International Journal of Mechanical Engineering and Applications

Archive

Volume 3, Issue 1, January 2015

  • Vane Geometry Effect on Lubrication Conditions between Vane Tip and Cam-Ring in Hydraulic Vane Machines

    Mohamed Elashmawy, Abdulaziz Alghamdi

    Issue: Volume 3, Issue 1-2, January 2015
    Pages: 1-10
    Received: 15 November 2014
    Accepted: 19 November 2014
    Published: 24 November 2014
    DOI: 10.11648/j.ijmea.s.2015030102.11
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    This article belongs to the Special Issue Advanced Fluid Power Sciences and Technology
    Abstract: Vane geometry is an important parameter affecting the lubrication conditions of hydraulic vane machines. A simple thermo-elasto-hydrodynamic lubrication (TEHL) model was used to calculate the friction between vane tip and cam-ring of the hydraulic vane machines. Effect of vane geometry and its dimensions on hydraulic vane machines was theoretically... Show More
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  • Developed Design for Line Bleeding Injection Pump: Double-Act LBIP

    Mohamed Elashmawy, Mohammad Alnais

    Issue: Volume 3, Issue 1-2, January 2015
    Pages: 11-16
    Received: 25 October 2014
    Accepted: 30 October 2014
    Published: 25 November 2014
    DOI: 10.11648/j.ijmea.s.2015030102.12
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    This article belongs to the Special Issue Advanced Fluid Power Sciences and Technology
    Abstract: Injection process is essential for many industrial applications especially in water desalination and water treatment market. The new concept of injection, line bleeding injection pump (LBIP) [8], opens a door for injection processes of simpler and effective injection facilities with relatively low cost and less maintenance requirements. The concept... Show More
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  • Design of Swashplate Axial Piston Machines Having Low Piston Transverse Forces

    Mohamed Elashmawy

    Issue: Volume 3, Issue 1-2, January 2015
    Pages: 17-23
    Received: 22 November 2014
    Accepted: 25 November 2014
    Published: 27 December 2014
    DOI: 10.11648/j.ijmea.s.2015030102.13
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    This article belongs to the Special Issue Advanced Fluid Power Sciences and Technology
    Abstract: Axial piston machine of swashplate type is the common design widely used for many hydraulic applications because of its simplicity, compact design and low cost. However, this simplicity has a negative effect for piston transverse forces which limits machine performance. The main target of this study is to investigate a feasible design of a fixed di... Show More
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  • Computer Aided Design of Axial Piston Machines Having a Roller Piston Bearing

    Mohamed Elashmawy, Abdulaziz Alghonamy, Isam Elbadawi

    Issue: Volume 3, Issue 1-2, January 2015
    Pages: 24-29
    Received: 24 November 2014
    Accepted: 26 November 2014
    Published: 27 December 2014
    DOI: 10.11648/j.ijmea.s.2015030102.14
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    This article belongs to the Special Issue Advanced Fluid Power Sciences and Technology
    Abstract: Swashplate axial piston machines are simple, compact and low price. This simplicity is at the expense of piston transverse forces which limits machine characteristics. The aim of this study is to propose more effective developed design using roller piston bearing. Ball bearing was proposed to reduce transverse forces acting on the piston end of the... Show More
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