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Dynamics analysis of a cracked dual-disk over-hung rotor-bearing system

CHEN Hong, LI He, WEN Bang-chun, ZHANG Xiao-wei

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 204-208 doi: 10.1007/s11465-006-0002-6

Abstract: dynamic model of a dual-disk vertical over-hung rotor-bearing system is developed, taking into account nonlinearoil-film force.Because of the strong effect of the nonlinear oil-film force and crack to the system, 1/2 times, 1/3

Keywords： nonlinear oil-film     diagnosis     bifurcation     dynamic     numerical Runge-Kutta    

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A novel composite coating mesh film for oil-water separation

Futao QIN, Zhijia YU, Xinhui FANG, Xinghua LIU, Xiangyu SUN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 112-118 doi: 10.1007/s11705-009-0149-x

Abstract: The contact angle of this mesh film is 156.3° for water, and close to 0° for diesel oil and kerosene.The contact angle hysteresis of water on the mesh film is 4.3°.An oil-water separation test was carried out for oil-contaminated water in a six-stage super-hydrophobicfilm separator.The oil removal rate can reach about 99%.

Keywords： super-hydrophobic     super-oleophilic     composite coating     mesh film     separation of oil and water    

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Nonlinear Size-dependent Study of Ultra-thin Elastic Film With Surface Effect

Huang Dianwu,Li Yuanjun,Li Kai

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 54-59

Abstract:

A new nano-scale plate-like model in which the influence of surface effect and the geometrically nonlinearmembrane force and bending moment, it can be obtained that they are dependent on the deformation of the filmtheory, the proposed model and solutions involve the intrinsic scale and depend on the thickness of the filmThus, it can be found that when the thickness of,the film is equal to or less than the intrinsic scale, the surface effect is strongly sensitive to the thickness of the film.

Keywords： thin elastic film     geometrically nonlinear     surface effect     intrinsic scale     size-dependence    

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A free-standing superhydrophobic film for highly efficient removal of water from turbine oil

Fan Shu, Meng Wang, Jinbo Pang, Ping Yu

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 393-399 doi: 10.1007/s11705-018-1754-3

Abstract: A free-standing superhydrophobic film is prepared by sequentially dip-coating a commercially availableSuch a surface structure makes the prepared film a superhydrophobic material.Due to its free-standing nature, this superhydrophobic film can be used to remove water from turbineoil by filtration.facile fabrication process and the high efficiency of water removal, this free-standing superhydrophobic film

Keywords： superhydrophobicity     nanoparticles     dip coating     epoxy emulsion     turbine oil    

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Numerical simulation of liquid falling film on horizontal circular tubes

Fengdan SUN, Songlin XU, Yongchuan GAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 322-328 doi: 10.1007/s11705-012-1296-z

Abstract: The objective of this study is to investigate numerically the flow characteristics of falling film onThe volume of fluid method is used to track the motion of liquid falling film and the gas-liquid interfaceThe velocity distribution and the film thickness characteristics on the top tube, some special flow characteristicsdistributions of the upper and lower parts of the tube are not strictly symmetric and non-uniform, 2) the filmare distinguished, and 5) the liquid feed height plays an important role on the formation of falling film

Keywords： falling film     horizontal tube     flow characteristics     film thickness     liquid feeder height    

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Experimental and theoretical investigations of the lateral vibrations of an unbalanced Jeffcott rotor

Ali ALSALEH, Hamid M. SEDIGHI, Hassen M. OUAKAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 1024-1032 doi: 10.1007/s11709-020-0647-y

Abstract: In contrast to the other works where nonlinear mathematical models with some complexities are proposed

Keywords： rotor-dynamics     Jeffcott rotor     lateral vibrations     Lagrange method     system-equivalent stiffness     sleeve bearings     oilfilm induced stiffness    

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Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 347-354 doi: 10.15302/J-FASE-2015077

Abstract: It is imperative to carry out research on residual plastic film collection technology to solve the seriousThe residual plastic film baler was designed as a package for film strip collection, cleaning and balingand the impurity of film package.The results show that the factors affecting the collection rate of residual film and the impurity ofwas 88.9% and the impurity of residual film package was 14.2% for the baler.

Keywords： residual film     collection device     collection rate of residual film     impurity of film package     optimization    

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Retrospect and Prospect of Study on Thin Film Lubrication

Ge Jianbin,Zhang Chaohui,Wen Shizhu

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 84-89

Abstract:

Thin film lubrication (TFL) has been well studied as a new lubrication regime since the 90s of lastof TFL, which involves the origin of the TFL concept, advancement of measuring technique, TFL's film-forming

Keywords： thin film lubrication     ordered film     film thickness measurement     microstructure    

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: regions: a nonevaporating region, where the liquid is adsorbed on the wall; a transition region or thin-filmThe thin liquid film, with thickness from nanometers up to micrometers, covering the transition regionIn this paper, a review was made of the researches on thin-liquid-film evaporation.The major characteristics of thin film, thin-film modeling based on continuum theory, simulations basedon molecular dynamics, and thin-film profile and temperature measurements were summarized.

