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3 publications

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    Corrosion Resistance of HVOF and Plasma Sprayed Ni-Cr/WC-Co Coatings

    By P Selvakumar, Mohamed Ismail M., Sathiyaseelan P., Praveen S A

    Abstract: In this work, Ni-Cr/WC-Co composite coating with an approximate thickness of appr. 100 µm was produced by atmospheric plasma and HVOF thermal spraying on SS 304 substrate. The main objective was to characterize the Ni-Cr/WC-Co coating. The microstructure and composition of powder and coatings were studied by Scanning Electron Microscopy (SEM), Optical Microscope and X-ray diffraction (XRD). The coating characteristics such as porosity, and micro-hardness were evaluated. Finally the corrosion …

    Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 1, Issue 2, 2014 · pp. 51–57 Read article

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    Experimental Study on Heat Transfer Enhancement in a Mini Channel Heat Sink Using Al2O3/Water Nanofluid

    By P Selvakumar, Heric J. S., Jeya Praksh D., Giridharan R, Ashok A, Syed Ahamed S

    Abstract: In this present work, experimental investigation of heat transfer enhancement using Al2O3/water nano fluid in a mini channel heat sink is carried out. Efforts have been undertaken to explore the forced convective heat transfer performance of Al2O3/water nanofluid having 0.1% volume fraction of Al2O3 as the coolant in a copper mini channel heat sink. The mini channel heat sink fabricated consists of 15 parallel rectangular mini-channels of length 50mm with …

    Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 2, 2014 · pp. 29–38 Read article

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    Experimental Investigation of Heat Transfer Enhancement Using Cross Inserts Having Different Pitch Rectangular Cuts

    By P Selvakumar, Jeya Prakash D., Ponramsiva R, Ramesh R

    Abstract: This work presents experimental investigation of heat transfer enhancement using strip insert with cross configuration having rectangular cut. The heat transfer enhancement study in a circular copper tube of 10 mm internal diameter is carried out using three different inserts. The three inserts are of cross configuration with rectangular cuts of different pitches. The heat transfer enhancement in hydro-dynamically developed and thermally developing fluid region is studied. It is found …

    Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 2, 2014 · pp. 1–6 Read article

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