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    STUDIA CHEMIA - Issue no. 1-2 / 2001  
         
  Article:   THE INCREASE OF THERMAL EFFICIENCY FOR THE HEATING FURNACE.

Authors:  IOAN LAZĂR, CĂLIN I. ANGHEL. 		 
       
         
  Abstract:  The purpose of this paper was to evaluate the general thermal efficiency for a heating furnace of phosphatic porcelain, materialized in two different structures. One is the classical structure of these furnaces and the second represent a modified type-obtained by plating the inner side with ceramic fibers. The analyze is based on the finite element method (FEM) for the unstable heat transfer stage, supported by a COSMOS/M Geostar professional software package. The analyses reveal a major isolating effect of ceramic fibers and a real increasing of thermal efficiency up to 30% compared to the classic type of furnace.  
         
     
         
         
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