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LOSS: 作品数：1361被引量：3209H指数：22; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：张上罗晖温秀兰刘长礼王书奎更多>>; 相关机构：中国科学院三峡大学西南交通大学浙江大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划中国博士后科学基金更多>>

Influence of Real Gas Properties on Aerodynamic Losses in a Supercritical CO_(2) Centrifugal Compressor: 《Journal of Thermal Science》2024年第6期2032-2046,共15页YANG Mingyang CAI Ruikai ZHUGE Weilin YANG Bijie ZHANG Yangjun; supported by the National Natural Science Foundation of China(Grant No.52076130)。; Supercritical carbon dioxide(SCO_(2))centrifugal compressor is a key component of a closed Brayton cycle system based on SCO_(2).A comprehensive understanding of the loss mechanism within the compressor is vital for i...; 关键词：SCO_(2) centrifugal compressor loss mechanism real gas properties

Application of New Empirical Models Based on Mathematical Statistics in the Through-Flow Analysis被引量：4: 《Journal of Thermal Science》2021年第6期2087-2098,共12页FEI Teng JI Lucheng; the National Natural Science Foundation of China for funding this work(Grant No.51676015).; The through-flow analysis is an important part in the compressor design process.In this part,lots of empirical models are used to predict the compressor aerodynamic performances.These models are all based on the early...; 关键词：through-flow analysis empirical models blade loss deviation regression analysis

Performance Improvement of a Centrifugal Compressor for the Fuel Cell Vehicle by Tip Leakage Vortex Control: 《Journal of Thermal Science》2021年第6期2099-2111,共13页CHEN Haoxiang ZHUGE Weilin ZHANG Yangjun MA Xuelong TAO Lin; the National Key R&D Program of China(Grant No.2018YFB0106502);Open Fund of Science and Technology on Thermal Energy and Power Laboratory(No.TPL2017AB008).; Heightened interests have been laid at the preliminary design and optimization of the centrifugal compressor for the fuel cell vehicle.The centrifugal compressor for fuel cell vehicle is driven by a high-speed motor;h...; 关键词：centrifugal compressor fuel cell vehicle efficiency improvement tip leakage vortex mixing loss

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

Effects of Squealer Geometry of Turbine Blade Tip on the Tip-Leakage Flow and Loss被引量：5: 《Journal of Thermal Science》2021年第4期1376-1387,共12页ZENG Fei ZHANG Weihao WANG Yufan CAO Xia ZOU Zhengping; support of the National Science Foundation of China(No.51406003);the National Science and Technology Major Project(J2019-II-0019-040)。; The effective control of the tip-leakage flow and loss is of great significance to improve the aerodynamic performance of the turbine.In this paper,the evolution mechanism of tip-leakage flow in a transonic high press...; 关键词：TURBINE squealer tip tip-leakage flow squealer width tip-leakage loss

A Critical Review of Real Gas Effects on the Regenerative Refrigerators被引量：2: 《Journal of Thermal Science》2021年第3期782-806,共25页CAO Qiang LUAN Mingkai LI Peng WEI Li WU Yan; supported by National Natural Science Foundation of China(No.51506152 and No.51777141);the Fundamental Research Funds for the Central Universities(inter-disciplinary program)under the contract No.kx0080020173427。; The regenerative refrigeration is an important reverse work-heat conversion cycle with a theoretical coefficient of performance(COP)identical to the Carnot efficiency.Practical regenerative refrigerators are capable o...; 关键词：real gas effects regenerative refrigerators loss mechanism reduction methods

Effect of Leading-Edge Optimization on the Loss Characteristics in a Low-Pressure Turbine Linear Cascade被引量：2: 《Journal of Thermal Science》2019年第5期886-904,共19页CUI Tao WANG Songtao TANG Xiaolei WEN Fengbo WANG Zhongqi; sponsored by the Project NO.51576037 supported by National Natural Science Foundation of China (NSFC); 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 a simple and practic...; 关键词：low pressure TURBINE LEADING edge LOSS BREAKDOWN LOSS AUDIT boundary layer entropy production rates

Entropy Generation Analysis in a Mixed-Flow Compressor with Casing Treatment被引量：5: 《Journal of Thermal Science》2019年第5期915-928,共14页ZHANG Qianfeng DU Juan LI Zhihui LI Jichao ZHANG Hongwu; financial support from National Key R&D Program of China under Grant NO.2018YFB0606100;the National Natural Science Foundation of China under Grant NO. 51790510 and NO. 51727810; 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 generation can design...; 关键词：NUMERICAL simulation mixed-flow COMPRESSOR LOSS MECHANISM CASING TREATMENT

Effects of End-Bend and Curved Blades on the Flow Field and Loss of a Compressor Linear Cascade in the Design Condition被引量：4: 《Journal of Thermal Science》2019年第4期801-810,共10页KAN Xiaoxu WU Wanyang YANG Ling ZHONG Jingjun; co-supported by the China Postdoctoral Science Foundation(Grant No.2017M621268);the National Natural Science Foundation of China(Grant Nos.51436002 and 51506020); Curved blade and end-bend blade are considered as effective passive control methods for improving the aerodynamic performance of a compressor cascade,and their applicability also needs to be further studied.A highly-l...; 关键词：COMPRESSOR linear cascade flow LOSS vortex structure curved BLADE end-bend BLADE design condition

Energy Loss Analysis of Novel Self-Priming Pump Based on the Entropy Production Theory被引量：12: 《Journal of Thermal Science》2019年第2期306-318,共13页CHANG Hao SHI Weidong LI Wei LIU Jianrui; the support from the National Natural Science Foundation of China (No.51679111, No.51409127 and No.51579118);Six Talents Peak Project of Jiangsu Province JNHB-CXTD-005;Natural Science Foundation of Jiangsu Province (BE2016163, BRA2017353 and No.BK20161472);Scientific research project of Jiangsu University(No.17A302);Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) and National Key R&D Program Project (No.2017YFC0403703); The conventional method cannot explicitly confirm the location and type of the energy loss, therefore this paper employs the entropy production theory to systematically analyze the category, magnitude and location of ...; 关键词：ENTROPY production ENERGY LOSS thickness DISTRIBUTION PRESSURE PULSATION

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