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The transition structures of wedge-induced oblique detonation waves (ODWs) in high-enthalpy supersonic combustible mixtures are studied with two-dimensional reactive Euler simulations based on the open-source program AMROC (Adaptive Mesh Refinement in Object-oriented C++). The formation mechanisms of different transition patterns are investigated through theoretical analysis and numerical simulations...
This paper is mainly concerned with the issues of two kinds of synchronization for a class of hyperchaotic systems, i.e., complete synchronization, and coexistence of synchronization and anti-synchronization. Two adaptive control laws with suitable state feedbacks are designed to realize the complete synchronization, and coexistence of synchronization and anti-synchronization for such hyperchaotic...
A planar plasmonic sensor based on textured metallic disk is demonstrated, where a simple and integrated method is used to excite the spoof localized surface plasmons (LSPs). Multipolar plasmonic resonant modes can be easily observed on the textured metallic disk. The multipolar resonant modes of the textured metallic disk are calculated by eigenmode solver of CST microwave studio. The resonant frequencies...
Unmanned Surface Vehicles (USV) with a high sailing speed, are capable of Intelligence Surveillance & Reconnaissance (ISR), arm protection, mines sweeping, anti-submarine, precision strikes and other functions, widely display the great value of military application. The excellent navigation performance of the usv directly relates to the vitality and battle effectiveness. In the paper, In virtue...
This paper proposes several locally and globally adaptive synchronization criterions for uncertain complex dynamical networks. Especially, our hypotheses and designed adaptive controllers for network synchronization are rather simple in form. Furthermore, numerical simulations are used to illustrate the effectiveness of our synchronization criterions
Combustion instability of O2/kerosene, O2/kerosene/hydrogen, and O2/kerosene/hydrogen spray flame is numerically studied. The numerical results of combustion self-oscillation are consistent with the historical experiments. Hydrogen is helpful to stabilizing oxygen/hydrocarbon combustion. High gas injecting velocity of the coaxial injector would increase the combustion stability. Contrary to the former...
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