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A pneumatic cylinder driving polyhedron mobile mechanism

Wan DING, Sung-Chan KIM, Yan-An YAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 55-65 doi: 10.1007/s11465-012-0301-z

Abstract:

A novel pneumatic cylinder driving polyhedron mobile mechanism is proposed in this paper.The mechanism is comprised of 5 tetrahedrons which includes a pneumatic cylinder in each edge.

Keywords： mobile mechanism     polyhedron     cylinder    

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Enhancing fatigue life of cylinder-crown integrated structure by optimizing dimension

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 102-110 doi: 10.1007/s11465-015-0329-y

Abstract:

Cylinder-crown integrated hydraulic press (CCIHP) is a new press structure.The hemispherical hydraulic cylinder also functions as a main portion of crown, which has lower weightand higher section modulus compared with the conventional hydraulic cylinder and press crown.During the engineering design of cylinder-crown integrated structure, in order to increase the fatigue

Keywords： cylinder-crown integrated hydraulic press (CCIHP)     adaptive macro genetic algorithms (AMGA)     strain-controlled    

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Convective mass transfer from a horizontal rotating cylinder in a slot air jet flow

Hongting MA , Dandan MA , Na YANG ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 289-296 doi: 10.1007/s11708-009-0019-8

Abstract: The effects of air jet impinging on the mass transfer characteristics from a rotating spinning cylinder

Keywords： air jet impinging     rotating cylinder     critical point     mass transfer characteristics    

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Unified solution of limit loads of thick wall cylinder subject to external pressure considering strain

CHEN Changfu, XIAO Shujun, YANG Yu

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 329-333 doi: 10.1007/s11709-007-0043-x

Abstract: materials, such as concrete or rock, was derived, and the elastic and plastic limit loads of a thick-walled cylinder
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Refined analysis of axi-symmetric circular cylinder in the axial magnetic field without ad hoc assumption

Baosheng ZHAO, Yang GAO, Yingtao ZHAO, Dechen ZHANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 318-323 doi: 10.1007/s11465-011-0232-0

Abstract:

The refined theory for axi-symmetric magnetoelastic circular cylinder is deduced systematically andequation and the Lur’e method, the refined theory yields the solutions for magnetoelastic circular cylinderthe refined theory developed in the present study, solutions are obtained for magnetoelastic circular cylinderFor the circular cylinder with homogeneous boundary conditions, the refined theory provides exact solutionsconditions, the approximate governing equations are accurate up to the high-order terms with respect to cylinder

Keywords： refined analysis     axially symmetric deformation     circular cylinder     Bessel’s function     axial magnetic field    

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Hydraulic fracturing pressure of concentric double-layered cylinder in cohesive soil

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 937-947 doi: 10.1007/s11709-021-0754-4

Abstract: This study aims to investigate hydrofracturing in double-layered soil through theoretical and experimental analysis, as multilayered soils where the difference in mechanical properties exists are generally encountered in practical engineering. First, an analytical solution for fracturing pressure in two different concentric regions of soil was presented based on the cavity expansion theory. Then, several triaxial hydraulic fracturing tests were carried out to validate the analytical solution. The comparison between the experimental and analytical results indicates the remarkable accuracy of the derived formula, and the following conclusions were also obtained. First, there is a linear relationship between the fracturing pressure and confining pressure in concentric double-layered cohesive soil. Second, when the internal-layer soil is softer than the external-layer soil, the presence of internal soil on the fracturing pressure approximately brings the weakening effect, and the greater strength distinction between the two layers, the greater the weakening effect. Third, when the internal-layer soil is harder than the external-layer soil, the existence of the internal-layer soil has a strengthening effect on the fracturing pressure regardless of the proportion of internal-layer soil. Moreover, the influence of strength distinction between the two layers on the fracturing pressure is significant when the proportion of internal-layer soil is less than half, while it’s limited when the proportion is more than half. The proposed solution is potentially useful for geotechnical problems involving aspects of cohesive soil layering in a composite formation.

Keywords： hydraulic fracturing pressure     layered     cavity expansion theory     triaxial fracturing test     cohesive soil    

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Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 392-401 doi: 10.1007/s11708-009-0066-1

Abstract: Combustion chamber components (cylinder head-cylinder liner-piston assembly-oil film) were treated asof the heat transfer of the coupled body, a coupled three-dimensional calculation model for the in-cylinderdecomposition and boundary coupling method, which adopts the coupled three-dimensional simulation of in-cylinderof the influence of space non-uniformity in heat transfer among combustion chamber components on in-cylinder

Keywords： heat transfer     space non-uniformity     soot emission     in-cylinder     diesel    

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Combustion and emissions of RP-3 jet fuel and diesel fuel in a single-cylinder diesel engine

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 664-677 doi: 10.1007/s11708-021-0787-3

Abstract: emission behaviors of RP-3 jet fuel were studied and compared to commercial diesel fuel in a single-cylinder

Keywords： RP-3 jet fuel     diesel     engine     combustion     emissions    

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Research on control strategy of real-time testing system for hydraulic cylinder

Gong Jin,Tan Qing,Zhao Yuming,Heng Baoli

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 71-76

Abstract:

Aiming at the disadvantage of traditional hydraulic cylinder testing,a new control-strategy to checkout property of tested cylinder was proposed.new strategy succeeded to modularize the tested property and organically combine tested properties of cylindertogether during hydraulic cylinder moving.The test results indicated that the real-time testing system made hydraulic cylinder properties be inspected

Keywords： hydraulic cylinder     real-time testing     modularization     control strategy    

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Impact of oxygen enriched combustion on the performance of a single cylinder diesel engine

