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Spanwise phase transition between pure modes A and B in a circular cylinder’s wake. Part II: spatiotemporal evolution of vorticity
期刊论文
OAI收割
Fluid Dynamics Research, 2023, 卷号: 55, 期号: 5
作者:
Lin,L M
;
Lin LM(林黎明)
  |  
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2023/11/28
spanwise phase transition
wake
circular cylinder
mode A
mode B
Phase transition between pure modes A and B in a circular cylinder's wake. Part I: analysis of fluid forces
期刊论文
OAI收割
FLUID DYNAMICS RESEARCH, 2023, 卷号: 55, 期号: 3, 页码: 35502
作者:
Lin LM(林黎明)
  |  
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2023/07/17
phase transition
wake
circular cylinder
mode A
mode B
Dynamic mode decomposition and reconstruction of the transient propeller wake under a light loading condition
期刊论文
OAI收割
OCEAN ENGINEERING, 2023, 卷号: 269, 页码: 19
作者:
Zhi, Yuchang
;
Qiu RD(丘润荻)
;
Huang RF(黄仁芳)
;
Wang YW(王一伟)
  |  
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2023/03/15
E779A propeller
Propeller wake
Dynamic mode decomposition
Reconstruction
LES
Initially generated pure mode A in the three-dimensional wake transition of a circular cylinder
期刊论文
OAI收割
FLUID DYNAMICS RESEARCH, 2022, 卷号: 54, 期号: 3, 页码: 29
作者:
Lin, L. M.
  |  
收藏
  |  
浏览/下载:39/0
  |  
提交时间:2022/08/02
wake transition
circular cylinder
vorticity
mode A
Transport analysis of NBI heating H-mode experiment on HL-2 A with integrated modeling
期刊论文
OAI收割
ACTA PHYSICA SINICA, 2022, 卷号: 71
作者:
Yi-Ming, Luo
;
Zhan-Hui, Wang
;
Jia-Le, Chen
;
Xue-Ke, Wu
;
Cai-Long, Fu
  |  
收藏
  |  
浏览/下载:38/0
  |  
提交时间:2022/12/23
magnetic confinement fusion
HL-2A
High-beta
H mode
Simulation Study on Scaler Mode in LHAASO-KM2A
会议论文
OAI收割
Virtual, Berlin, Germany, 2021-07-12
作者:
Huang, Zhicheng
;
Huang, Daihui
;
Zhou, Xunxiu
;
Zhao, Jing
;
He, Huihai
  |  
收藏
  |  
浏览/下载:45/0
  |  
提交时间:2023/01/16
Scaler mode
Shower mode
LHAASO
KM2A
Monte Carlo simulations
Cosmic rays
An Overview of Finite/Fixed-Time Control and Its Application in Engineering Systems
期刊论文
OAI收割
IEEE/CAA Journal of Automatica Sinica, 2022, 卷号: 9, 期号: 12, 页码: 2106-2120
作者:
Yang Liu
;
Hongyi Li
;
Zongyu Zuo
;
Xiaodi Li
;
Renquan Lu
  |  
收藏
  |  
浏览/下载:43/0
  |  
提交时间:2022/12/02
Adding a power integrator
finite/fixed-time control and application
homogeneous theory
sliding mode control
Constraining the X-Ray-Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154 with Palomar Gattini-IR
期刊论文
OAI收割
The Astrophysical Journal, 2020, 卷号: 901, 页码: L7
作者:
HXMT
  |  
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2022/02/08
Radio transient sources
Magnetars
Soft gamma-ray repeaters
2008
992
1471
Astrophysics - High Energy Astrophysical Phenomena
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The Galactic magnetar SGR 1935+2154 has been reported to produce the first example of a bright millisecond-duration radio burst (FRB 200428) similar to the cosmological population of fast radio bursts (FRBs). The detection of a coincident bright X-ray burst represents the first observed multiwavelength counterpart of an FRB. However, the search for similar emission at optical wavelengths has been hampered by the high inferred extinction on the line of sight. Here, we present results from the first search for second-timescale emission from the source at near-infrared (NIR) wavelengths using the Palomar Gattini-IR observing system in the J band, enabled by a novel detector readout mode that allows short exposure times of ?0.84 s with 99.9% observing efficiency. With a total observing time of ?12 hr (?47,728 images) during its 2020 outburst, we place median 3Ҡlimits on the second-timescale NIR fluence of ?18 Jy ms (13.1 AB mag). The corresponding extinction-corrected limit is ?125 Jy ms for an estimated extinction of A
J
= 2.0 mag. Our observations were sensitive enough to easily detect an NIR counterpart of FRB 200428 if the NIR emission falls on the same power law as observed across its radio to X-ray spectrum. We report nondetection limits from epochs of four simultaneous X-ray bursts detected by the Insight-HXMT and NuSTAR telescopes during our observations. These limits provide the most stringent constraints to date on fluence of flares at 10
14
Hz, and constrain the fluence ratio of the NIR emission to coincident X-ray bursts to R
NIR
? 0.025 (fluence index ?0.35).
DNS in evolution of vorticity and sign relationship in wake transition of a circular cylinder: (pure) mode A
期刊论文
OAI收割
ACTA MECHANICA SINICA, 2019, 卷号: 35, 期号: 6, 页码: 1131-1149
作者:
Lin LM(林黎明)
;
Tan ZR
  |  
收藏
  |  
浏览/下载:62/0
  |  
提交时间:2019/12/17
Wake transition
Circular cylinder
Vorticity
Mode A
Sign law