# MATLAB

frfunction dx.docx
Here is the process of the alcohol fermentation ensured by the yeast Saccharomycescerevisite using glucose as substrate and fed continuously, represented by the following figure:
1.jpg 2.jpg 3.jpg   ============================> look at it on the scan document….
based on materials mass balances shows that the mathematical model representing the alcoholic fermentation kinetics can be represented by:
============================> look at it on the scan document….
S Substrate Concentration
X Biomass Concentration
P Product Concentration
V Reactionnal VolumeQin Inflow
Qmass Flow output
Sm Substrate Feed Concentration
U Specific growth rate of the biomass
Umax Maximum Specific growth rate of the biomass
Ks Affinity constant of the substrate relative to the degradation of the substrate
Pin Inhibition coefficient alcohol
Ki inhibition constant relative to the degradation of the substrate
K’s Affinity constant of the substrate relative to the substrate alcohol production
K’i Inhibition constant relative to the production of alcohol
Vs Rate specified degradation of the substrate
Vp Rate specified alcohol production  Vmax Specific maximum rate of production of alcohol
Y’ Performance conversation substrate production
D Dilution ratio
Are the following initial conditions : X(0) = Xo ; S(0) = So ; P(0)= Po Question1. simulate the model presented above in continuous mode for 14 hours fermentation by considering the following dataCharacteristic of the initial point :
S0 = 20 g.l’1X0 = 1 g.l’1P0 = 0 g.l’1Characterization of the method:V = 1 IQin = 0.1 l.h-1Qm = 0.1 l.h-1Sin = 20 g.l-1
Characterization of the kinetics of alcoholic fermentation:
Umax = 0.4 h-1
Ks = 5 g.l-1
Pm = 70 g.l-1
K1 = 201 g.l-1
Vmax = 1.4 h-1
K’s = 9 g.l-1
K’i = 297 g.l-1
Yp = 0.48 gp.gs-1
Question 2. Analyze, or identifier or study the sensitivity of kinetic parameters: Umass, Ks, Pm, Kin, Vmass, K’s, K’i, Yp
Question 3. Alcoholic fermentation was conducted experimentally under the same conditions as those provided by the simulation of detailed model above. The ethanol concentration was measured and the values ​​are detailed in the following table.　  ============================> look at it on the scan document….
Can someone help right now please I will pay you \$40 dollarmy email is ibrahimdem@hotmail.frSo I can send you the detail I have a scan document that I couldn’t join it on here

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