85 Result(s)
within
Engineering
Vibration, Dynamical Systems, Control
**g Si
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Article
Response of hydraulic pipes to combined excitation in thermal environment
Generally, the hydraulic pipe of a warplane experiences the pulsating flow generated by the plunger pump and the strong excitation generated by the jet engine. Furthermore, the pipe is situated in a high-tempe...
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Article
Prediction and analysis of paroxysmal impulse vibration in aero-engine inter-shaft bearings induced by localized faults in the outer ring
Inter-shaft bearings, critical components within aero-engine dual-rotor systems, are susceptible to localized faults due to their unique installation locations. This research delves into a distinctive dynamic ...
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Article
Failure analysis and maintenance of hydrogen refueling stations
An analysis of various system configurations of hydrogen refueling stations and the types of failures that can occur in these stations is presented herein. Although the major components (compressor, storage ta...
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Article
Construction method and circuit design of a high-dimensional conservative chaotic system with binary linear combinations
The conservative chaotic system without attractor can not be reconstructed by the attractor reconstruction, which has certain advantages in the field of computer network security compared to dissipative system...
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Article
Riemann–Hilbert approaches of an M-coupled nonlinear Schrödinger system with variable coefficients and the associated nonlocal equation
We focus on the M-coupled nonlinear Schrödinger system with variable coefficients, describing simultaneous pulse propagation of the M-field components in an inhomogeneous optical fiber. The Riemann–Hilbert proble...
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Article
Computer vision-based displacement measurement using spatio-temporal context and optical flow considering illumination variation
The variation of illumination may decrease the accuracy of structural displacement measurement based on computer vision. To address this issue, an improved measurement method is proposed. In this method, a com...
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Article
Pool boiling inversion and secondary boiling effect on CNTs-Cu nanoparticles-coated porous surfaces
In this study, pool boiling experiments were conducted using carbon nanotubes (CNTs)-Cu nanoparticle-coated porous surfaces. Applying a layer of CNTs-Cu nanoparticles on boiling surfaces resulted in the format...
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Viscoelastic finite element analysis of roll transfer process with rate-dependent adhesion behavior and multi-element cohesive interaction
In this study, we introduced a multi-element cohesive interaction (MECI) approach for viscoelastic finite element analysis (FEA) to simulate roll transfer processes that involve the rate-dependent adhesion of ...
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Article
Data-driven vector degenerate and nondegenerate solitons of coupled nonlocal nonlinear Schrödinger equation via improved PINN algorithm
In recent years, the Physics-Informed Neural Networks have demonstrated significant potential in solving nonlinear evolution equations, and exhibited high stability and applicability. However, it does not full...
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Article
Dynamics of a Multi-pulse Excited Rotating Beam System
The periodic motion characteristic is crucial for the firing accuracy of the machine gun system. In this study, a demonstrated machine gun system is simplified as a rotating beam system to study its periodic m...
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Article
Monitoring and identification of wire breaks in prestressed concrete cylinder pipe based on distributed fiber optic acoustic sensing
Prestressed concrete cylinder pipes (PCCPs) have become increasingly competitive in pipeline transportation due to several advantages such as high pressure-bearing capacity and good durability. Unfortunately, ...
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Article
Open AccessAn accurate and unified study on non-symmetric tensile and compressive responses of elastoplastic bars and beams until failure
A new and unified approach is proposed toward accurately analyzing overall elastoplastic responses of axially loaded bars and finite bending beams until failure. Results are presented for various constituent m...
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Article
Settlement prediction of existing metro induced by new metro construction with machine learning based on SHM data: a comparative study
When the new metro line crosses the existing metro line, its construction stage will have an adverse impact on the existing metro line, that is, settlement. In order to ensure the safety of metro line operatio...
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Article
Recoil reduction design of gas-controlled side-jet gun based on bifurcated two-phase flow model
The high recoil force of a high-power gun produces a strong impact on the carrier, which severely limits the application of the high-power gun mounted on vehicles. A gas-controlled side-jet gun was designed to...
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Article
Numerical study on the leakage characteristics of a stepped labyrinth seal with mixed honeycomb cell diameters
As the performance improvement of gas turbines becomes marginal, it is required to develop a seal geometry that can reduce unwanted leakage more effectively than conventional seals. Accordingly, in this paper,...
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Investigation of open-type 1 kW-scale thermochemical heat storage system with zeolite 13X for power-to-heat applications
This study investigated thermochemical heat storage with zeolite 13X to provide an insight into the design and operation of a heat storage system for power-to-heat (P2H) applications. The heat storage system c...
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Article
Forced resonance orbit analysis of binary asteroid system with consideration of solar radiation pressure
The solar radiation pressure is one of the major perturbations to orbits in the study of binary asteroid system, since asteroids have relatively weak gravity fields. In this paper, based on the idea of treatin...
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Article
Thermal effect of high-velocity particle im**ements on coating quality in cold gas dynamic spray operations
This investigation is aimed to evaluate thermal effects of the high-velocity particle im**ement on the coating quality in CGDS (cold gas dynamic spray). To achieve this, the authors used an explicit time int...
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Article
Hierarchical diversity entropy for the early fault diagnosis of rolling bearing
Intelligent fault diagnosis provides great convenience for the prognostic and health management of the rotating machinery. Recently, the multiscale diversity entropy has been proven to be a promising feature e...
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Piezoelectric-based damage-depth monitoring method for underwater energy-relief blasting technique
Owing to the complex geological conditions and strict excavation sha** and damage control requirements in some underwater engineering applications, the development of a suitable blasting excavation technique...
