Estimation of temperature distribution on submerged arc welded plates through conical heat distribution technique

2011 ◽  
Vol 4 (4) ◽  
pp. 281
Author(s):  
Aniruddha Ghosh ◽  
Somnath Chattopadhyaya
Keyword(s):  
Temperature Distribution ◽  
Heat Distribution ◽  
Submerged Arc

A Simplified Numerical Approach for Finding the Temperature Distribution in Submerged arc Welding Process

2012 ◽  
Vol 622-623 ◽  
pp. 315-318
Author(s):  
Aparesh Datta ◽  
Subodh Debbarma ◽  
Subhash Chandra Saha
Keyword(s):  
Temperature Distribution ◽  
Heat Source ◽  
Arc Welding ◽  
Welding Process ◽  
Numerical Approach ◽  
High Heat ◽  
Submerged Arc Welding ◽  
Fusion Welding ◽  
Arc Welding Process ◽  
Submerged Arc

The quality of joining has assumed a greater role in fabrication of metal in recent years, because of the development of new alloys with tremendously increased strength and toughness. Submerged arc welding is a high heat input fusion welding process in which weld is produced by moving localized heat source along the joint. The weld quality in turn affected by thermal cycle that the weldment experiences during the welding. In the present study a simple comprehensive mathematical model has been developed using a moving heat source and analyzing the temperature on one section and then the temperature distribution of other section are correlated with time delay with reference analyzed section.

Temperaturverteilung beim Wälzschälen/Temperature distribution during power skiving

2021 ◽  
Vol 111 (11-12) ◽  
pp. 786-791
Author(s):  
Florian Sauer ◽  
Michael Gerstenmeyer ◽  
Volker Schulze
Keyword(s):  
Temperature Distribution ◽  
Wear Mechanisms ◽  
Experimental Temperature ◽  
Heat Distribution ◽  
Temperature Analysis ◽  
Power Skiving ◽  
Underlying Mechanisms

Innenverzahnungen, die aufgrund der Elektromobilität zunehmend im Fokus stehen, lassen sich mithilfe des Wälzschälens produktiv herstellen. Um diese Produktivität weiter zu steigern, müssen die wirkenden Verschleißmechanismen untersucht und verstanden werden. Der Beitrag behandelt die experimentelle Temperaturuntersuchung des Wälzschälens mit anschließender Modellierung der Wärmeverteilung, welche als erster Schritt zum Mechanismenverständnis angesehen werden kann.   Internal gears, which are increasingly in focus due to electromobility, can be manufactured productively with the help of power skiving. In order to further increase the productivity, the wear mechanisms have to be investigated and understood. This paper discusses the experimental temperature analysis of power skiving by subsequently modelling the heat distribution. This process can be seen as a first step towards understanding the underlying mechanisms.

Prediction of Temperature Distribution on Submerged Arc Welded Plates through Gaussian Heat Distribution Technique

2011 ◽  
Vol 284-286 ◽  
pp. 2477-2480 ◽  
Author(s):  
Aniruddha Ghosh ◽  
Somnath Chattopadhyaya
Keyword(s):  
Temperature Distribution ◽  
Arc Welding ◽  
Infinite Plate ◽  
Welding Process ◽  
Submerged Arc Welding ◽  
High Deposition Rate ◽  
Microstructure Modeling ◽  
Arc Welding Process ◽  
Submerged Arc ◽  
Good Agreement

Submerged Arc Welding process (SAW) is a high quality, very high deposition rate welding process. It has lot of social and economical implecations.This paper makes an attempt to uncover an important area on studies of temperature distribution during submerged arc welding because this may pave the way for application of microstructure modeling, thermal stress analysis, residual stress/distribution and welding process simulation. Prediction of temperature variation of entire plates during welding through an analytical solution is derived from the transient multi dimensional heat conduction of semi infinite plate. The heat input that is applied on the plate is exactly same amount of heat lost for electric arc, which is assumed to be a moving double conical heat source with Gaussian distribution for Submerged Arc Welding process. Good agreement between predicted and experimental results has been achieved.

scholarly journals The Effects of Absorbing Materials on the Homogeneity of Composite Heating by Microwave Radiation

Materials ◽  
2021 ◽  
Vol 14 (23) ◽  
pp. 7362
Author(s):  
Betime Nuhiji ◽  
Matthew P. Bower ◽  
William A. E. Proud ◽  
Steven J. Burpo ◽  
Richard J. Day ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Temperature Distribution ◽  
Electromagnetic Radiation ◽  
Heat Distribution ◽  
Temperature Uniformity ◽  
Geometric Complexity ◽  
Uniform Temperature ◽  
Better Regulation ◽  
Absorbing Materials ◽  
Complexity Increase

When cured in a microwave, flat thin composite panels can experience even heat distribution throughout the laminate. However, as load and geometric complexity increase, the electromagnetic field and resulting heat distribution is altered, making it difficult to cure the composite homogeneously. Materials that absorb and/or reflect incident electromagnetic radiation have the potential to influence how the field behaves, and therefore to tailor and improve the uniformity of heat distribution. In this study, an absorber was applied to a composite with non-uniform geometry to increase heating in the location which had previously been the coldest position, transforming it into the hottest. Although this result overshot the desired outcome of temperature uniformity, it shows the potential of absorbing materials to radically change the temperature distribution, demonstrating that with better regulation of the absorbing effect, a uniform temperature distribution is possible even in non-uniform composite geometries.

