Results 11 to 20 of about 7,278 (247)

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

An improved thermal jet for the propellant launching system

open access: yesCase Studies in Thermal Engineering, 2023
This work is focused to study the energy release and flow behavior of liquid propellant during internal ballistics cycle of liquid launching system on the base of the thermal gas jet.
Xiaochun Xue, Yonggang Yu
doaj   +1 more source

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   +1 more source

Progress in additive manufacturing, additive repair and fatigue evaluation of aviation titanium alloy blades

open access: yesMaterials Research Letters, 2023
The aviation industry is a key market that promote additive manufacturing (AM) technology since there are huge demands for precision manufacture of high-value complex structural parts and repair of local defects.
Lingfeng Wang   +6 more
doaj   +1 more source

An Overview of Cube-Satellite Propulsion Technologies and Trends

open access: yesAerospace, 2017
CubeSats provide a cost effective means to perform scientific and technological studies in space. Due to their affordability, CubeSat technologies have been diversely studied and developed by educational institutions, companies and space organizations ...
Akshay Reddy Tummala, Atri Dutta
doaj   +1 more source

Review of State-of-the-Art Green Monopropellants: For Propulsion Systems Analysts and Designers

open access: yesAerospace, 2021
Current research trends have advanced the use of “green propellants” on a wide scale for spacecraft in various space missions; mainly for environmental sustainability and safety concerns.
Ahmed E. S. Nosseir   +2 more
doaj   +1 more source

BN/BNSiO2 sputtering yield shape profiles under stationary plasma thruster operating conditions

open access: yesAIP Advances, 2016
Quartz Crystal Microbalance (QCM) is used to measure the volumetric and total sputtering yield of Boron Nitride (BN) and Boron Nitride Silicon Dioxide (BNSiO2) bombarded by Xenon ions in the energy range of 100 eV to 550 eV.
M. Ranjan   +7 more
doaj   +1 more source

Comprehensive Performance Evaluation of Densified Liquid Hydrogen/Liquid Oxygen as Propulsion Fuel

open access: yesEnergies, 2022
Densified liquid hydrogen/liquid oxygen is a promising propulsion fuel in the future. In order to systematically demonstrate the benefits and challenges of densified liquid hydrogen/liquid oxygen, a transient thermodynamical model considering the heat ...
Fushou Xie, Qiang Sun
doaj   +1 more source

Materials for laser propulsion: "liquid" polymers [PDF]

open access: yesSPIE Proceedings, 2008
The application of energetic polymers has resulted in an increased thrust in micro laser plasma thrusters compared to standard polymers. In this study we tested a novel concept for micro laser plasma thrusters, i.e. the application of liquid polymeric fuels, by using polymer solutions of the energetic materials with different viscosity.
T. Lippert   +5 more
openaire   +1 more source

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

Home - About - Disclaimer - Privacy