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Information Journal Paper

Title

TEMPERATURE DISTRIBUTION ANALYSIS IN A LASER HEATING WITH DIFFERENT VALUES OF CROSS SECTION AND BEAM INTENSITIES

Pages

  23-34

Abstract

 The rapid melting of a semi-infinite body due to the absorption of a CW laser beam radiation has been studied. The ENTHALPY technique for the solution of phase change problems has been used in an explicit finite difference form to calculate the transient temperature distribution in the semi-infinite body and the growth rate of the MELT POOL. The technique has been modified so that it is not necessary to assign a constant temperature, Tm, to the mesh element that contains the melt front. Instead, a new value of temperature is calculated for the grid point at each time step by incorporating the energy boundary condition at the solid- liquid interface. Calculations have been carried out for laser beam with CIRCULAR and ELLIPTICAL profile and for a range of material translational speeds. The numerical results were compared with the experimental data. Increasing the translational speed causes the heat affected zone and the size and shape of MELT POOL to become smaller.

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  • Cite

    APA: Copy

    AKBARI, MOHAMMAD. (2008). TEMPERATURE DISTRIBUTION ANALYSIS IN A LASER HEATING WITH DIFFERENT VALUES OF CROSS SECTION AND BEAM INTENSITIES. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 1(2 (2)), 23-34. SID. https://sid.ir/paper/172301/en

    Vancouver: Copy

    AKBARI MOHAMMAD. TEMPERATURE DISTRIBUTION ANALYSIS IN A LASER HEATING WITH DIFFERENT VALUES OF CROSS SECTION AND BEAM INTENSITIES. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2008;1(2 (2)):23-34. Available from: https://sid.ir/paper/172301/en

    IEEE: Copy

    MOHAMMAD AKBARI, “TEMPERATURE DISTRIBUTION ANALYSIS IN A LASER HEATING WITH DIFFERENT VALUES OF CROSS SECTION AND BEAM INTENSITIES,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 1, no. 2 (2), pp. 23–34, 2008, [Online]. Available: https://sid.ir/paper/172301/en

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