화학공학소재연구정보센터
  • Assignment #1:
    Write your own MATLAB Code for DSC problem and presnt the results. You have to make sure that you can understand all the commands in your code. Also, solve for exercise.
    Due date: Apr. 16 (Mon)

    (Ref data from Madonna code)
    METHOD STIFF
    STARTTIME = 0   STOPTIME=10000    DT = 10		DTMAX = 20
    heatingrate = 4        { Heating rate K/min}    hrate1  = heatingrate/60  { Heating rate unit conversion to K/s}
    hrate = if ((CA+CB)=900) then 0 else hrate1 {Turns of ramp heating}
    R   = 8.314            { J/mol/K}		Ea1 = 160000           { J/mol}
    dH1 = -250000          { J/mol}			k01 = 1.0e10           { 1/s}
    Ea2 = 200000           { J/mol}			dH2 =  -250000         { J/mol}
    k02 =   1.0e11         { 1/s}			cpc =  500             { J/K/kg}
    cps = 3500             { J/K/kg}		rhos = 3000            { kg/m^3}
    UA  = 0.025            {heat transfer coefficient, W/K}
    {Masses of crucible and sample}
    mc  =   1.5e-3    { kg}				ms  =   10e-6    { kg}
    
    Vs  =   ms/rhos   {Sample volume, m^3}	taus  = 22        { measurement delay time, s}
    Ca0   = 5000      { mol/m^3}			Tstart = 450      {Starting temperature of oven, K}
    
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