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Experimental investigations on melting of lead in a cuboid with constant heat flux boundary condition at two vertical walls using infra-red thermography

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Title Experimental investigations on melting of lead in a cuboid with constant heat flux boundary condition at two vertical walls using infra-red thermography
 
Creator KUMAR, L
MANJUNATH, BS
PATEL, RJ
PRABHU, SV
 
Subject Melting
Lead
Infra-red thermography
Constant heat flux
Solid-liquid interface
Stefan number
PURE METAL
SOLIDIFICATION
 
Description Shielding material (lead) in transportation packages melts during regulatory thermal tests. An experimental investigation is carried out to study the melting of lead contained in a scaled stainless steel cuboid. The size of cuboid is 50 mm x 50 mm x 60 mm. Two side vertical walls are maintained at a constant heat flux boundary condition. Top and bottom walls are thermally insulated. Visualisation of solid liquid interface movement during melting of lead is carried out using infra red thermography. Infra red thermography is an easily available and non-intrusive method for the characterization of melt front during melting of opaque materials. This method demonstrates dynamic capture of the progress of solid-liquid interface under the effects of natural convection without contact, continuously and directly. Numerical study is also conducted for simulating the melting phenomenon. Results are compared with one wall heating and selection of proper characteristics length is suggested. (C) 2013 Elsevier Ltd. All rights reserved.
 
Publisher PERGAMON-ELSEVIER SCIENCE LTD
 
Date 2014-12-28T17:47:28Z
2014-12-28T17:47:28Z
2014
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 68132-140
0017-9310
1879-2189
http://dx.doi.org/10.1016/j.ijheatmasstransfer.2013.09.023
http://dspace.library.iitb.ac.in/jspui/handle/100/17027
 
Language English