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Homework Help: Steam requirement calculation

  1. Sep 16, 2011 #1
    1. The problem statement, all variables and given/known data
    i need to calculate steam required to remove moisture content from the paper .
    low pressure steam: 2.7kg/cm2
    i have calculated total water to be evaporated : 3500kg/hr
    machine speed is 335 mt/min
    gsm of paper:64gsm
    deckle width;310 cm

    2. Relevant equations
    Q is the total heat required to evaporate water
    M= mass flow rate of steam
    L=latent heat of vaporization

    3. The attempt at a solution

    see i have calculated total water to be evaporated based on moisture content . but not getting how to calculate heat required since 1 kg of water required 2257kj/kg to convert it into steam .
    i m very confused what to do . . .
  2. jcsd
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