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Special column for the memory of Professor CHEN Naixing 刊首语
Authors: NIE Chaoqun, ZHANG Hongwu, DU Juan
Institution:Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, China
doi:https://doi.org/10.1007/s11630-019-1216-3
Volume 28, Issue 5: 835-836, 2019 | PDF
Review
Published: Sept. 5, 2019
Views:38
Abstract: The special column of Journal of Thermal Science (JTS) is dedicated to the late Professor CHEN Naixing, who passed away on the 6th of August of 2018 when he was turning 85 years o...
Application of Fast Wavelet Analysis on Early Stall Warning in Axial Compressors 快速小波分析在轴流压气机失速预警中的应用
Authors: LIU Yang1,2, LI Jichao1,2*, DU Juan1,2 et al.
Institution:1. Advanced Gas Turbine Laboratory, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China
Keywords:axial compressor, stall inception, pre-stall inception, stall warning, fast wavelet
doi:https://doi.org/10.1007/s11630-019-1207-4
Volume 28, Issue 5: 837-849, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:35
Abstract: The timely detection of stall inception is of great significance for safe operation and stability control of axial compressor. In the current study, a fast wavelet tool was selected to predict stal...
Adjoint-Based Geometrically Constrained Aerodynamic Optimization of a Transonic Compressor Stage 考虑几何约束的跨音速压气机级伴随优化
Authors: SU Xinrong1*, MA Can2, YUAN Xin1
Institution:1. Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084, China
Keywords:aerodynamic optimization, compressor stage, discrete adjoint method, geometric constraint
doi:https://doi.org/10.1007/s11630-019-1141-5
Volume 28, Issue 5: 850-861, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:19
Abstract: Efficient method to handle the geometric constraints in the optimization of turbomachinery blade profile is required. Without constraints on the blade thickness, optimal designs typically yield thi...
Application of Stall Warning Approach with Stall Precursor-Suppressed Casing Treatment on a Two-Stage Compressor 失速预警与先兆抑制型机匣处理结合的两级压气机扩稳控制
Authors: XU Ruize, SUN Dakun, DONG Xu* et al.
Institution:Fluid and Acoustics Engineering Laboratory, School of Energy and Power Engineering, Beihang University, Beijing 100083, China
Keywords:axial compressor, stall warning, casing treatment
doi:https://doi.org/10.1007/s11630-019-1186-5
Volume 28, Issue 5: 862-874, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:59
Abstract: A stall warning approach based on aero-acoustic theory is studied in this paper. For this stall warning approach, a parameter Rc is defined to measure the periodicity of the blade-passing si...
A Robust Blade Design Method based on Non-Intrusive Polynomial Chaos Considering Profile Error 基于NIPC的考虑叶片轮廓误差的稳健性设计方法
Authors: GAO Limin1, 2*, MA Chi1, 2, CAI Yutong1, 2
Institution:1. School of Power and Energy, Northwestern Polytechnical University, Xi’an 710129, China
Keywords:robust design, non-intrusive polynomial chaos, aerodynamic performance, random profile error, uncertainty quantification
doi:https://doi.org/10.1007/s11630-019-1185-6
Volume 28, Issue 5: 875-885, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:24
Abstract: To weaken the influence of profile error on compressor aerodynamic performance, especially on pressure ratio and efficiency, a robust design method considering profile error is built to improve the...
Effect of Leading-Edge Optimization on the Loss Characteristics in a Low-Pressure Turbine Linear Cascade 前缘优化对低压涡轮直列叶栅损失特性的影响研究
Authors: CUI Tao, WANG Songtao*, TANG Xiaolei et al.
Institution:School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Keywords:low pressure turbine, leading edge, loss breakdown, loss audit, boundary layer, entropy production rates
doi:https://doi.org/10.1007/s11630-019-1196-3
Volume 28, Issue 5: 886-904, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:46
Abstract: This paper presents a numerical study on the aerodynamics loss reduction characteristics after the leading-edge (LE) optimization in a low-pressure turbine linear cascade. The LE was optimized with...
Effects of Trenched Film Hole Configurations on the Endwall Film Cooling and Suction Side Phantom Cooling 横槽结构对叶栅端壁冷却特性和叶片吸力面二次冷却特性的影响
Authors: DU Kun1,3, LI Zhigang1, LI Jun1,2*
Institution:1. Institute of Turbomachinery, School of Energy & Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Keywords:gas turbine, turbine endwall cooling, trenched film holes, phantom cooling, numerical simulations
doi:https://doi.org/10.1007/s11630-019-1195-4
Volume 28, Issue 5: 905-914, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:30
Abstract: To maximize the turbine thermal efficiency, modern gas turbine’s inlet temperature is significantly augmented within the past few decades. To prolong the lifespan of gas turbines, many efficient co...
Entropy Generation Analysis in a Mixed-Flow Compressor with Casing Treatment 斜流压气机机匣处理条件下的熵产分析
Authors: ZHANG Qianfeng1,2, DU Juan1,2*, LI Zhihui1,2 et al.
Institution:1. Advanced Gas Turbine Laboratory, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China
Keywords:numerical simulation, mixed-flow compressor, loss mechanism, casing treatment
doi:https://doi.org/10.1007/s11630-019-1206-5
Volume 28, Issue 5: 915-928, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:30
Abstract: Casing treatments (CT) can effectively extend compressors flow ranges with the expense of efficiency penalty. Compressor efficiency is closely linked to loss. Only revealing the mechanisms of loss ...
Investigation of the Unsteady Disturbance in Tip Region of a Contra-Rotating Compressor near Stall 对转压气机近失速工况叶顶非定常扰动研究
Authors: CHEN Weixiong, WANG Yangang*, WANG Hao
Institution:School of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, China
Keywords:contra-rotating axial compressor, blade passing frequency, tip leakage flow, unsteady disturbance source, phase-locked RMS
doi:https://doi.org/10.1007/s11630-019-1191-8
Volume 28, Issue 5: 962-974, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:8
Abstract: The present study investigated the spectrum characteristics of unsteady disturbance and the tip leakage vortex evolution during pre-stall process for a contra-rotating axial compressor (CRAC). Tran...
The Development of Top-Hat Flow Field in a Circular Symmetrical Subsonic Nozzle. Top-hat流场在圆形轴对称亚音速喷嘴中的发展
Authors: ZHANG Han1, JIA Li1*, CUI Lishui2* et al.
Institution:1. Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China
Keywords:top-hat flow field, jet flow, formation process, inlet condition
doi:https://doi.org/10.1007/s11630-019-1193-6
Volume 28, Issue 5: 975-983, 2019 | PDF
Article
Published: Sept. 5, 2019
Views:8
Abstract: In this work, the numerical analysis and experimental measurements were made to investigate the development of top-hat flow field at atmospheric pressure in a circular symmetrical subsonic nozzle. ...