torino: A Review

Aerospace, 2021
Optimization of Hybrid Rocket Engines at Politecnico di Torino began in the 1990s. A comprehensive review of the related research activities carried out in the last three decades is here presented.
Lorenzo Casalino, Filippo Masseni, Dario Pastrone   +2 more
doaj   +3 more sources

Audio-Based Engine Fault Diagnosis with Wavelet, Markov Blanket, ROCKET, and Optimized Machine Learning Classifiers. [PDF]

Sensors (Basel)
Engine fault diagnosis is a critical task in automotive aftermarket management. Developing appropriate fault-labeled datasets can be challenging due to nonlinearity variations and divergence in feature distribution among different engine kinds or ...
Tuleski BL, Yamaguchi CK, Stefenon SF, Coelho LDS, Mariani VC.   +4 more
europepmc   +2 more sources

Opposition-based chaotic evolution for optimization. [PDF]

Sci Rep
Evolutionary computation algorithms are widely used for solving complex optimization problems, but their practical performance is often hindered by high computational costs and premature convergence.
Li T, Pei Y.
europepmc   +2 more sources

HYBRID ROCKET ENGINE TEST FACILITY DESIGN

Havacılık ve Uzay Teknolojileri Dergisi, 2016
Hybrid rocket engines is relatively less researched subject of chemical rockets. Using fuel and oxidizer in different phases hybrids are safe and cheap. Yet, they are not generating enogh thrust to deliver heavy payloads to edge of space.
Ali Emre Samur, Abdurrahman Hacıoğlu, Arif Karabeyoğlu   +2 more
doaj   +1 more source

Comparison of Optimization Techniques and Objective Functions Using Gas Generator and Staged Combustion LPRE Cycles

Applied Sciences, 2022
This paper compares various optimization techniques and objective functions to obtain optimum rocket engine performances. This research proposes a modular optimization framework that provides an optimum design for Gas Generator (GG) and Staged Combustion
Suniya Sadullah Khan, Ihtzaz Qamar, Muhammad Umer Sohail, Raees Fida Swati, Muhammad Azeem Ahmad, Saad Riffat Qureshi   +5 more
doaj   +1 more source

Hybrid Rocket Engine Noise: Measurements and Predictions of Acoustic Environments from Horizontal Static Fire

Applied Sciences, 2023
A rocket’s turbulent jet radiates intense acoustic waves, which are an acoustic load for structural components like payload, launch structure, and rocket avionics, and impact communities near the launch site.
Giovanni Fasulo, Luigi Federico, Adolfo Sollazzo, Luciano De Vivo, Roberto Citarella   +4 more
doaj   +1 more source