K. RAJKUMAR, P. GOVINDARAJAN

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 398-403 doi: 10.1007/s11708-011-0157-7

Abstract: In the present experiment, a computerized single cylinder diesel engine with a data acquisition systemis to address, in a systematic way, the key technical issues associated with applying OECT to single cylinder

Keywords： oxygen enriched combustion     exhaust gas temperature     brake power (BP)     specific fuel consumption (SFC)    

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Imaging studies of in-cylinder HCCI combustion

Pawel LUSZCZ, Hongming XU, Mirek WYZSNSKI, Xiao MA, Rob STEVENS, Athanasios TSOLAKIS

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 313-321 doi: 10.1007/s11708-011-0154-x

Abstract: An optically accessed, single cylinder engine operated in homogenous charge compression ignition (HCCIsimultaneous combustion event crank-angle resolved images, acquired through piston crown window with in-cylinder

Keywords： high speed imaging     combustion     homogenous charge compression ignition (HCCI)     reaction spreading velocity    

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The Parameter Analysis of the Process in Cylinder for Light Oil-based Fuel in Gasoline Engine

Sun Lingling

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 78-83

Abstract: To check its quality, a series of tests on process parameter in cylinder are done.light oil-based fuel is close to that with gasoline and the standard errors of process parameter in cylinder

Keywords： light oil     gasoline engine     process parameter in cylinder     antiknock property    

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Integrated virtual-design methods for forecasting radiated noise of single cylinder diesel block

GUO Lei, HAO Zhiyong, XU Hongmei, LIU Lianyun

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 416-421 doi: 10.1007/s11708-008-0097-z

Abstract: The two cycle dynamical results, such as the bearing load, the piston thrust, and the load spatial distribution etc., were obtained by hybrid dynamical simulation of the flexible assembly of the block and crank-train. The finite element model of the block was validated by modal test. The frequency response of the block was calculated using the finite element method (FEM). Finally, the radiated noise such as sound power level and efficiency in the out sound field were obtained using the direct boundary element method (BEM).

Keywords： bearing     dynamical     frequency response     dynamical simulation     hybrid dynamical    

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Study on the Oscillation of a Uniform Cylinder in Front of Two Vertical Walls Intersecting Normally

Ning Dezhi,Teng Bin

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 84-91

Abstract:

Based on the image theory, the oscillation of a cylinder in front of two vertical walls intersectingNumerical experiment has been performed in order to examine the influence of the distances between the cylinderand the walls and water depth on the added mass and radiation damping of the cylinder.The calculation shows that the added mass and radiation damping of the cylinder in front of the two verticalwave number, and the oscillating frequency increases with the increase of the distances between the cylinder

Keywords： added mass     radiation damping     image theory     vertical wall     cylinder    

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Combustion characteristics of SI engine fueled with methanol-gasoline blends during cold start

SONG Ruizhi, LIU Shenghua, LIANG Xiaoqiang, Tiegang H U

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 395-400 doi: 10.1007/s11708-008-0081-7

Abstract: A 3-cylinder port fuel injection (PFI) engine fueled with methanol-gasoline blends was used to studyCylinder pressure analysis indicates that engine combustion is improved when methanol is added to gasoline

Keywords： combustion     3-cylinder     indicated     Cylinder pressure     emission    

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Title Author Date Type Operation

A pneumatic cylinder driving polyhedron mobile mechanism

Wan DING, Sung-Chan KIM, Yan-An YAO

Journal Article

Enhancing fatigue life of cylinder-crown integrated structure by optimizing dimension

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Journal Article

Convective mass transfer from a horizontal rotating cylinder in a slot air jet flow

Hongting MA , Dandan MA , Na YANG ,

Journal Article

Unified solution of limit loads of thick wall cylinder subject to external pressure considering strain

CHEN Changfu, XIAO Shujun, YANG Yu

Journal Article

Refined analysis of axi-symmetric circular cylinder in the axial magnetic field without ad hoc assumption

Baosheng ZHAO, Yang GAO, Yingtao ZHAO, Dechen ZHANG

Journal Article

Hydraulic fracturing pressure of concentric double-layered cylinder in cohesive soil

Journal Article

Effect of heat transfer space non-uniformity of combustion chamber components on in-cylinder heat transfer

Jizu LV, Minli BAI, Long ZHOU, Jian ZHOU,

Journal Article

Combustion and emissions of RP-3 jet fuel and diesel fuel in a single-cylinder diesel engine

Journal Article

Research on control strategy of real-time testing system for hydraulic cylinder

Gong Jin,Tan Qing,Zhao Yuming,Heng Baoli

Journal Article

Impact of oxygen enriched combustion on the performance of a single cylinder diesel engine

K. RAJKUMAR, P. GOVINDARAJAN

Journal Article

Imaging studies of in-cylinder HCCI combustion

Pawel LUSZCZ, Hongming XU, Mirek WYZSNSKI, Xiao MA, Rob STEVENS, Athanasios TSOLAKIS

Journal Article

The Parameter Analysis of the Process in Cylinder for Light Oil-based Fuel in Gasoline Engine

Sun Lingling

Journal Article

Integrated virtual-design methods for forecasting radiated noise of single cylinder diesel block

GUO Lei, HAO Zhiyong, XU Hongmei, LIU Lianyun

Journal Article

Study on the Oscillation of a Uniform Cylinder in Front of Two Vertical Walls Intersecting Normally

Ning Dezhi,Teng Bin

Journal Article

Combustion characteristics of SI engine fueled with methanol-gasoline blends during cold start

SONG Ruizhi, LIU Shenghua, LIANG Xiaoqiang, Tiegang H U

Journal Article