Results 71 to 80 of about 25,713 (266)

Modular simulation software development for liquid propellant rocket engines based on MATLAB Simulink

, 2017
Focusing on Liquid Propellant Rocket Engine (LPRE) major components, a steady state modular simulation software has been established in MATLAB Simulink. For integrated system analysis, a new algorithm dependant on engine inlet mass flow rate and pressure
M. Naderi, Guozhu Liang, H. Karimi
semanticscholar   +1 more source

A Case Study on Current Developments and Future Direction of Hypergolic Propellant Systems

Aerospace
Hypergolic propellants are easy to start and restart, stay liquid at normal temperatures, and avoid storage issues, making them ideal for spacecraft propulsion systems.
Nadir Yilmaz, Michael Arowolo, Alpaslan Atmanli   +2 more
doaj   +1 more source

Mathematical model for heat transfer in variable thickness fins for rocket engines

Challenges and Issues of Modern Science
Purpose. This article aims to develop a mathematical model for a fin in the cooling system of liquid propellant rocket engines. The objective is to enable calculations for fins with arbitrary thickness variation. The developed mathematical model will be
Volodymyr Sliusariev, Valerii Bucharskyi
doaj  

Research Progress of Decommissioned Solid Rocket Motor Charge Emptying and Recycling Technology [PDF]

Hangkong bingqi
As the service life of solid rocket engines comes to an end, their operational reliability and performance stability gradually decline. Effectively disposing of large numbers of retired solid rocket engines has become a critical issue.
Zhou Yaping, Lin Zhihui, Wang Maoyu, Dong Jun, Liu Tiansheng, Qiao Haitao
doaj   +1 more source

Cooling process of liquid propellant rocket by means of kerosene-alumina nanofluid

Propulsion and Power Research, 2016
Heat transfer augmentation of kerosene-alumina nanofluid is studied for the possible use in the regenerative cooling channel of semi cryogenic engine.
Mostafa Mahmoodi, Sh. Kandelousi
doaj   +1 more source

Energetic Compositions Application for the Reduction of the Environmental Pollution Because of Space Vehicle Launches

Eurasian Chemico-Technological Journal, 2017
Technogeneous impact of rocket and space activities on the environment is one of the most actual problems of practical cosmonautics. This technogeneous impact is not only the pollution of near Earth space with space debris (worked-off stages of space ...
V. Trushlyakov, D. Lempert, Yuan- jie Shu   +2 more
doaj   +1 more source

ADN – The new oxidizer around the corner for an environmentally friendly smokeless propellant [PDF]

Journal of Aerospace Technology and Management, 2009
The search for a smokeless propellant has encouraged scientists and engineers to look for a chlorine-free oxidizer as a substitute for AP (ammonium perchlorate).
Márcio Y. Nagamachi, José Irineu S. Oliveira, Aparecida M. Kawamoto, Rita de Cássia L. Dutra   +3 more
doaj  

ON THE STABILITY OF THE STABILIZED MOTION OF A CARRIER ROCKET WITH A LIQUID-PROPELLANT JET ENGINE AND AN ONBOARD DIGITAL COMPUTER IN THE STABILIZATION LOOP

, 2022
Eugene Aleksandrov, Тетяна Александрова, Iryna Kostianyk, Yaroslav Morgun   +3 more
openalex   +2 more sources

Optimal Output Tracking Control Simulation for Thrust Control of an Open-cycle Liquid Propellant Rocket Engine

, 2020
Jihyoung Cha, Woo‐Sung Cho, Sangho Ko
openalex   +1 more source

The problem of combustion instability in liquid rocket engines

Challenges and Issues of Modern Science
The purpose of this work is to carry out an overview on combustion instability in liquid propellant rocket engines, its classification, the main principles of occurrence as well as ways to prevent the phenomena while designing of the prospective engine.
Samir Vekilov, Volodymyr Lipovskyi, Roman Pustovyi   +2 more
doaj