Results 31 to 40 of about 38,437 (282)

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

open access: yesApplied 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   +4 more
doaj   +1 more source

Development of 200 N-class throttleable hybrid rocket motor for lunar module application

open access: yesFirePhysChem, 2021
In this study, ground tests of a lab-scale hybrid rocket motor were conducted to verify the feasibility of the hybrid propulsion system for lunar lander application.
Donghee Lee, Seongjoo Han, Heejang Moon
doaj  

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

A Review of Recent Developments in Hybrid Rocket Propulsion and Its Applications

open access: yesAerospace
This paper extensively reviews hybrid rocket propulsion-related activities from combustion engine designs to launch tests. Starting with a brief review of rocket propulsion development history, a comparison among the three bi-propellant rocket propulsion
Shih-Sin Wei   +4 more
doaj   +1 more source

Verification of Model of Calculation of Intra-Chamber Parameters In Hybrid Solid-Propellant Rocket Engines

open access: yesMATEC Web of Conferences, 2016
On the basis of obtained analytical estimate of characteristics of hybrid solid-propellant rocket engine verification of earlier developed physical and mathematical model of processes in a hybrid solid-propellant rocket engine for quasi-steady-state flow
Zhukov Ilya S.   +3 more
doaj   +1 more source

Diversity of design knowledge for launch vehicle in view of fuels on hybrid rocket engine

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2014
A single-stage launch vehicle with hybrid rocket engine, which uses solid fuel and liquid oxidizer, has been studied and developed as a next-generation rocket for scientific observation due to the advantages as low cost, safety, re-ignition, and reduced ...
Kazuhisa CHIBA   +4 more
doaj   +1 more source

Structural and Chemical Studies of the Nanoscale Modifications Induced by Swift Heavy Ion Irradiation in SrTiO3 at Grazing Incidence

open access: yesAdvanced Functional Materials, EarlyView.
The nanoscale structural and chemical transformations in SrTiO3 under Swift‐Heavy‐Ion irradiation at grazing incidence are investigated, emphasizing the formation of well‐ordered nanohillocks at the surface of the material, demonstrating significant material decomposition in the created hillocks with: a phase separation of SrO and TiOx, a reduction in ...
Mohammad S. Jamal   +12 more
wiley   +1 more source

HYBRID PROPELLANT ROCKET MOTOR [PDF]

open access: yesInternational Conference on Aerospace Sciences and Aviation Technology, 1999
The paper deals with hybrid propellant rocket motor as a propulsion unit of prospective rocket weapon systems, as well as a drive unit of some cosmic rocket carriers. There are introduced possible constructional schemes of hybrid propellant rocket motor and is mentioned further on the particular general internal ballistic solution of the solid part of ...
openaire   +1 more source

From Waste to Wealth: A Review of Eutectic Molten Salt Method for Direct Regeneration of Spent Lithium‐Ion Battery

open access: yesAdvanced Science, EarlyView.
The main process of the eutectic molten salt method and the direct regeneration of Spent lithium (Li)‐ion batteries by the eutectic molten salt method have brought structural, performance, environmental, and economic benefits. Abstract The rapid growth of electric vehicles (EVs) has significantly increased the demand for lithium (Li)‐ion batteries ...
Junyi Wang   +3 more
wiley   +1 more source

Development of CAMUI hybrid rocket to create a market for small rocket experiments [PDF]

open access: yesActa Astronautica, 2006
Abstract By introducing various innovative ideas, the difficult-to-develop small hybrid-type rocket is successfully developed. The main purpose is to drastically reduce the cost of rocket experiments and thus, attract potential users such as metrological and microgravity researchers.
Nagata, Harunori   +6 more
openaire   +3 more sources

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