Results 81 to 90 of about 342 (196)

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  

Using Hydrogen Peroxide for Rocket Fuel Tank Pressurization: Innovations, Advantages, and Challenges

Challenges and Issues of Modern Science
This paper explores the innovative use of hydrogen peroxide (H₂O₂) as a pressurizing agent for rocket fuel tanks, highlighting its potential to enhance efficiency and performance in rocket propulsion systems.
Mykhailo Vorobei, Mykola Bondarenko
doaj  

Creep Prediction of Fluoroplastics Based on Physics Informed Neural Networks

IEEE Access
Fluoroplastics are key sealing materials in rocket engines. They can easily fail due to creep during long-term storage, which may threaten the engines’ safety during operation.
Wuqi Gao, Yinan Ren, Zhidong Yang
doaj   +1 more source

Explainable Data Mining Framework of Identifying Root Causes of Rocket Engine Anomalies Based on Knowledge and Physics-Informed Feature Selection

Machines
Liquid rocket engines occasionally experience abnormal phenomena with unclear mechanisms, causing difficulty in design improvements. To address the above issue, a data mining method that combines ante hoc explainability, post hoc explainability, and ...
Xiaopu Zhang, Wubing Miao, Guodong Liu
doaj   +1 more source

Metal-organic frameworks as hypergolic additives for hybrid rockets. [PDF]

Chem Sci, 2022
Jobin O, Mottillo C, Titi HM, Marrett JM, Arhangelskis M, Rogers RD, Elzein B, Friščić T, Robert É.   +8 more
europepmc   +1 more source

Features of paraffin-based fuel conversion for hybrid engines

Авіаційно-космічна техніка та технологія
The subject of this study is the evaporation and combustion processes of paraffin droplets in a gaseous medium containing an oxidant (air). Paraffin is a low-melting material that can be used as an environmentally friendly and high-energy fuel for hybrid
Svitlana Orlovska
doaj   +1 more source

Swirl Injection Effects on Hybrid Rocket Motors

Journal of Aerospace Technology and Management, 2015
In the last decades, hybrid rocket engines have been increasingly studied and used in space vehicles. However, the low regression rates and specific impulses still represent major drawbacks to this technology. The objective of this study was to quantify
Susane Ribeiro Gomes, Leopoldo Rocco Junior, José Atílio Fritz Fidel Rocco   +2 more
doaj  

Analysis of carbon nano particle variant as the propellant fuel to increase specific impulses of rockets. [PDF]

F1000Res, 2023
Navalino R, Muda N, Hafizah M, Ruyat Y.
europepmc   +1 more source

Advancements and Limitations in 3D Printing Materials and Technologies: A Critical Review. [PDF]

Polymers (Basel), 2023
Iftekar SF, Aabid A, Amir A, Baig M.
europepmc   +1 more source

A Method for Real-Time Fault Detection of Liquid Rocket Engine Based on Adaptive Genetic Algorithm Optimizing Back Propagation Neural Network. [PDF]

Sensors (Basel), 2021
Yu H, Wang T.
europepmc   +1 more source