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Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and costs using improved ABC algorithm

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 426-432 doi: 10.1007/s11708-015-0376-4

Abstract: (ABC) algorithm in a multi-objective function consisting of economic dispatch (ED) considering the valve-pointsupply and demand, the impact of pollution, water balance, uneven production curve considering the valve-point

Keywords： practical constraints of units     pollution function     inlet steam valve     up-ramp rate of units     improved ABC    

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Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 390-394 doi: 10.1007/s11708-008-0087-1

Abstract: Numerical investigations on 3D flow fields in an axial flow fan with and without an inlet box have beenof fan performance caused by the internal flow fields and the velocity evenness at the exit of the inletIt is interesting to find that although the inlet box is well designed in accordance with basic designThis research shows that the inlet box needs further improvement and such a check on the flow fieldsis of value for the design of inlet boxes.

Keywords： box     velocity distribution     accordance     Numerical     variation    

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Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1000-1016 doi: 10.1007/s11708-021-0746-z

Abstract: This method adopts the inlet air heating technology, which uses the waste heat of low-grade heat sourceand the inlet guide vane (IGV) opening adjustment.Moreover, the regulation rules of the compressor inlet air temperature and the IGV opening are studiedtemperature, when inlet air temperature is lower than the optimal value with different IGV openings.Further, when the IGV is in a full opening state and an optimal inlet air temperature is achieved by

Keywords： inlet air temperature     inlet guide vane (IGV) opening     part-load     equilibrium running line     gas turbine    

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Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 386-397 doi: 10.1007/s11708-011-0156-8

Abstract: By performing gas flow field numerical simulations for several inlet Reynolds numbers (from 2 × 10byflow ratios (from 10% to 20%), the present study has proposed to improve the flow passage of an inletAn adjacent objective of the study is to lower pressure losses of the inlet particle separator (IPS).on expressions obtained for in both outlets which extend the pressure losses for a wide range of inlet

Keywords： streamlines     pressure losses     flow passage improvement     inlet particle separator (IPS)    

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Novel piezoelectric pump with “E”-shaped valve found from sub-experiments

Jianhui ZHANG, Jun HUANG, Xiaoqi HU, Qixiao XI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 212-218 doi: 10.1007/s11465-010-0009-x

Abstract: Increasing the driving frequency of a piezoelectric vibrator can resolve the bottleneck of low flow in a valveHowever, a piezoelectric pump of a traditional valve body presents the hysteretic nature of the valveFirst, through the sub-experiment on various parameters of the plate valve of a piezoelectric pump, thethe hysteretic nature of the valve, were discovered.Second, an “E”-shaped valve and piezoelectric pump with an “E”-shaped valve (

Keywords： piezoelectricity     valve     pump     experiment     “     E”     -shaped valve    

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A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 554-562 doi: 10.1007/s11783-014-0671-z

Abstract: simultaneously predict the Volatile Organic Compounds (VOCs) removal and filter bed pressure drop under varied inletlaboratory-scale experimental biofilter for gaseous toluene removal was set up and operated for 100 days with inlettoluene removal efficiency and bed pressure drop satisfactorily fit the experimental data under varied inlet

Keywords： Volatile Organic Compounds (VOCs)     biofilters     modelling     biomass accumulation     pressure drop    

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Nonlinear sealing force of a seawater balance valve used in an 11000-meter manned submersible

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0726-y

Abstract: Balance valve is a core component of the 11000-meter manned submersible “struggle,” and its sealing performanceanalytical–numerical–experimental (ANE) model is proposed to obtain the minimum sealing force, ensuring no leakage at the valveFinally, the minimum sealing force equation is applied in a balance valve to be experimented using aThe balance valve designed through the minimum sealing force equation is leak-free in the experiment.Thus, the minimum sealing force equation is suitable for the ultrahigh pressure balance valve and has

Keywords： seawater balance valve     sealing performance     hybrid ANE model     FEM     minimum sealing force equation    

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Artificial bee colony optimization for economic dispatch with valve point effect

Yacine LABBI,Djilani Ben ATTOUS,Belkacem MAHDAD

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 449-458 doi: 10.1007/s11708-014-0316-8

Abstract: This paper presents the well-known power system ED problem solution considering valve-point effect byhas been applied to various test systems with incremental fuel cost function, taking into account the valve-point

Keywords： artificial bee colony (ABC) algorithm     economic dispatch (ED)     valve-point effect     optimization    

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Numerical analysis on different lateral inlet cyclone flow field

Chen Qidong and Zuo Zhiquan

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 58-67

Abstract: velocity field of the cyclone with double entries had better symmetry and stability；only changing the inletcyclones’， the pressure drop of the bias tangential helicoidal cyclone decreased about 25 %；the inlet

Keywords： cyclone     lateral inlet     pressure drop     inlet total pressure     energy consumption    

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Development of a novel two-stage proportional valve with a pilot digital flow distribution

Qiang GAO, Yuchuan ZHU, Changwen WU, Yulei JIANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 420-434 doi: 10.1007/s11465-020-0622-2

