Multistability and Complex Routes of Supersonic Inlet Start/Unstart

Multistability and Complex Routes of Supersonic Inlet Start/Unstart
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超音速入口启动/停止的多稳定性和复杂路径

DOI:
10.2514/1.b34235
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发表时间:
2011-11
影响因子:
1.9
通讯作者:
Daren Yu
Daren Yu
中科院分区:
工程技术3区
文献类型:
--
作者:
Tao Cui;Zhong Lv;Daren Yu

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分析了与多种入口流型之间的相互作用相关联的回路耦合滞后表明多种流型转换的强烈路线依赖性。由于初始状态的记忆效应和多解区域的存在,使得系统动力学行为的复杂性,包括回路耦合滞后和复杂路径。因此,分岔系统的控制不仅取决于输入的瞬时值,而且取决于其运行的历史,深入理解进气道启动/不启动的多稳定性和复杂路径,对于思考分岔机理、设计控制路径和主动控制进气道启动/不启动的分岔行为具有指导意义。
analyzed. The loops-coupled hysteresis, associated with the interaction among the multiple inlet flow patterns, indicates strong route dependence of multiple flow pattern transitions. The complexity of dynamics behaviors involving loops-coupled hysteresis and complex routes originates from the memory effect of initial states and the existence of multisolution domain. The control of bifurcation system thus depends not only on the instantaneous valueoftheinputbutalsoonthehistoryofitsoperation.Abetterunderstandingofmultistabilityandcomplexroutes of inlet start/unstart may be useful as a guide in thinking about the bifurcation mechanism, designing the control routes, and actively controlling the bifurcation behaviors of inlet start/unstart.
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