Resource Type

Journal Article 141

Year

2023 6

2022 18

2021 7

2020 8

2019 7

2018 6

2017 13

2016 5

2015 5

2014 6

2013 8

2012 2

2011 3

2010 6

2009 12

2008 7

2007 7

2006 4

2005 2

2001 5

open ︾

Keywords

shape memory alloy 6

axial piston pump 5

Additive manufacturing 3

Shape optimization 3

“ 2

4D printing 2

E” 2

FEM 2

Machine learning 2

heat pump 2

information 2

natural frequency 2

particle shape 2

shape memory alloys 2

-shaped value 1

-shaped valve 1

3-dimensional 1

3D face reconstruction 1

3D pore volume distribution 1

open ︾

Search scope:

排序： Display mode:

Elliptical lobe shape gerotor pump design to minimize wear

Mohammad Reza KARAMOOZ RAVARI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 429-434 doi: 10.1007/s11465-011-0247-6

Abstract: In this paper first mathematical equations for elliptical lobe shape rotors profile and curvature ofTo reach the minimum wear in rotors teeth, the ellipse shape factor is changed for each value of number

Keywords： gerotor pump     elliptical lobe shape pump     wear rate proportional factor (WRPF)     specific flow    

HTML PDF Collect

Research on the valveless piezoelectric pump with Y-shape pipes

ZHANG Jianhui, LU Jizhuang, XIA Qixiao

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 144-151 doi: 10.1007/s11465-007-0024-8

Abstract: A piezoelectric pump with its Y-shape elements is presented.Two Y-shape pipes are fixed outside the chamber serving as an inlet and outlet, with the chamber andThe pump has the potential to be miniaturized and integrated.Eddies occurring in the Y-shape elements are smaller, which is beneficial for the transport of livingof the theory on this pump.

Keywords： chamber serving     beneficial     working frequency     long-link     correction    

HTML PDF Collect

Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0715-1

Abstract: In this study, a high-performance ultrasonic elliptical vibration cutting (UEVC) system is developedA cutting tool is installed at the end of the ultrasonic vibration unit to output the ultrasonic elliptical

Keywords： tungsten heavy alloy     ultrasonic elliptical vibration cutting     Timoshenko’s theory     resonant mode of    

HTML PDF Collect

Fracture behavior of two non-symmetrical collinear cracks emanating from an elliptical hole in a piezoelectric

Junhong GUO, Zixing LU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 296-300 doi: 10.1007/s11465-011-0236-9

Abstract: technique of conformal mapping, the problem of two non-symmetrical collinear cracks emanating from an elliptical

Keywords： piezoelectric materials     elliptical hole     semi-permeable crack     energy release rate     analytic solution    

HTML PDF Collect

Static and dynamic analysis of functionally graded fluid-infiltrated porous skew and elliptical nanoplates

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 477-502 doi: 10.1007/s11709-023-0918-5

Abstract: free and forced vibration responses of functionally graded fluid-infiltrated porous (FGFP) skew and elliptical

Keywords： static bending     free and forced vibrations     nonlocal theory     isogeometric analysis     fluid-infiltrated porous nanoplates    

HTML PDF Collect

Machine learning for detecting mesial temporal lobe epilepsy by structural and functional neuroimaging

Baiwan Zhou, Dongmei An, Fenglai Xiao, Running Niu, Wenbin Li, Wei Li, Xin Tong, Graham J Kemp, Dong Zhou, Qiyong Gong, Du Lei

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 630-641 doi: 10.1007/s11684-019-0718-4

Abstract: Mesial temporal lobe epilepsy (mTLE), the most common type of focal epilepsy, is associated with functional

Keywords： mesial temporal lobe epilepsy     functional magnetic resonance imaging     structural magnetic resonance imaging    

HTML PDF Collect

Extended two-fluid model applied to analysis of bubbly flow in multiphase rotodynamic pump impeller

Zhiyi YU, Guoyu WANG, Shuliang CAO

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 53-59 doi: 10.1007/s11465-009-0006-0

Abstract: and air-water two-phase flow with the inlet gas volume fraction being 15% in a multiphase rotodynamic pumpimpeller and the pump head performance is predicted.

