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Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 373-380 doi: 10.1007/s11708-009-0078-x

Abstract: In this paper, the natural convection in a square enclosure with a rectangular heated cylinder is investigatedA detailed study is conducted on the effect of the cylinder width and the Rayleigh number on the fluid

Keywords： natural convection     buoyant regime     heated cylinder     lattice Boltzmann    

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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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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: in order to acquire scientific energy analysis of the unit, thermodynamic analysis of a single-phase heated

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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A numerical study of helium-heated inorganic membrane reformer coupling to HTGR

YIN Huaqiang, JIANG Shengyao, JU Huaiming, ZHANG Youjie

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 446-450 doi: 10.1007/s11708-007-0065-3

Abstract: one-dimensional quasi-homogeneous model, a steady-state model and its computer program were developed for helium-heated

Keywords： temperature gas-cooled     one-dimensional quasi-homogeneous     steady-state     helium-heated    

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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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Antifungal and antibacterial functions of medicinal leech recombinant destabilase-lysozyme and its heated-up

T. G. YUDINA, Danyang GUO, N. F. PISKUNKOVA, I. B. PAVLOVA, L. L. ZAVALOVA, I. P. BASKOVA

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 203-209 doi: 10.1007/s11705-012-1277-2

Abstract: Furthermore we showed for the first time that the heated-up derivative of rec.Dest-Lys exhibited more

Keywords： recombinant destabilase-lysozyme (rec.Dest-Lys)     antimicrobial activity     antifungal activity     medicinal leech     heated-up    

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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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Ignition of Diesel by Heated Surface

Li Yuanlong,Lu Shouxiang,Fan Weicheng

Strategic Study of CAE 2004, Volume 6, Issue 11,   Pages 63-65

Abstract:

The ignition of leaked fuel of the diesel engine is studied experimentally. The critical ignition temperature is calculated statistically. The difference between the ignition temperature and auto - ignition temperature of diesel is much less than that of other fuels. The ignition mode is also much different from its counterpart. The paper describes the detailed boiling mode of the leaked fuel on a hot surface. The equation to get the mass flux of the fuel vapor is given.

Keywords： hot surface     ignition test     boiling    

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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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Title Author Date Type Operation

Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Journal Article

A pneumatic cylinder driving polyhedron mobile mechanism

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

Journal Article

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

A numerical study of helium-heated inorganic membrane reformer coupling to HTGR

YIN Huaqiang, JIANG Shengyao, JU Huaiming, ZHANG Youjie

Journal Article

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

Weiwei ZHANG,Xiaosong WANG,Zhongren WANG,Shijian YUAN

Journal Article

Antifungal and antibacterial functions of medicinal leech recombinant destabilase-lysozyme and its heated-up

T. G. YUDINA, Danyang GUO, N. F. PISKUNKOVA, I. B. PAVLOVA, L. L. ZAVALOVA, I. P. BASKOVA

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

Ignition of Diesel by Heated Surface

Li Yuanlong,Lu Shouxiang,Fan Weicheng

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