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  • Users: fmortini
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  1. fmortini

    Emissivity of flame

    Hi! I need to study a radiative heat exchange inside a boiler. The combustible is wood dust, with this compostition: C=49% H=7% O=44% LHV=16700 kJ/kg This combustible produces a luminous flame. How can I find the total emissivity of the flame, considering luminous and non-luminous effect? Is...
  2. fmortini

    radiant and convective superheater

    Hi. I need to design a radiant and convective superheater. I know inlet and outlet temperature of the steam, mass flow rate of the steam and the mean temperature and the emissivity of the gas. How can I determine the wall temperature of the tubes? And the heat transfer coefficients (steam side...

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