CASCADE

作品数:779被引量:1389H指数:14
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Design and Application of Turbine Cascade Partitioned Endwall Profiling
《Journal of Thermal Science》2025年第1期110-128,共19页ZENG Fei JIANG Ruiqi XUE Xingxu DU Wei LUO Lei ZHOU Xun 
the financial support provided by the National Science and Technology Major Project(J2019-Ⅳ-0008-0076,No.2019-Ⅱ-0010-0030);Natural Science Fund for Excellent Young Scholars of Heilongjiang Province(No.YQ2021E023)。
The influence of partitioned profiling design based on a large-pitch highly loaded cascade is studied by numerical simulation.The partitioned profile is mainly composed of a pressure-side convex structure near the lea...
关键词:large-pitch highly loaded cascade highly loaded design non-axisymmetrical endwall design secondary flow control partitioned endwall profiling 
Control of Corner Separation for a Linear Compressor Cascade via Bionic Slanting Riblets at the Endwall
《Journal of Thermal Science》2025年第1期129-144,共16页ZHANG Peng LI Yonghong CHENG Rixin 
supported by the National Natural Science Foundation of China(Youth Program No.52306058);Natural Science Foundation of Tianjin Municipal Science and Technology Commission(Youth Program No.22JCQNJC00050);the Open Fund of Key Laboratory of Civil Aircraft Airworthiness Technology(No.SH2021111908);the Fundamental Research Funds for the Central Universities(No.3122024PT15)。
A new passive control approach,utilizing bionic slanting riblets,is employed to mitigate the flow close to the blade endwall in a linear cascade,and its effectiveness and mechanism in controlling corner separation are...
关键词:corner separation compressor cascade slanting riblets additional losses vortex generator 
Aerodynamic Design Method and Experimental Investigation of a High-Load Supersonic Compressor Cascade
《Journal of Thermal Science》2024年第6期2075-2088,共14页YAN Tingsong YAN Peigang LIANG Zhuoming CHEN Huanlong 
funded by the National Science and Technology Major Project(J2019-II-0016-0037).
The high-load compressor plays an important role in further improving the performance of aero-engine.However,the complex shock waves in the cascade channel also bring more aerodynamic losses.This paper proposes a supe...
关键词:unique inlet flow angle supersonic cascade aerodynamic optimization shock reflection pl cascadeexperiment 
Hybrid LES/RANS Simulations of Compressible Flow in a Linear Cascade of Flat Blade Profiles
《Journal of Thermal Science》2024年第5期1839-1850,共12页Jaromír PRIHODA Petr STRAKA David SIMURDA Petr SIDLOF Jan LEPICOVSKY 
supported by the Czech Science Foundation(GACR)(Grant No.20-11537S);Institutional support RVO:61388998。
The paper reports on 3D numerical simulations of unsteady compressible airflow in a blade cascade consisting of flat profiles using a hybrid LES/RANS approach including a transition model.As a first step towards simul...
关键词:numerical simulation blade cascade hybrid LES/RANS 
A Comprehensive Study of a Low-Grade Heat-Driven Cooling and Power System Based on Heat Current Method
《Journal of Thermal Science》2024年第4期1523-1541,共19页ZHAO Tian XU Ronghong XIN Yonglin HE Kelun MA Huan YUAN Mengdi CHEN Qun 
supported by National Natural Science Foundation of China(Grant No.52125604)。
Combined cooling and power(CCP)system driven by low-grade heat is promising for improving energy efficiency.This work proposes a CCP system that integrates a regenerative organic Rankine cycle(RORC)and an absorption c...
关键词:combined cooling and power system organic Rankine cycle absorption chiller cascade heat utilization heat current method off-design analysis 
Performance-Driven Multi-Objective Optimization Method for DLR Transonic Tandem Cascade Shape Design被引量:1
《Journal of Thermal Science》2023年第1期297-309,共13页LI Kunhang MENG Fanjie WANG Kaibin GUO Penghua LI Jingyin 
financially supported by the National Science and Technology Major Project(2017-II-0007-0021)。
Transonic tandem cascades can effectively increase the working load,and this feature conforms with the requirement of the large loads and pressure ratios of modern axial compressors.This paper presents an optimization...
关键词:transonic tandem cascade cascade parameterization strategy aerodynamic design performance-driven multi-objective optimization methodology 
Aerodynamic Comparison between Increasing Cascade Pitch and Turning Angle in the Highly-Loaded Design
《Journal of Thermal Science》2022年第5期1709-1722,共14页ZHOU Xun XUE Xingxu DU Xin LUO Lei WANG Songtao 
Theoretical and numerical study was carried out based on a linear turbine cascade(the Basic cascade)to compare the influences of the increased cascade pitch and turning angle in this paper.On one hand,the two highly-l...
关键词:linear turbine cascade highly-loaded design secondary flow enhancing pattern enhancing mechanism 
Design of a Sector Cascade Applied in the Middle Stage of a Compressor Test Rig
《Journal of Thermal Science》2022年第2期485-494,共10页WANG Jiayu HU Jun JIANG Chao LI Jun 
supported by the National Science and Technology Major Project(2017-Ⅱ-0004-0017)。
A compressor test platform was designed in the purpose of easy assembly and cost-saving tests.New design concepts were firstly used on the test platform and iterative revisions were conducted to verify the effects,whi...
关键词:sector cascade compressor test platform 3-D printing 
Calibration of Modified Spalart-Ailmaras Model Parameters for Linear Compressor Cascade Corner Flow被引量:1
《Journal of Thermal Science》2022年第1期163-172,共10页MATSUI Kotaro PEREZ Ethan KELLY TRyan TANI Naoki JEMCOV Aleksandar 
In this study,Bayesian parameter calibration is applied to Saplart-Allmaras(SA)turbulence model,and the prediction improvement by the calibrated model is demonstrated.The quantity of interest(QOI)is the pitch-wise dis...
关键词:COMPRESSOR corner flow turbulence model CALIBRATION 
Experimental Investigation of Effects of Reynolds Number and Incidence Angle on Secondary Flow within a Linear Blade Cascade
《Journal of Thermal Science》2021年第6期2122-2136,共15页FLÍDR Erik JELÍNEK Tomáš KLADRUBSKÝMilan 
supported by the Long-Term Development Concept of Research Organization provided by the Ministry of Industry and Trade of the Czech Republic.
The kinetic energy loss and the secondary loss downstream of a high turning nozzle cascade were investigated.Influence of the incidence angle(i=-25°,0°and 25°)and Reynolds number(Re_(2,is)=0.8×10^(5),1.2×10^(5),...
关键词:linear blade cascade secondary loss pressure measurement 
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