Results 131 to 140 of about 31,818 (301)

The problem of combustion instability in liquid rocket engines

Challenges 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, Volodymyr Lipovskyi, Roman Pustovyi   +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

Вестник 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, I. A. Zubrilin, A. A. Yurtaev, М. A. Benedyuk, Yu. V. Komisar   +4 more
doaj   +1 more source

Liquid Rocket Engine Testing Overview [PDF]

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

Refractory thrust chambers for spacecraft engines Final report [PDF]

Structural reliability tests on pyrolytic graphite and pyrolytic graphite alloys for use in liquid propellant rocket engine thrust chambers and ...
Campbell, J. G., Coulbert, C. D.
core   +1 more source

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

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

Electromagnetic Valves Developed by Yuzhnoye SDO Liquid Rocket Engines Design Office [PDF]

, 2018
V. I. Konokh, В.С. Бойко, A. B. Troyak, A. V. Ivashura   +3 more
openalex   +1 more source

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

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]

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]

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]

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