Keywords： meniscus     thin film     contact line     disjoining pressure     evaporation    

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Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 564-591 doi: 10.1007/s11705-021-2109-z

Abstract: Polyamide thin film composite membranes have dominated current reverse osmosis market on account of theirsusceptibility of polyamide toward chlorine attack has been regarded as the Achilles’s heel of polyamide thin filmThe advancement in the development of chlorine resistant polyamide thin film composite membranes is reviewed

Keywords： reverse osmosis     polyamide     thin film composite membranes     chlorine resistance     surface modification    

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Piezoelectric film-actuated motion platform with high resolution

HUA Shunming, ZHANG Hongzhuang, CHENG Guangming, FAN Zunqiang, LIU Jianfang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 265-269 doi: 10.1007/s11465-008-0041-2

Abstract: A piezoelectric film-actuated motion platform with high resolution, which can run in two directions within

Keywords： mathematical     stick-slip mechanism     piezoelectric film-actuated     analysis     terrific    

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Heat and mass transfer of ammonia-water in falling film evaporator

Xianbiao BU, Weibin MA, Huashan LI

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 358-366 doi: 10.1007/s11708-011-0161-y

Abstract: investigate the performance of heat and mass transfer of ammonia-water during the process of falling filmSubsequently, a series of parameters, such as velocity, film thickness and concentration, etc., wereCalculated results show that the average velocity and the film thickness change dramatically at the entrancethat the roll-worked enhanced tube or other enhanced tube can reduce the concentration gradient in the film

Keywords： falling film evaporation     ammonia-water     heat and mass transfer    

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Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 219-225 doi: 10.1007/s11465-010-0010-4

Abstract: This paper studies thin film flows with free surfaces driven by gravity through two types of undulatedcommenced from Navier-Stokes equations and continuity equation, the exact numerical results of free-surface filmfrom the waviness of the substrate planes profile, height of the triangle plane, and change of the filmheight on film flow dynamics properties are shown.

Keywords： waviness     triangle height     film thickness     streamlines separation     vortex    

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Improved film evaporator for mechanistic understanding of microwave-induced separation process

Xin Gao, Dandan Shu, Xingang Li, Hong Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 759-771 doi: 10.1007/s11705-019-1816-1

Abstract: Microwave-induced film evaporation separation process has been reported recently to separate the polarTo carry out these investigations, a novel microwave-induced falling film evaporation instrument wasimprovement of the enhancement effect of microwave-induced separation was observed based on the improved film

Keywords： process intensification     microwave     falling film evaporation     separation     azeotrope    

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Surface modification by ligand growth strategy for dense copper bismuth film as photocathode to enhance

Frontiers in Energy doi: 10.1007/s11708-023-0893-5

Abstract: However, semiconductor film grown on photoelectrode suffers from numerous challenges, leading to the

Keywords： copper bismuthate     photocathode     ligand growth strategy     dense film     PEC    

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Title Author Date Type Operation

Dynamics analysis of a cracked dual-disk over-hung rotor-bearing system

CHEN Hong, LI He, WEN Bang-chun, ZHANG Xiao-wei

Journal Article

A novel composite coating mesh film for oil-water separation

Futao QIN, Zhijia YU, Xinhui FANG, Xinghua LIU, Xiangyu SUN

Journal Article

Nonlinear Size-dependent Study of Ultra-thin Elastic Film With Surface Effect

Huang Dianwu,Li Yuanjun,Li Kai

Journal Article

A free-standing superhydrophobic film for highly efficient removal of water from turbine oil

Fan Shu, Meng Wang, Jinbo Pang, Ping Yu

Journal Article

Numerical simulation of liquid falling film on horizontal circular tubes

Fengdan SUN, Songlin XU, Yongchuan GAO

Journal Article

Experimental and theoretical investigations of the lateral vibrations of an unbalanced Jeffcott rotor

Ali ALSALEH, Hamid M. SEDIGHI, Hassen M. OUAKAD

Journal Article

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Journal Article

Retrospect and Prospect of Study on Thin Film Lubrication

Ge Jianbin,Zhang Chaohui,Wen Shizhu

Journal Article

Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Journal Article

Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Journal Article

Piezoelectric film-actuated motion platform with high resolution

HUA Shunming, ZHANG Hongzhuang, CHENG Guangming, FAN Zunqiang, LIU Jianfang

Journal Article

Heat and mass transfer of ammonia-water in falling film evaporator

Xianbiao BU, Weibin MA, Huashan LI

Journal Article

Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Journal Article

Improved film evaporator for mechanistic understanding of microwave-induced separation process

Xin Gao, Dandan Shu, Xingang Li, Hong Li

Journal Article

Surface modification by ligand growth strategy for dense copper bismuth film as photocathode to enhance

Journal Article