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FRAME AND SPACER EFFECTS ON WINDOW U-VALUE.

Author(s) : CARPENTER S. C., MCGOWAN A. G.

Summary

THE COMPLEX NATURE OF THE HEAT FLOW AND THE WIDE VARIETY OF WI NDOW FRAMES MAKE IT DIFFICULT TO CHARACTERIZE FRAME AND SPACER EFFECTS. THE PAPER PRESENTS THERESULTS OF TWO-DIMENSIONAL FINITE-DIFFERENCE COMPUTER MODELLING OF A VARIETY OF WINDOW FRAMES. THE FRAME MATERIAL HAS THE GREATEST EFFECT ON TOTAL WINDOW U-VALUE. THE U-VALUE FOR ALUMINIUM FRAMES IS 39% HIGHER THAN WOOD FRAMES FOR STANDARD DOUBLE-GLAZED WINDOWS AND UP TO 52% HIGHER FOR HIGH-PERFORMANCE GLAZINGS.

Details

  • Original title: FRAME AND SPACER EFFECTS ON WINDOW U-VALUE.
  • Record ID : 1990-2492
  • Languages: English
  • Publication date: 1989
  • Source: Source: ASHRAE Trans.
    vol. 95; n. 1; 604-608; 7 fig.; 4 tabl.; 7 ref.; discuss.
  • Document available for consultation in the library of the IIR headquarters only.

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