Keywords： two-fluid model     multiphase rotodynamic pump     SIMPLEC algorithm     numerical simulation    

HTML PDF Collect

R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Frontiers in Energy 2010, Volume 4, Issue 1,   Pages 47-54 doi: 10.1007/s11708-009-0080-3

Abstract: The ground-coupled heat pump (GCHP) systems have been identified as one of the best sustainable energy

Keywords： ground source heat pump     ground heat exchanger     HVAC     China    

HTML PDF Collect

Analysis of stability and nonlinear response of rotor system with elliptical sliding bearing supports

LU Yanjun, LIU Heng, YU Lie, LI Qi, JIANG Ming, ZHANG Zhiyu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 37-45 doi: 10.1007/s11465-007-0006-x

Abstract: Based on the variational constraint approach, the variational form of Reynolds equation in hydrodynamic lubrication is revised continuously to satisfy certain constraints in the cavitation zone of oil film field. According to the physical characteristic of oil film, an eight-node isoparametric finite element method is used to convert the revised variational form of Reynolds equation to a discrete form of finite dimensional algebraic variational equation. By this approach, a perturbance equation can be obtained directly on the finite element equation. Consequently, nonlinear oil film forces and their Jacobian matrices are calculated simultaneously, and compatible accuracy is obtained without increasing the computational costs. A method, which is a combination of predictor corrector mechanism and Newton Raphson method, is presented to calculate equilibrium position and critical speed corresponding to Hopf bifurcation point of bearing-rotor system, as by-product dynamic coefficients of bearing are obtained. The timescale, i.e., the unknown whirling period of Hopf bifurcation solution of bearing-rotor system is drawn into the iterative process using Poincar?Newton Floquet method. The stability of the Hopf bifurcation solution can be detected when estimating Hopf bifurcation solution and its periods. The nonlinear unbalanced periodic responses of the system are obtained by using PNF method and path-following technique. The local stability and bifurcation behaviors of periodic motions are analyzed by Floquet theory. Chaotic motions are analyzed by Lyapunov exponents. The numerical results revealed the rich and complex nonlinear behavior of the system, such as periodic, quasiperiodic, jumped solution, chaos, and coexistence of multisolution, and so on.

Keywords： computational     corrector mechanism     predictor corrector     multisolution     quasiperiodic    

HTML PDF Collect

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pumpThe analysis of the testing data indicates that the average heat-pump coefficient of performance (COP

Keywords： ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

HTML PDF Collect

A valveless piezoelectric pump with novel flow path design of function of rectification to improve energy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0685-3

Abstract: the proposed tubes were integrated into a piezo-driven chamber, and a novel valveless piezoelectric pumpUnlike previous pumps, the reported pump directed the reflux fluid to another flow channel different

Keywords： composite tube     valveless piezoelectric pump     rectification     energy efficiency    

HTML PDF Collect

An extended thermo-mechanically coupled algorithm for simulation of superelasticity and shape memoryeffect in shape memory alloys

S. HASHEMI,H. AHMADIAN,S. MOHAMMADI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 466-477 doi: 10.1007/s11709-015-0300-3

Abstract: Thermo-mechanical coupling in shape memory alloys is a very complicated phenomenon.lead to temperature-dependent variation of its mechanical behavior in the forms of superelasticity and shapealgorithm is proposed based on the original model of Lagoudas to efficiently model both superelasticity and shape

Keywords： shape memory alloy     thermo-mechanical coupling     superplasticity     shape memory effect    

HTML PDF Collect

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 414-436 doi: 10.1007/s11708-017-0507-1

