Results 111 to 120 of about 29,759 (245)

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  

Simulation of the processes of spraying and combustion of kerosene and liquid oxygen in the chamber of a liquid-propellant rocket engine

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The paper presents the results of simulation of spray and combustion processes in the liquid-propellant rocket engine chamber using the z77 reduced kinetic mechanism of chemical reactions and a hybrid method for determining spray parameters of a swirl ...
M. N. Senchev   +4 more
doaj   +1 more source

Photographic Study of Liquid-Oxygen Boiling and Gas Injection in the Injector of a Chugging Rocket Engine [PDF]

open access: yes
High-speed motion pictures were taken of conditions in the injector liquid-oxygen cavity of an RL-10 rocket engine during throttled engine operation.
Bloomer, Harry E.   +2 more
core   +1 more source

Liquid Rocket Engine Testing Overview [PDF]

open access: yes
Contents include the following: Objectives and motivation for testing. Technology, Research and Development Test and Evaluation (RDT&E), evolutionary. Representative Liquid Rocket Engine (LRE) test compaigns.
Rahman, Shamim
core   +1 more source

Review of Combustion Stability Characteristics of Swirl Coaxial Element Injectors [PDF]

open access: yes
Liquid propellant rocket engine injectors using coaxial elements where the center liquid is swirled have become more common in the United States over the past several decades, although primarily for technology or advanced development programs. Currently,
Casiano, M. J., Hulka, J. R.
core   +1 more source

Evaluation of Proposed Rocket Engines for Earth-to-Orbit Vehicles [PDF]

open access: yes
The objective is to evaluate recently analyzed rocket engines for advanced Earth-to-orbit vehicles. The engines evaluated are full-flow staged combustion engines and split expander engines, both at mixture ratios at 6 and above with oxygen and hydrogen ...
Kramer, Richard D., Martin, James A.
core   +1 more source

Liquid Rocket Engine Turbopump Rotating-shaft Seals [PDF]

open access: yes
A monograph is organized and presents, for effective use in design, the significant experience and knowledge accumulated in development and operational programs to date.
Burcham, R. E., Keller, R. B., Jr.
core   +1 more source

Advanced oxygen-hydrocarbon rocket engine study [PDF]

open access: yes
Preliminary identification and evaluation of promising liquid oxygen/ hydrocarbon (LO2/HC) rocket engine cycles is reported. A consistent and reliable data base for vehicle optimization and design studies, to demonstrate the significance of propulsion ...
Obrien, C. J.
core   +1 more source

Cryostatless high temperature supercurrent bearings for rocket engine turbopumps [PDF]

open access: yes
The rocket engine systems examined include SSME, ALS, and CTV systems. The liquid hydrogen turbopumps in the SSME and ALS vehicle systems are identified as potentially attractive candidates for development of Supercurrent Bearings since the temperatures ...
Dill, James F., Rao, Dantam K.
core   +1 more source

Large liquid rocket engine transient performance simulation system [PDF]

open access: yes
Phase 1 of the Rocket Engine Transient Simulation (ROCETS) program consists of seven technical tasks: architecture; system requirements; component and submodel requirements; submodel implementation; component implementation; submodel testing and ...
Mason, J. R., Southwick, R. D.
core   +4 more sources

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