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Effects of fuel combination and IVO timing on combustion and emissions of a dual-fuel HCCI combustion

Xin LIANG, Jianyong ZHANG, Zhongzhao LI, Jiabo ZHANG, Zhen HUANG, Dong HAN

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 778-789 doi: 10.1007/s11708-020-0698-8

Abstract: This paper experimentally and numerically studied the effects of fuel combination and intake valve opening(IVO) timing on combustion and emissions of an n-heptane and gasoline dual-fuel homogeneous charge compressionBy changing the gasoline fraction (GF) from 0.1 to 0.5 and the IVO timing from –15°CA ATDC to 35°CA ATDCThe results showed that both the increased GF and the retarded IVO timing delay the combustion phasingHC and CO emissions are decreased with reduced GF, advanced IVO timing and increased operational load

Keywords： homogeneous charge compression ignition     dual-fuel     n-heptane     gasoline     intake valve opening timing    

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Design of a hybrid magnetomotive force electromechanical valve actuator Article

Jawad ASLAM, Xing-hu LI, Faira Kanwal JANJUA

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 10,   Pages 1635-1643 doi: 10.1631/FITEE.1601215

Abstract: modified hybrid permanent magnet (PM)/electromagnet (EM) magnetomotive force actuator for a variable valvetiming camless engine.We compared our proposed design with a double solenoid valve actuator (DSVA).The finite element method (FEM) designs of the DSVA and our proposed valve actuator were validated by

Keywords： Permanent magnet     Electromagnet     Variable valve timing     Camless engine     Magnetomotive force    

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J-shaped association between dietary zinc intake and new-onset hypertension: a nationwide cohort study

Frontiers of Medicine 2023, Volume 17, Issue 1,   Pages 156-164 doi: 10.1007/s11684-022-0932-3

Abstract: We aimed to investigate the relationship of dietary zinc intake with new-onset hypertension among ChineseDietary intake was assessed by three consecutive 24-h dietary recalls combined with a household foodOverall, the association between dietary zinc intake and new-onset hypertension followed a J-shape (intake< 10.9 mg/day, and increased with the increment of zinc intake (per mg/day: HR 1.14

Keywords： dietary zinc intake     new-onset hypertension     general population     CHNS    

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Water pumping analysis and experimental validation of beach well infiltration intake system in a seawater

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 335-342 doi: 10.1007/s11708-015-0365-7

Abstract: Based on energy conservation equation and Darcy’s law, a model of beach well infiltration intake

Keywords： water pumping analysis     experimental validation     infiltration intake system     seawater source heat pump    

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Optimal Timing and Recycling Operation Mode for Electro-Mechanical Products Active Remanufacturing

Wang Gao,Tao Li,Shi-tong Peng,Liang Wang,Hong-chao Zhang

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 115-122 doi: 10.15302/J-FEM-2016019

Abstract: Based on life cycle assessment method and the life cycle cost analysis, the optimal timing model of activeefficiency and corresponding operation mode of electro-mechanical products when recycling in the optimal timingTo validate the optimal timing model for electro-mechanical products active remanufacturing, a specific

Keywords： electro-mechanical products     active remanufacturing     optimal timing     reverse logistics     recycling mode    

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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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Liquid metal printing opening the way for energy conservation in semiconductor manufacturing industry

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 542-547 doi: 10.1007/s11708-022-0834-8

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Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Frontiers of Structural and Civil Engineering   Pages 1428-1441 doi: 10.1007/s11709-023-0998-2

Abstract: High-rise intake towers in high-intensity seismic areas are prone to structural safety problems underAn intake tower in northwest China was considered the research object, and its natural vibration characteristicsFinally, the rationality of the original intake tower antiseismic design scheme was evaluated accordingprovide significant references for designing anti-seismic measures for high-rise structures such as intake

Keywords： intake tower     NSGA-II     mode decomposition response spectrum method     anti-seismic engineering measures    

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Impacts of opening baffle of city road tunnels on natural ventilation performance

Weixiao YANG, Jincheng XING, Jianxing LI, Jihong LING, Haixian HAO, Zhiqiang YAN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 55-61 doi: 10.1007/s11709-013-0194-x

Abstract: Based on the opening baffle mode for natural ventilation of city road tunnels, this paper studies theimpacts of opening baffle on natural ventilation performance by verifying numerical simulation throughBy analyzing the impacts of installation angle, dimension, location, and quantity of opening baffle on

Keywords： city road tunnel     numerical simulation     baffle     top opening     natural ventilation    

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Assessment on contaminations in sediments of an intake and the inflow canals in Taihu Lake, China

Xiaolong WANG,Shiming DING,Qi ZHANG,Weiping HU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 665-674 doi: 10.1007/s11783-014-0701-x

Abstract: present study, we investigated the contaminations of nutrients and heavy metals in the sediments of an intakeOur results showed that the intake presented relatively lower concentrations of phosphorus and nitrogenHowever, the concentrations of Cr, Ni, Cu, Zn and Pb in the sediments of the intake exceeded the lowest

Keywords： drinking water resource     nutrients     heavy metals     sediments     Taihu Lake    

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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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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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Title Author Date Type Operation

Effects of fuel combination and IVO timing on combustion and emissions of a dual-fuel HCCI combustion

Xin LIANG, Jianyong ZHANG, Zhongzhao LI, Jiabo ZHANG, Zhen HUANG, Dong HAN

Journal Article

Design of a hybrid magnetomotive force electromechanical valve actuator

Jawad ASLAM, Xing-hu LI, Faira Kanwal JANJUA

Journal Article

J-shaped association between dietary zinc intake and new-onset hypertension: a nationwide cohort study

Journal Article

Water pumping analysis and experimental validation of beach well infiltration intake system in a seawater

Huan ZHANG,Shu LIU,Xuejing ZHENG,Gaofeng CHEN

Journal Article

Optimal Timing and Recycling Operation Mode for Electro-Mechanical Products Active Remanufacturing

Wang Gao,Tao Li,Shi-tong Peng,Liang Wang,Hong-chao Zhang

Journal Article

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

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

Journal Article

Liquid metal printing opening the way for energy conservation in semiconductor manufacturing industry

Journal Article

Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Journal Article

Impacts of opening baffle of city road tunnels on natural ventilation performance

Weixiao YANG, Jincheng XING, Jianxing LI, Jihong LING, Haixian HAO, Zhiqiang YAN

Journal Article

Assessment on contaminations in sediments of an intake and the inflow canals in Taihu Lake, China

Xiaolong WANG,Shiming DING,Qi ZHANG,Weiping HU

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

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