Thermal Analysis of Solids at High Peclet Numbers Subjected to Moving Heat Sources-Reference-Cited by-同舟云学术

Thermal Analysis of Solids at High Peclet Numbers Subjected to Moving Heat Sources

Published:1999-02-01 Issue:1 Volume:121 Page:182-186
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Manca O.¹,Morrone B.¹,Nardini S.²

Affiliation:

1. Dipartimento di Ingegneria Aerospaziale, Seconda Universita di Napoll, Via Roma, 29, 81031 Aversa (CE), Italy

2. Dipartimento di Energetica, Termofluidodinamica Applicata e Condizionamenti Ambientali, Universita` degli Studi Federico II, Piazzale Tecchio, 80, 80125 Napoli, Italy

Abstract

A three-dimensional heat transfer model has been developed to obtain the conductive thermal field inside a brick-type solid under a moving heat source with different beam profiles. The problem in quasi-steady state has been approximated by neglecting the axial diffusion component; thus, for Peclet numbers greater than 5, the elliptic differential equation becomes a parabolic one along the motion direction. The dependence of the solution on the radiative and convective heat losses has been highlighted. Thermal fields are strongly dependent on different spot shapes and on the impinging jet; this situation allows control of the parameters involved in the technological process.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/121/1/182/5911964/182_1.pdf

Reference18 articles.

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2. De Almeida S. M. , and HindsB. K., 1983, “Finite-Difference Solution to the Problem of Temperature Distribution under a Moving Heat Source, Using the Concept of a Quasi-Steady State,” Numerical Heat Transfer, Vol. 6, pp. 17–27.

3. Goldstein R. J. , BehbahaniA. I., and HeppelmannK. K., 1986, “Streamwise Distribution of the Recovery Factor and the Local Heat Transfer Coefficient to an Impinging Circular Air Jet Flow,” International Journal of Heat and Mass Transfer, Vol. 29, No. 7, pp. 1227–1235.

4. Huang L. , and El-GenkM. S., 1994, “Heat transfer of an Impinging Jet on a Flat Surface,” International Journal of Heat and Mass Transfer, Vol. 27, No. 13, pp. 1915–1923.

5. Jaluria Y. , and SinghA. P., 1983, “Temperature Distribution in a Moving Material Subjected to Surface Energy Transfer,” Computational Methods in Applied Mechanics and Engineering, Vol. 41, pp. 145–157.

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