Results 181 to 190 of about 20,787 (234)
Some of the next articles are maybe not open access.

Problems of multiple use of liquid rocket propulsion systems

Informacionno-technologicheskij vestnik, 2021
Сформулированы недостатки двигательных установок жидкостных ракет однократного применения для транспортировки на околоземные орбиты и возвращения на Землю необходимых грузов. В результате анализа ряда публикаций в научно-технической литературе установлены проблемы создания и многократного применения жидкостных ракетных двигателей и научно-технические ...
openaire   +1 more source

Unsupervised Anomaly Detection for Liquid-Fueled Rocket Propulsion Health Monitoring

AIAA Infotech@Aerospace 2007 Conference and Exhibit, 2007
This article describes the results of applying four unsupervised anomaly detection algorithms to data from two rocket propulsion testbeds.The first testbed uses historical data from the Space Shuttle Main Engine. The second testbed uses data from an experimental rocket engine test stand located at NASA Stennis Space Center.
Mark Schwabacher   +2 more
openaire   +1 more source

Acoustics associated with liquid rocket propulsion testing

The Journal of the Acoustical Society of America, 2014
Ground testing of liquid rocket engines is a necessary step towards building reliable launch vehicles. NASA Stennis Space Center has a long history of performing both developmental and certification testing of liquid propulsion systems. During these test programs, the propulsion test article, test stand infrastructure and the surrounding community can ...
openaire   +1 more source

A Subscale Facility for Liquid Rocket Propulsion Diagnostics at Stennis Space Center

SAE Technical Paper Series, 1991
<div class="htmlview paragraph">The Diagnostics Tested Facility (DTF) at NASA's John C. Stennis Space Center (SSC) in Mississippi was designed to provide a testbed for development of rocket engine exhaust plume diagnostics instrumentation. A 1200-lb thrust liquid oxygen (LOX)/gaseous hydrogen (GH<sub>2</sub>) thruster is used as the ...
N. RAINES, F. BIRCHER, D. CHENEVERT
openaire   +1 more source

TEKAN 2010 - Thrust Chamber Technologies for Liquid Rocket Propulsion

42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference &amp; Exhibit, 2006
Abstract Facing the worldwide competition in the space transportation market, Europe today concentrates its efforts on cost reduction for future production batches of its Ariane launcher family safeguarding its leading position as commercial space access provider. In addition to this, alternative launcher scenarios are evaluated in line with associated
Gerald Hagemann   +6 more
openaire   +1 more source

Research of Pipeline Fault Diagnosis for Liquid Rocket Propulsion System

Applied Mechanics and Materials, 2012
The applications of healthy monitoring and fault diagnosis's system can enhance the reliability and safety of the whole vehicle, which has significance to detect and isolate fault as early as possible and that tragedy can be avoided. In this paper, pipeline fault simulation analysis and fault diagnosis for LRE is studied as direct-inverse problem ...
Yan Jun Li   +3 more
openaire   +1 more source

Analysis on Stability of POGO and Parameters of Propulsion System in Liquid Rocket

Applied Mechanics and Materials, 2014
To explore effective methods of avoiding POGO instability, this paper starts with a thorough study on influence of parameters on natural frequency of propulsion system in liquid rocket. By adopting the method of critical damping ratio, stability of coupled structure-propulsion system is analyzed.
Hou Wang Li, Cong Wang, Xiao Shi Zhang
openaire   +1 more source

Reliability of Liquid Rocket Propulsion Systems

Journal of Applied Reliability, 2022
Sungjun Park, Kaeun Kim, KyungmeeO. Kim
openaire   +1 more source

Unsupervised Anomaly Detection and Diagnosis for Liquid Rocket Engine Propulsion

2007 IEEE Aerospace Conference, 2007
The results of a comprehensive array of unsupervised anomaly detection algorithms applied to Space Shuttle main engine (SSME) data are presented. Most of the algorithms are based upon variants of the well-known unconditional Gaussian mixture model (GMM).
openaire   +1 more source

Propulsive performance of a liquid kerosene/oxygen pulse detonation rocket engine

Experimental Thermal and Fluid Science, 2011
Thrust and specific impulse are two critical parameters to estimate the performance of rocket engine. Utilizing liquid kerosene as the fuel, oxygen as oxidizer and nitrogen as purge gas, a series of multi-cycle detonation experiments were conducted to systemically investigate the relationships among the operating frequency, fill fraction and ...
Jian-ling Li   +4 more
openaire   +1 more source

Home - About - Disclaimer - Privacy