Abstract: Absorption heat pump attracts increasing attention due to its advantages in low grade thermal energyIn this paper, three important aspects for absorption heat pump for waste heat reuse are reviewed.In the first part, different absorption heat pump cycles are classified and introduced., alcohol based working pairs, and halogenated hydrocarbon based working pairs, for absorption heat pumpIn the third part, the applications of the absorption heat pump and absorption heat transformer for waste

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

HTML PDF Collect

design of novel proton-pump inhibitors with reduced adverse effects

Xiaoyi Li, Hong Kang, Wensheng Liu, Sarita Singhal, Na Jiao, Yong Wang, Lixin Zhu, Ruixin Zhu

Frontiers of Medicine 2019, Volume 13, Issue 2,   Pages 277-284 doi: 10.1007/s11684-018-0630-3

Abstract: The development of new proton-pump inhibitors (PPIs) with less adverse effects by lowering the pKa values

Keywords： proton-pump inhibitor     adverse effect     pharmacological mechanism     toxicological mechanism     pKa calculation    

HTML PDF Collect

Reducing biliary complications in adult-to-adult living donor liver transplantation using right lobe

YAN Lunan, WEN Tianfu, WANG Wentao, YANG Jiayin, XU Mingqing, CHEN Zheyu, WU Hong

Frontiers of Medicine 2008, Volume 2, Issue 2,   Pages 130-133 doi: 10.1007/s11684-008-0024-z

Abstract: The aim of this paper is to summarize our experience of using right lobe liver grafts to reduce biliaryJanuary 2002 to October 2007, 124 adult patients underwent living donor liver transplantation using right lobe

Keywords： microsurgical     October     improved     success     transplantation    

HTML PDF Collect

Title Author Date Type Operation

Elliptical lobe shape gerotor pump design to minimize wear

Mohammad Reza KARAMOOZ RAVARI

Journal Article

Research on the valveless piezoelectric pump with Y-shape pipes

ZHANG Jianhui, LU Jizhuang, XIA Qixiao

Journal Article

Design of ultrasonic elliptical vibration cutting system for tungsten heavy alloy

Journal Article

Fracture behavior of two non-symmetrical collinear cracks emanating from an elliptical hole in a piezoelectric

Junhong GUO, Zixing LU

Journal Article

Static and dynamic analysis of functionally graded fluid-infiltrated porous skew and elliptical nanoplates

Journal Article

Machine learning for detecting mesial temporal lobe epilepsy by structural and functional neuroimaging

Baiwan Zhou, Dongmei An, Fenglai Xiao, Running Niu, Wenbin Li, Wei Li, Xin Tong, Graham J Kemp, Dong Zhou, Qiyong Gong, Du Lei

Journal Article

Extended two-fluid model applied to analysis of bubbly flow in multiphase rotodynamic pump impeller

Zhiyi YU, Guoyu WANG, Shuliang CAO

Journal Article

R&D of the ground-coupled heat pump technology in China

Nairen DIAO, Ping CUI, Junhong LIU, Zhaohong FANG,

Journal Article

Analysis of stability and nonlinear response of rotor system with elliptical sliding bearing supports

LU Yanjun, LIU Heng, YU Lie, LI Qi, JIANG Ming, ZHANG Zhiyu

Journal Article

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

A valveless piezoelectric pump with novel flow path design of function of rectification to improve energy

Journal Article

An extended thermo-mechanically coupled algorithm for simulation of superelasticity and shape memoryeffect in shape memory alloys

S. HASHEMI,H. AHMADIAN,S. MOHAMMADI

Journal Article

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Journal Article

design of novel proton-pump inhibitors with reduced adverse effects

Xiaoyi Li, Hong Kang, Wensheng Liu, Sarita Singhal, Na Jiao, Yong Wang, Lixin Zhu, Ruixin Zhu

Journal Article

Reducing biliary complications in adult-to-adult living donor liver transplantation using right lobe

YAN Lunan, WEN Tianfu, WANG Wentao, YANG Jiayin, XU Mingqing, CHEN Zheyu, WU Hong

Journal Article