Numerical Simulation of Temperature Distribution in Laser Welding of AISI 316

2019 ◽  
pp. 237-246
Author(s):  
Pramod Kumar ◽  
Amar Nath Sinha
Keyword(s):  
Numerical Simulation ◽  
Temperature Distribution ◽  
Laser Welding ◽  
Aisi 316

Studies on Numerical Simulation of Temperature Distribution in Laser Beam Welding of 304L Austenitic Stainless Steel

2019 ◽  
Vol 9 (1) ◽  
pp. 30-49
Author(s):  
Pramod Kumar ◽  
Amar Nath Sinha
Keyword(s):  
Numerical Simulation ◽  
Stainless Steel ◽  
Temperature Distribution ◽  
Austenitic Stainless Steel ◽  
Laser Welding ◽  
Research Work ◽  
Welding Process ◽  
Experimental Results ◽  
Bead Geometry ◽  
Good Agreement

A numerical simulation of temperature distribution in laser welding of 304L austenitic stainless steel have been investigated in the present research work. A three-dimensional Gaussian conical moving heat source has been implemented in the present numerical simulation using ANSYS software package. Temperature-dependent thermal physical properties of 304L austenitic stainless steel have been considered, which affects the temperature profile in the weldment. The effect of laser welding process parameters, namely, average beam power, welding speed, and laser spot diameter on weld bead geometry have been studied. The temperature distribution obtained from the numerical results at different positions away from the weld line were found to be in good agreement with the experimental results. The shape of the weld pool profile obtained through numerical simulation are in good agreement with the experimental results. Mechanical properties of the welded joint have also been studied. The ultimate tensile strength of the laser welded sample was equal to the base metal 304L austenitic stainless steel.

Numerical simulation and designing artificial neural network for estimating melt pool geometry and temperature distribution in laser welding of Ti6Al4V alloy

Optik ◽  
2016 ◽  
Vol 127 (23) ◽  
pp. 11161-11172 ◽  
Author(s):  
Mohammad Akbari ◽  
Seyfolah Saedodin ◽  
Afshin Panjehpour ◽  
Mohsen Hassani ◽  
Masoud Afrand ◽  
...  
Keyword(s):  
Neural Network ◽  
Numerical Simulation ◽  
Artificial Neural Network ◽  
Temperature Distribution ◽  
Laser Welding ◽  
Ti6al4v Alloy ◽  
Melt Pool ◽  
Artificial Neural

Numerical Simulation of Temperature Distribution and Cooling Rate in Ship Profiles during Water Spray Cooling

1998 ◽  
Vol 284-286 ◽  
pp. 385-392 ◽  
Author(s):  
V. Olden ◽  
C. Thaulow ◽  
H. Hjerpetjønn ◽  
K. Sørli ◽  
V. Osen
Keyword(s):  
Numerical Simulation ◽  
Temperature Distribution ◽  
Cooling Rate ◽  
Spray Cooling ◽  
Water Spray ◽  
Water Spray Cooling

Experimental and Numerical Evaluation of Small-Scale Cryosurgery Using Ultrafine Cryoprobe

2013 ◽  
Vol 4 (4) ◽  
Author(s):  
Junnosuke Okajima ◽  
Atsuki Komiya ◽  
Shigenao Maruyama
Keyword(s):  
Heat Transfer ◽  
Numerical Simulation ◽  
Heat Transfer Coefficient ◽  
Temperature Distribution ◽  
Surface Temperature ◽  
Numerical Evaluation ◽  
Small Scale ◽  
Outer Diameter ◽  
Cooling Performance ◽  
The Heat Transfer Coefficient

The objective of this work is to experimentally and numerically evaluate small-scale cryosurgery using an ultrafine cryoprobe. The outer diameter (OD) of the cryoprobe was 550 μm. The cooling performance of the cryoprobe was tested with a freezing experiment using hydrogel at 37 °C. As a result of 1 min of cooling, the surface temperature of the cryoprobe reached −35 °C and the radius of the frozen region was 2 mm. To evaluate the temperature distribution, a numerical simulation was conducted. The temperature distribution in the frozen region and the heat transfer coefficient was discussed.

scholarly journals MATHEMATICAL MODELLING AND COMPUTER SIMULATION OF TEMPERATURE DISTRIBUTION IN INHOMOGENEOUS COMPOSITE SYSTEMS WITH IMPERFECT INTERFACE

2014 ◽  
Vol 6 (2) ◽  
pp. 77-85
Author(s):  
Pratibha Joshi ◽  
Manoj Kumar
Keyword(s):  
Numerical Simulation ◽  
Heat Flux ◽  
Temperature Distribution ◽  
Imperfect Interface ◽  
Immersed Interface Method ◽  
Immersed Interface ◽  
Composite Systems ◽  
Steady State Temperature ◽  
Perfect Interface ◽  
Inhomogeneous Composite

Many studies have been done previously on temperature distribution in inhomogeneous composite systems with perfect interface, having no discontinuities along it. In this paper we have determined steady state temperature distribution in two inhomogeneous composite systems with imperfect interface, having discontinuities in temperature and heat flux using decomposed immersed interface method and performed the numerical simulation on MATLAB.

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