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Modal Analysis of Axial Compressor Tip Rotating Instability under Varying Operating Conditions被引量：2: 《Journal of Thermal Science》2023年第4期1345-1356,共12页LI Tao WU Yadong TIAN Jie OUYANG Hua; This work was supported by Natural Science Foundation of Shanghai(Grant No.18ZR1418600);National Natural Science Foundation of China(Grant No.11202132).; The full annulus numerical research was performed on a low-speed compressor rotor to investigate the rotating instability in the tip region.The frequency spectra show the existence of rotating instability at narrow st...; 关键词：axial compressor rotating instability flow structure circumferential mode dynamic mode decomposition

Interaction between Neighboring Supercritical Water Molecules and Density Fluctuation by Molecular Dynamics Simulations被引量：1: 《Journal of Thermal Science》2022年第3期907-922,共16页WANG Yan XU Jinliang MA Xiaojing; supported by the National Natural Science Foundation of China(51821004)。; Supercritical water(scW)is important for various engineering applications.The structure and distribution of sc W is key to dominate the related processes and phenomena.Here,scW is investigated using molecular dynamics...; 关键词：supercritical water molecular dynamics DENSITY hydrogen bond translation and rotating motion

Effect of Blockage Ratio on Heat Transfer and Pressure Drop in Rotating Ribbed Channels at High Rotation Numbers: 《Journal of Thermal Science》2021年第3期902-913,共12页DENG Hongwu LI Hua TAO Zhi QIU Lu ZHU Jianqin; At high rotation numbers,the rotational effects on heat transfer and flow could be diverse among the channels with different blockage ratios.However,most studies are conducted under low rotation number(less than 0.25)...; 关键词：thermal performance rib blockage ratio high rotation number

Numerical Investigation on the Flow Mechanism of Multi-Peak Frequency Feature of Rotating Instability被引量：3: 《Journal of Thermal Science》2021年第2期668-681,共14页WANG Hao WU Yadong YUE Shaoyuan WANG Yan'gang; The authors would like to acknowledge the supports of National Natural Science Foundation of China(Grant No.51906205);National Science and Technology Major Project(2017-Ⅱ-0009-0023).; In this paper,the rotating instability(RI)in an axial compressor has been investigated numerically in order to examine the capability of URANS method to simulate its typical characteristics of RI broadband humps with ...; 关键词：axial compressor rotating instability multiple frequency peaks URANS tip leakage vortex

Experimental Investigation of the Secondary Flow in a Rotating Smooth Channel Subjected to Thermal Boundary Conditions被引量：1: 《Journal of Thermal Science》2020年第6期1463-1474,共12页LI Haiwang YOU Haoliang YOU Ruquan TAO Zhi; financially supported by the National Natural Science Foundation of China(No.51822602);the Fundamental Research Funds for the Central Universities(No.YWF-19-BJ-J-293)。; In the current study,thermal boundary conditions are considered in a rotating smooth channel with a square cross-section to investigate the secondary flow and compare it to that of the same channel without heating.The...; 关键词：flow dynamic rotating smooth channel secondary flow buoyancy force

Performance Analysis of Inter-Stage Leakage Flows at Rotating Conditions in an Axial Compressor被引量：3: 《Journal of Thermal Science》2020年第6期1558-1568,共11页KONG Xiaozhi LIU Yuxin LU Huawei TIAN Zhitao XIN Jianchi; supported by the Fundamental Research Funds for the Central Universities(No.3132020121,No.3132020192);Natural Science Foundation of Liaoning Province(No.2020-BS-069),which are gratefully acknowledged。; For the compressor with shrouded stator blades,the stator well is a rotor-stator space between the rotating drum and the stationary shroud.Due to the pressure difference,a reverse leakage flow would travel through the...; 关键词：shrouded stator blade inter-stage seal rotor-stator cavity leakage flow windage heating swirl ratio

Linear Stability Analysis of Thermocapillary Flow in Rotating Shallow PoolsHeated from Inner Wall被引量：1: 《Journal of Thermal Science》2020年第1期251-259,共9页TIAN Zu-an ZENG Zhong LIU Hao YIN Linmao ZHANG Liangqi QIAO Long; supported by the National Natural Science Foundation of P. R. China (No. 11572062);Program for Changjiang Scholars and Innovative Research Team in University (No. IRT_17R112); Thermocapillary flow of silicon melt(Pr=0.011)in shallow annular pool heated from inner wall was simulated at the dimensionless rotation ratewranging from 0 to 7000.The effect of pool rotation on the stability of the ...; 关键词：annular pool thermocapillary flow instability spectral element method linear stability analysis

Effect of Rotational Speed on the Stability of Two Rotating Side-by-side Circular Cylinders at Low Reynolds Number被引量：3: 《Journal of Thermal Science》2018年第2期125-134,共10页DOU Huashu ZHANG Shuo YANG Hui SETOGUCHI Toshiaki KINOUE Yoichi; supported by National Natural Science Foundation of China(51579224);Zhejiang Province Key Science and Technology Innovation Team Project(2013TD18);Zhejiang Province Science and Technology Plan Project(2017C34007); Flow around two rotating side-by-side circular cylinders of equal diameter D is numerically studied at the Rey- nolds number 40〈 Re 〈200 and various rotation rate 8i. The incoming flow is assumed to be two-dimension...; 关键词：numerical simulation rotating circular cylinders STABILITY vortex interactions energy gradient theory

Flow Development through HP&LP Turbines,PartⅠ:Inward Rotating Cavity Flow with Superimposed Throughflow: 《Journal of Thermal Science》2017年第4期297-307,共11页GAO Jinhai DU Qiang LIU Jun LIU Guang WANG Pei LIU Hongrui DU Meimei; the National Natural Science Foundation of China for sponsoring the research described in the current paper(No.51406204); With the aid of numerical method, both flow field and its accompanied loss mechanism within the rotating cavity are investigated in detail in the 1^(st) part of the two parts paper. For ease of comparison, rotating ca...; 关键词：Turbines Inward rotating cavity flow Superimposed throughflow Flow pattern

Laminar Forced Convection from a Rotating Horizontal Cylinder in Cross Flow: 《Journal of Thermal Science》2017年第2期153-159,共7页Prabul Chandran G.Venugopal H.Abdul Jaleel M.R.Rajkumar; The influence of non-dimensional rotational velocity, flow Reynolds number and Prandtl number of the fluid on laminar forced convection from a rotating horizontal cylinder subject to constant heat flux boundary condit...; 关键词：Heated rotating cylinder Non-dimensional rotational velocity Flow Reynolds number Prandtl number

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