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in shell and tube type of condenser, the flue gas mixture of acetaldehyde,oxygen and nitrogen at 17391.17Kg/hr enters to the condenser at 75 degree celcius and leaves at 20 degree celcius,while the cooling water enters at 17 degree celcius and leaves at 37 degree celcius.calculate the mass flow rate of the cooling water?

  • science -

    Heat in cooling water= heat flow rate
    masswater/time*specheatwater*(tf-ti)= massN2/time*specheatN2*(Ti-tf)

    masswater/time= 17391.17*cN2(75-20)/(cH2o*(37-17)

    cN2=1.041 kJ/kgK

    cH2O=4.186 kJ/kgK

    this will give you mass flow rate in kg/hr

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