scholarly journals Thermal Conduction Theoretical Analysis of Temperature Distribution during Multiple-Electrode Submerged Arc Welding

2010 ◽  
Vol 28 (1) ◽  
pp. 158-166 ◽  
Author(s):  
Nobuhisa OCHI ◽  
Shigetaka OKANO ◽  
Masahito MOCHIZUKI ◽  
Junji SHIMAMURA ◽  
Nobuyuki ISHIKAWA
Keyword(s):  
Temperature Distribution ◽  
Theoretical Analysis ◽  
Arc Welding ◽  
Thermal Conduction ◽  
Submerged Arc Welding ◽  
Submerged Arc ◽  
Multiple Electrode

Investigation of the Effect of Different Materials on Uniform Heat Distribution Over a Solar Collector Pipe

2020 ◽  
Vol 17 (5) ◽  
pp. 2021-2023
Author(s):  
V. Sriram ◽  
B. Kanimozhi
Keyword(s):  
Temperature Distribution ◽  
Power Plant ◽  
Solar Collector ◽  
Nuclear Power ◽  
Turbine Blades ◽  
Heat Distribution ◽  
Uniform Temperature ◽  
Uniform Heat ◽  
Solar Radiation Incident ◽  
Copper Aluminum

Collector pipe used in solar power plant is a device for converting water from ambient temperature to the raised temperature which in turn used to rotate turbine blades. The raise in temperature is not that much when compared to thermal or nuclear power plant, so researches are going on for improving the heat carrying capacity of collector pipes. The productivity in pipe directly depends on the factors such as solar radiation incident on it, temperature distribution over the pipe, surrounding temperature, material of the pipeline used, and thickness of the pipe. When comparing to all of such parameters, the temperature distribution over the pipe is the main parameter which determines the performance of the collector pipe. For a particular type of solar collector pipe, the temperature distribution is function of length with day variation of solar incidence over it. In this work a collector pipe of length 2.2 m and 7 cm diameter is fabricated and tested under standard laboratory conditions for the uniform heat dissemination over the pipe. For keeping up the uniform temperature over the collector pipe, it is necessary to wound the pipe with metals like copper, aluminum. The results show that the heat distribution over the pipe is increased in case of copper when compared with aluminium.

scholarly journals Wavelength Width Dependence of Cavity Temperature Distribution in Semiconductor Diode Laser

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
S. P. Abbasi ◽  
A. Alimorady
Keyword(s):  
Temperature Distribution ◽  
Laser Diode ◽  
Cavity Length ◽  
Semiconductor Diode ◽  
Heat Distribution ◽  
Nonuniform Temperature ◽  
Output Wavelength ◽  
Semiconductor Diode Laser ◽  
Experimental Test Result ◽  
Test Result

The study of heat distribution in laser diode shows that there is nonuniform temperature distribution in cavity length of laser diode. In this paper, we investigate the temperature difference in laser diode cavity length and its effect on laser bar output wavelength width that mounted on usual CS model. In this survey at the first, laser was simulated then the simulations result was compared with experimental test result. The result shows that for each emitter there is difference, about 2.5 degree between the beginning and end of cavity.

Prediction of Weld Bead Parameters, Transient Temperature Distribution & HAZ Width of Submerged Arc Welded Structural Steel Plates

2012 ◽  
Vol 326-328 ◽  
pp. 405-409 ◽  
Author(s):  
Aniruddha Ghosh ◽  
Somnath Chattopadhyaya ◽  
N.K. Singh
Keyword(s):  
Heat Transfer ◽  
Temperature Distribution ◽  
Analytical Solution ◽  
Welding Process ◽  
Weld Bead ◽  
Transient Temperature ◽  
Conductive Heat ◽  
Transient Temperature Distribution ◽  
Haz Width ◽  
Submerged Arc

In submerged arc welding process, concept on temperature distribution is essential in order to control HAZ dimensions and get the required bead size and quality. In this paper, an analytical solution for moving heat source with Gaussian distribution of inside volume of central conicoidal shape is derived. Heat transfer in welded plates during welding is assumed to be conductive heat transfer of a semi infinite body. With the help of this analytical solution, transient temperature distribution, HAZ width, weld bead dimensions are estimated. Good agreements between predicted and experimental values are achieved.

scholarly journals Modeling of Thermel Transport for GMAW

2012 ◽  
Vol 2012 ◽  
pp. 1-8
Author(s):  
Aniruddha Ghosh
Keyword(s):  
Temperature Distribution ◽  
Heat Source ◽  
Heat Input ◽  
Arc Welding ◽  
Welding Process ◽  
Submerged Arc Welding ◽  
Bead Geometry ◽  
Infinite Body ◽  
Weld Bead Geometry ◽  
Submerged Arc

Investigation of temperature distribution of submerged arc welded plates is essential while designing submerged arc welding joint because the key parameter for the change of weld bead geometry dimension, thermal stress, residual stress, tensile stress, hardness, and so forth is heat input, and heat input is the function of temperature distribution of GMAW process. An attempt is made in this paper to find out the exact solution of the thermal field induced in a semi-infinite body by a moving heat source with Gaussian distribution by selecting appropriate inside volume for submerged arc welding process. It has been revealed that for GMAW, best suitable heat source shape is a combination of semispherical and semioval.

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