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Impacts of Multi-Swirl Interaction Pattern on Self-Excited Instability Combustion Characteristics: 《Journal of Thermal Science》2025年第2期672-688,共17页JIN Ming LIU Zhannan LU Yudi GE Bing ZANG Shusheng; the National Science and Technology Major Project(HT-J2019-II-0018-0039)of China for financial support。; Experimental and numerical investigations have been carried out on the effects of multi-swirl interaction patterns on self-excited unstable combustion characteristics based on a five-nozzle can combustor.The multi-swi...; 关键词：multi-nozzle burner swirl interaction thermo-acoustic instability flame structure fuel-staging

Attenuation of Richtmyer-Meshkov instability growth of fluid layer via double shock: 《Science China(Physics,Mechanics & Astronomy)》2025年第4期144-151,共8页Chenren Chen Jiaxuan Li He Wang Zhigang Zhai Xisheng Luo; supported by the National Natural Science Foundation of China(Grant Nos.12372281,12102425,12388101,and 123B2034);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB0620201);the Youth Innovation Promotion Association CAS。; Suppression of the hydrodynamic instabilities involved in the inertial confinement fusion has attracted much attention but remains a challenge.In this work,we report the first theoretical analysis and experimental val...; 关键词：shock waves Richtmyer-Meshkv instability fluid layer

A low Mach number asymptotic analysis of dissipation-reducing methods for curing shock instability: 《Applied Mathematics and Mechanics(English Edition)》2025年第4期723-744,共22页Hongping GUO Xun WANG Zhijun SHEN; Project supported by the National Natural Science Foundation of China(Nos.12471367 and12361076);the Research Program of Science and Technology at Universities of Inner Mongolia Autonomous Region(Nos.NJZY19186,NJZY22036,and NJZY23003)。; We are intrigued by the issues of shock instability,with a particular emphasis on numerical schemes that address the carbuncle phenomenon by reducing dissipation rather than increasing it.For a specific class of plana...; 关键词：Riemann solver numerical shock instability low Mach number HLLC

Numerical study of terahertz radiation from N-polar AlGaN/GaN HEMT under asymmetric boundaries: 《Frontiers of Optoelectronics》2025年第1期63-73,共11页Runxian Xing Hongyang Guo Bohan Guo Guohao Yu Ping Zhang Jia'an Zhou An Yang Yu Li Chunfeng Hao Huixin Yue Zhongming Zeng Xinping Zhang Baoshun Zhang; In this paper, we have studied the electrical excitation of plasma-wave in N-polar AlGaN/GaN high electron mobility transistors (HEMT) under asymmetric boundaries leads to terahertz emission. Numerical calculations ar...; 关键词：N-polar GaN HEMT Terahertz emission Dyakonov-Shur instability

Effect of Surface Tension on the Dynamics of an Oscillating Interface in a Vertical Slotted Channel: 《Fluid Dynamics & Materials Processing》2025年第3期493-508,共16页Veronika Dyakova OlgaVlasova Victor Kozlov; supported by the Ministry of Education of the Russian Federation(Project No.1023032300071-6-2.3.1).; An experimental investigation of the dynamics of the interface between two low-viscosity fluids with high density contrast oscillating in a fixed vertical slotted channel has been conducted.It has been found that as t...; 关键词：INTERFACE immiscible fluids OSCILLATIONS INSTABILITY Faraday waves parametric oscillations

Experimental investigation of instability inception on a transonic compressor under various inlet guide vanes: 《Chinese Journal of Aeronautics》2025年第3期18-29,共12页Tianyu PAN Jingsai ZHOU Wenqian WU Zhaoqi YAN Qiushi LI; support of the National Natural Science Foundation of China(No.52322603);the Science Center for Gas Turbine Project of China(Nos.P2022-B-II-004-001 and P2023-B-II-001-001);the Fundamental Research Funds for the Central Universities,China and the Beijing Nova Program of China(Nos.20220484074 and 20230484479).; The utilization of Inlet Guide Vane (IGV) plays a key factor in affecting the instability evolution. Existing literature mainly focuses on the effect of IGV on instability inception that occurs in the rotor region. Ho...; 关键词：Transonic comnpressor Inlet guide vane Instability inception Partial suge SPIKE Hub instability

Partial rotating instability in a boundary layer ingesting fan: 《Chinese Journal of Aeronautics》2025年第3期43-64,共22页Hefang DENG Songan ZHANG Kailong XIA Xiaoqing QIANG Mingmin ZHU Jinfang TENG; supports of the National Natural Science Foundation of China(Nos.52076129,92360308,52376027);the Shanghai Municipal Education Commission of China(No.2023-02-4);the Fundamental Research Funds for the Central Universities of China;the United Innovation Center(UIC)of Aerothermal Technologies for Turbomachinery of China.; Rotating Instability (RI) is a typical unsteady flow phenomenon in compressors and may cause severe aerodynamic noise and even potential nonsynchronous vibration. Most studies of RI are based on the uniform inflow, ig...; 关键词：Rotating instability Boundary layer ingesting fan Tip leakage fAow Shear layer instability Full-annulus unsteady simnulation

New results on finite-time stability and instability theorems for stochastic nonlinear time-varying systems: 《Science China(Information Sciences)》2025年第2期182-195,共14页Weihai ZHANG Liqiang YAO; supported by National Natural Science Foundation of China(Grant No.62373229);Shandong Provincial Natural Science Foundation of China(Grant No.ZR2020MA033);Research Fund for the Taishan Scholar Project of Shandong Province of China。; This paper studies finite-time stability and instability theorems in the probability sense for stochastic nonlinear timevarying systems.Firstly,a new sufficient condition is proposed to guarantee that the considered s...; 关键词：stochastic nonlinear systems finite-time stability finite-time instability uniformly asymptotically stable function

A transient stability assessment method for power systems incorporating residual networks and BiGRU-attention: 《Global Energy Interconnection》2025年第1期143-159,共17页Shan Cheng Qiping Xu Haidong Wang Zihao Yu Rui Wang Tao Ran; financially supported by State Key Laboratory of HVDC No.SKLHVDC-2023-KF-03.; The traditional transient stability assessment(TSA)model for power systems has three disadvantages:capturing critical information during faults is difficult,aperiodic and oscillatory unstable conditions are not distin...; 关键词：Transient stability assessment Aperiodic instability Oscillatory instability ResGRU SGDR

Predictions of H-mode access and edge pedestal instability in the EHL-2 spherical torus: 《Plasma Science and Technology》2025年第2期54-63,共10页Yumin WANG Kai LI Zhuo HUANG Yiliang LIU Shuyu DAI Jie ZHANG Yanqing HUANG Xiang GU Yihang ZHAO Shuai XU Erhui WANG Dong GUO Yuejiang SHI Huasheng XIE Yunfeng LIANG Minsheng LIU the EHL-2 Team; the auspices of National Natural Science Foundations of China(Nos.12075284 and 12205157);supported by the High-End Talents Program of Hebei Province,Innovative Approaches towards Development of Carbon-Free Clean Fusion Energy(No.2021HBQZYCSB006).; The EHL-2 spherical torus is designed to demonstrate proton-boron(p-11B)fusion within a compact spherical tokamak.Its planned heating system includes a negative ion-based neutral beam injection(N-NBI),two positive ion...; 关键词：H-MODE spherical torus(ST) EHL-2 PEDESTAL resonant magnetic perturbations

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