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ECN publication
Improved efficiency drying using selective emittance radiant burners
Published by: Publication date:
ECN 1996
ECN report number: Document type:
ECN-RX--96-042 Other
Number of pages: Full text:
16 Download PDF  

Radiant surface burners have been used to enhance heat transfer bychanging the burner radiance spectrum in order to better match with the absorption spectrum of a load. It appeared, both theoretically and experimentally, that for loads like paper, only small improvements (less than 10%) are possible. For practical applications this probably reduces to only a few percent. Flue gas radiation turned out to have a large effect on radiant heat transfer. 11 figs., 9 refs.

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