Results 1 to 10 of about 20,762 (209)

Hydrogen peroxide – A promising oxidizer for rocket propulsion and its application in solid rocket propellants

open access: yesFirePhysChem, 2022
This paper discusses the potential use of hydrogen peroxide as oxidizer for solid rocket propulsion. While hydrogen peroxide is a liquid in normal conditions, it may be used in solid rocket motor grains.
Wioleta Kopacz   +5 more
doaj   +3 more sources

Optimization and Sizing for Propulsion System of Liquid Rocket Using Genetic Algorithm

open access: yesChinese Journal of Aeronautics, 2007
AbstractFlight vehicle conceptual design appears to be a promising area for application of the Genetic Algorithm (GA) as an approach to help to automate part of the design process. This computational research effort strives to develop a propulsion system design strategy for liquid rocket to optimize take-off mass, satisfying the mission range under the
Saqlain, Akhtar, He, Lin-shu
exaly   +2 more sources

Study of Manufacturing Processes for Liquid Rocket Turbopump Impellers: Test and Analysis [PDF]

open access: yesJournal of Aerospace Technology and Management, 2020
In the context of the cooperative development of the L75 Liquid Rocket Engine (with 75 kN of thrust) and in the frame of a global enlargement of competence in the field of turbomachines for liquid rocket propulsion systems, Institute of Space Propulsion ...
Ekaterina Sergueievna Zink   +5 more
doaj   +2 more sources

Developing a Universal Software for the Conceptual Design of Cryogenic Rocket Propulsion System [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2022
In this article, a universal algorithm and engineering software is presented for the conceptual design of cryogenic rocket propulsion system. The algorithm consisting five engine working cycles: pressure fed, gas generator, staged combustion, closed and ...
Nourbakhsh Fouladi   +1 more
doaj   +1 more source

A Load-Carrying Capacity Evaluation Method for the Welded Joints of Rocket Engine Frame

open access: yesAerospace, 2023
The load-carrying capacities of welded joints need to be paid attention to in the design of the frame, which transfers the thrust generated by the rocket engine to the rocket body.
Yushan Gao   +3 more
doaj   +1 more source

Multi-Objective, Multi-Disciplinary Design Optimization and Multi-Attribute Evaluation of Hybrid Rocket Motors Used for Manned Lunar Lander

open access: yesAerospace, 2023
This paper proposed a multi-objective, multi-disciplinary design optimization and multi-attribute evaluation method for the manned lunar lander descent stage.
Yang Liu   +5 more
doaj   +1 more source

Bridging the Technology Gap: Strategies for Hybrid Rocket Engines

open access: yesAerospace, 2023
Hybrid rocket propulsion, first demonstrated by the Russian GIRD-09 rocket in 1933, combines liquid oxidizer and solid fuel for thrust generation. Despite numerous advantages, such as enhanced safety, controllability, and potential environmental benefits,
Christopher Glaser   +2 more
doaj   +1 more source

Numerical Study of the Effects of Injection Conditions on Rotating Detonation Engine Propulsive Performance

open access: yesAerospace, 2023
A three-dimensional upwind conservation element and solution element method (CESE) in cylindrical coordinates is first developed to effectively solve the unsteady reactive Euler equations governing a hydrogen–air rotating detonation engine (RDE) with ...
Lisong Shi   +5 more
doaj   +1 more source

The Load Spectrum Compilation of Engine Vibration Fatigue Based on Frequency Rain-flow Counting Method

open access: yesHangkong gongcheng jinzhan, 2021
The traditional rain-flow counting method is suitable for conventional fatigue load calculation, and cannot retain the frequency information of vibration fatigue. Frequency is very important for vibration fatigue.
LI Binchao, TANG Jing, YIN Zhiping
doaj   +1 more source

Numerical Simulation of Chemical Propulsion Systems: Survey and Fundamental Mathematical Modeling Approach

open access: yesAerospace, 2023
This study deals with the mathematical modeling and numerical simulation of chemical propulsion systems (CPSs). For this, we investigate and summarize a comprehensive collection of the simulation modeling developments of CPSs in academic works ...
Jihyoung Cha
doaj   +1 more source

Home - About - Disclaimer - Privacy