Lect - 5 Examples Steady conduction in slabs, cylinders and spheres_ Critical thickness of insulation with solution(1).pptx

Dr. Senthilmurugan Senthilmurugan S. Department of Chemical Engineering IIT Guwahati - Part 5

Examples Steady conduction in slabs, cylinders and spheres; Critical thickness of insulation

!ultilayer Conduction Example 2%1 4) ) olman 

 "n exterior #all of of a house may be approximated approximated by a $%in layer of common brick &k ' ()* +/m +/ m -C. follo#ed by a 1)5% in layer of ypsum plaster &k '()$0 +/m -C.) +hat thickness of loosely packed rock%#ool insulation &k '()(65 +/m -C. should be added to reduce the heat loss or ain throuh the #all by 0( percent3

Solution8 Example 2)1 9ata 8 : brick ' ()* +/m o C , : ' ()$0 +/m o C  :