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HEAT TRANSFER THROUGH WINDOWS WITH ROLL CURTAINS OF HIGH SOLAR REFLECTANCE.

[In Japanese. / En japonais.]

Author(s) : SHIOTSUKI Y., HOYANO A., URANO Y.

Type of article: Article

Summary

EXPERIMENTS TO EXAMINE THE SOLAR SHADING ABILITY OF ROLL CURTAINS AND THE EFFECTS OF RADIATION, CONVECTION AND VENTILATION UPON THE AIR FLOW BETWEEN THE WINDOW AND THE CURTAIN. IT WAS FOUND THAT IN THE CENTRAL AREA OF THE WINDOW, AIR TURBULENCE CAUSED BY VENTILATION IS LOW. AT HIGH AIR VELOCITIES (0.7 TO 0.8 M/S) TEMPERATURE STRATIFICATION OF THE AIR IS DISRUPTED, BUT AIR TURBULENCE IS LOW WHEN THE WIDTH OF THE SLITS (BETWEEN THE WINDOW AND THE CURTAIN) IS BT M THE SOLAR HEAT GAIN COEFFICIENT (SHGC) OF VARIOUS SOLAR REFLECTING FILMS, FITTED TO BOTH THE INSIDE AND OUTSIDE OF THE WINDOW, WERE COMPARED. THE SHGC OF THE ROLL CURTAIN WAS FOUND TO BE SMALLER THAN REFLECTIVE FILMS FITTED TO THE INSIDE OF THE WINDOW, BUT THE COEFFICIENT FOR THE CURTAIN CAN BE IMPROVED BY USING A HIGHER REFLECTIVE MATERIAL.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1988-1567
  • Languages: Japanese
  • Source: Transaction of the Society of Heating, Air-conditioning and Sanitary Engineers of Japan - n. 35
  • Publication date: 1987
  • Document available for consultation in the library of the IIR headquarters only.

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