Results 71 to 80 of about 23,235 (246)

A study of high frequency nonlinear combustion instability in baffled annular liquid propellant rocket motors. Volume 2 - A user manual for computer programs TRDL and TRDPLT Final report, 25 Aug. 1969 - 25 Sep. 1970 [PDF]

open access: yes
User manual for computer programs to determine high frequency instability in baffled annular liquid propellant rocket engines - Vol.
Burstein, S. Z., Schechter, H. S.
core   +1 more source

How Do SMEs Respond to Deglobalization? Insights from Italian SMEs in the Interwar Period (1936–1943)

open access: yesJournal of Management Studies, EarlyView.
Abstract This study investigates how small and medium‐sized enterprises (SMEs) respond to deglobalization and economic nationalism, using historical evidence from fascist Italy, a period of autarky and restricted international trade. While prior research has focused primarily on larger firms, especially multinational enterprises (MNEs), the strategic ...
Valeria Giacomin, Francesco Romagnoli
wiley   +1 more source

LOX/Hydrogen Coaxial Injector Atomization Test Program [PDF]

open access: yes
Quantitative information about the atomization of injector sprays is needed to improve the accuracy of computational models that predict the performance and stability margin of liquid propellant rocket engines.
Zaller, M.
core   +1 more source

Anti‐Astrotropik — Outer Space, Technology and Resistance in the Tropics

open access: yesSingapore Journal of Tropical Geography, EarlyView.
This paper traces an intellectual and geographical arc of thinking about outer space in the tropics, connecting Peter Redfield's Space in the Tropics: From Convicts to Rockets in French Guiana (2000), Sean T. Mitchell's Constellations of Inequality: Space, Race, and Utopia in Brazil (2017) and Asif Siddiqi's Cosmic Fragments: Dislocation and Discontent
Rob Krawczyk
wiley   +1 more source

Experimental Characterization and CFD Validation of Liquid–Liquid Pintle Injector Spray Patterns Using Water as Simulant

open access: yesAerospace
Pintle injectors offer variable thrust capability and combustion stability advantages for liquid rocket engines. This study presents experimental and numerical investigation of spray characteristics for a liquid–liquid pintle injector using water as ...
Islambek Jamakeyev   +7 more
doaj   +1 more source

Liquid-hydrogen rocket engine development at Aerojet, 1944 - 1950 [PDF]

open access: yes
This program demonstrated the feasibility of virtually all the components in present-day, high-energy, liquid-rocket engines. Transpiration and film-cooled thrust chambers were successfully operated.
Coplen, H. L.   +3 more
core   +1 more source

The problem of combustion instability in liquid rocket engines

open access: yesChallenges 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   +2 more
doaj  

Launch vehicle performance using metallized propellants [PDF]

open access: yes
Metallized propellant propulsion systems are considered as replacements for the solid rocket boosters and liquid sustainer stages on the current launch vehicles: both the Space Transportation System (STS) and the Titan 4.
Palaszewski, Bryan A., Powell, Richard
core   +1 more source

Computer simulation of high-frequency combustion instability and its supression [PDF]

open access: yes, 1968
Program for simulation of gas motion illustrates the effects of some of the variables on the combustion chambers of liquid propellant rocket engines.
Bucher, R. E.
core   +2 more sources

A feasibility study on using inkjet technology, micropumps, and MEMs as fuel injectors for bipropellant rocket engines

open access: yes, 2008
Control over drop size distributions, injection rates, and geometrical distribution of fuel and oxidizer sprays in bi-propellant rocket engines has the potential to produce more efficient, more stable, less polluting rocket engines.
Bramanti, Cristina   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy