Results 231 to 240 of about 67,829 (315)

Abrasive Waterjet Machining. [PDF]

Materials (Basel)
Hashish M.
europepmc   +1 more source

Enhanced gas and plasticizer barrier HTPB composite liner implanted with parallel orientation Fe₃O₄/RGO nanosheets by an ultrasound/magnet-coassisted method. [PDF]

Ultrason Sonochem
Lu Z, Zhou Q, Zhang Y, Atya A, Zhang T, Zhang G, Zhang Y, Liu G, Jiang W, Hu Y.   +9 more
europepmc   +1 more source

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Large eddy simulation of combustion instability in a subcritical hydrogen peroxide/kerosene liquid rocket engine: Intermittency route to period-2 thermoacoustic instability

The Physics of Fluids, 2023
This paper presents the first numerical evidence of an intermittency route to period-2 thermoacoustic instability in a subcritical single-element liquid rocket engine burning hydrogen peroxide/kerosene as we decrease the equivalence ratio (ϕ) from fuel ...

semanticscholar   +1 more source

Unsupervised Multimodal Anomaly Detection With Missing Sources for Liquid Rocket Engine

IEEE Transactions on Neural Networks and Learning Systems, 2022
To achieve reliable and automatic anomaly detection (AD) for large equipment such as liquid rocket engine (LRE), multisource data are commonly manipulated in deep learning pipelines.
Yong Feng, Zijun Liu, Jinglong Chen, Haixin Lv, Jun Wang, Xinwei Zhang   +5 more
semanticscholar   +1 more source

A Supervised Framework for Recognition of Liquid Rocket Engine Health State Under Steady-State Process Without Fault Samples

IEEE Transactions on Instrumentation and Measurement, 2021
Data-driven intelligent models have received more and more attention in liquid rocket engine (LRE) state recognition. However, due to practical limitations, the fault data are rare for model training, which results in poor testing results.
Haixin Lv, Jinglong Chen, Jun Wang, Junshe Yuan, Zijun Liu   +4 more
semanticscholar   +1 more source

Liquid Rocket Engine Concept for SMILE Launcher

21st AIAA International Space Planes and Hypersonics Technologies Conference, 2017
The development of the liquid propellant engine within the frame of the SMILE Project is described in the current paper. The analysis of a generic liquid propelled rocket launcher was performed and resulted in a description of the engines of each stage. The focus of this work is on the performance analysis of the first stage engine.
Müller, Ilja, Kuhn, Markus, Petkov, Ivaylo   +2 more
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Transverse Waves in Simulated Liquid Rocket Engines [PDF]

AIAA Journal, 2011
This work seeks to provide a closed-form analytical solution for the transverse vorticoacoustic wave in a circular cylinder with headwall injection. This particular configuration mimics the conditions leading to the onset of traveling radial and tangential waves in an idealized liquid rocket engine.
Joseph Majdalani, Charles T. Haddad
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Regenerative cooling for liquid rocket engines [PDF]

Journal of Thermal Science, 1995
Heat transfer in the thrust chamber is of great importance in the design of liquid propellant rocket engines. Regenerative cooling is an advanced method which can ensure not only the proper running but also higher performance of a rocket engine. The theoretical model is complicated, it relates to fluid dynamics, heat transfer, combustion, etc...
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Laser Ignition in Liquid Rocket Engines [PDF]

30th Joint Propulsion Conference and Exhibit, 1994
The objective of this study was to evaluate the feasibility of using laser ignition in liquid rocket engines. Three mechanisms of laser ignition were evaluated. One method, Laser Induced Spark (LIS) ignition, was tested and the results are presented. For the LIS ignition tests, a Nd:YAG laser, at a wavelength of 1064 nm and repetition rates up to 20 Hz,
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