Abstract: of improving the dynamic performance, reliability, and digitization of the traditional proportional valve, a novel two-stage proportional valve with a pilot digital flow distribution is proposed from the viewpointof the dual nozzle-flapper valve’s working principle.First, the working principle and mathematical model of the proposed valve are determined.’s spring) on the main valve’s motion are analyzed on the basis of theory, simulation, and experiment

Keywords： two-stage proportional valve     digital flow distribution     high-speed on/off valve     position tracking characteristic    

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Right coronary occlusion following transcatheter aortic valve implantation: two case reports

Gang Zhang,Jun Luo,Guo Chen

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 351-355 doi: 10.1007/s11684-016-0465-8

Abstract: stenosis, whose right coronary arteries (RCA) were completely occluded during transcatheter aortic valveThe second patient’s blood pressure fluctuated greatly for several minutes after the valve implantation

Keywords： aortic stenosis     transcatheter aortic valve implantation     right coronary occlusion     cardiac group    

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improving left ventricular remodelling and clinical outcome following surgical and trans-catheter aortic valve

Frontiers of Medicine 2021, Volume 15, Issue 3,   Pages 416-437 doi: 10.1007/s11684-021-0852-7

Abstract: Over the last half century, surgical aortic valve replacement (SAVR) has evolved to offer a durable andefficient valve haemodynamically, with low procedural complications that allows favourable remodellinglatter has become more challenging among elderly patients, particularly following trans-catheter aortic valvePrecise understanding of myocardial adaptation to pressure and volume overloading and its responses to valvesurgery requires comprehensive assessments from aortic valve energy loss, valvular-vascular impedance

Keywords： surgical aortic valve replacement     trans-catheter aortic valve implantation     left ventricular hypertrophy    

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Fluid damping clearance in a control valve of injector

ZHANG Jianming, ZHANG Weigang, YANG Bing, WANG Yawei

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 439-441 doi: 10.1007/s11465-007-0075-x

Abstract: A force model of a control valve of injector is set up, and the changes of the fluid damping clearanceon the basis of the results of the computational fluid dynamics (CFD) and the experiments of control valveResults indicate that a damping clearance of 0.02–0.03 mm between the poppet and the valve guide is themost sufficient to dampen any excessive control valve poppet bouncing.

Keywords： control     computational     bouncing     CFD     excessive control    

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Solution to economic dispatch problem with valve-point loading effect by using catfish PSO algorithm

K. MURALI,T. JAYABARATHI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 290-296 doi: 10.1007/s11708-014-0305-y

Abstract: The ED problems considered in this paper include valve-point loading effect, power balance constraints

Keywords： economic dispatch (ED)     valve point loading     catfish particle swarm optimization (PSO)     optimization    

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Piezoelectric pump with flexible venous valves for active cell transmission

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0712-4

Abstract: In this study, we designed a piezoelectric pump with a flexible venous valve inspired by that of humanselectric-solid-liquid multi-physical field coupling of the piezoelectric pump with a flexible venous valve

Keywords： venous valve     flexible venous valve     cell transmission     organ-on-a-chip system     piezoelectric device    

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Title Author Date Type Operation

Optimal operation of energy at hydrothermal power plants by simultaneous minimization of pollution and costs using improved ABC algorithm

Homayoun EBRAHIMIAN,Bahman TAHERI,Nasser YOUSEFI

Journal Article

Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Journal Article

Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and

Journal Article

Numerical study of internal flow field and flow passage improvement of an inlet particle separator

Florian PAOLI, Tong WANG

Journal Article

Novel piezoelectric pump with “E”-shaped valve found from sub-experiments

Jianhui ZHANG, Jun HUANG, Xiaoqi HU, Qixiao XI,

Journal Article

A biofilter model for simultaneous simulation of toluene removal and bed pressure drop under varied inlet

Jinying XI,Insun KANG,Hongying HU,Xian ZHANG

Journal Article

Nonlinear sealing force of a seawater balance valve used in an 11000-meter manned submersible

Journal Article

Artificial bee colony optimization for economic dispatch with valve point effect

Yacine LABBI,Djilani Ben ATTOUS,Belkacem MAHDAD

Journal Article

Numerical analysis on different lateral inlet cyclone flow field

Chen Qidong and Zuo Zhiquan

Journal Article

Development of a novel two-stage proportional valve with a pilot digital flow distribution

Qiang GAO, Yuchuan ZHU, Changwen WU, Yulei JIANG

Journal Article

Right coronary occlusion following transcatheter aortic valve implantation: two case reports

Gang Zhang,Jun Luo,Guo Chen

Journal Article

improving left ventricular remodelling and clinical outcome following surgical and trans-catheter aortic valve

Journal Article

Fluid damping clearance in a control valve of injector

ZHANG Jianming, ZHANG Weigang, YANG Bing, WANG Yawei

Journal Article

Solution to economic dispatch problem with valve-point loading effect by using catfish PSO algorithm

K. MURALI,T. JAYABARATHI

Journal Article

Piezoelectric pump with flexible venous valves for active cell transmission

Journal Article