During the growth of cells in the bioreactor, some heat is also lost generally, the heat...
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During the growth of cells in the bioreactor, some heat is also lost generally, the heat loss rate is directly proportional to the cell growth rate. It is desirable to keep the temperature around 35-37 degrees inside the reactor, and for that a hot water jacket is often used. Heat consumed in cell metabolism (Qmet) Qmet = H conMXV Here, Qmet - heat produced due to cell metabolism (units kJ/h) Hcon-metabolic heat consumed per gram of the cell generation (units kJ/g) :-specific growth rate (units 1/h) : - cell concentration (units g/L) :- volume of the bioreactor (units L) X V The rate at which heat is supplied by the heating water (or any other fluid) depends upon the overall heat transfer coefficient "U" (units W/m K), effective heat transfer area "A" (units m) and the temperature difference between the reactor and the heating water. O(gas) Input stream F (Sin) Fj Heating water in X, S, O, CO, P Heating water out Fj F (S, X, O, CO, P) Output stream During the growth of cells in the bioreactor, some heat is also lost generally, the heat loss rate is directly proportional to the cell growth rate. It is desirable to keep the temperature around 35-37 degrees inside the reactor, and for that a hot water jacket is often used. Heat consumed in cell metabolism (Qmet) Qmet = H conMXV Here, Qmet - heat produced due to cell metabolism (units kJ/h) Hcon-metabolic heat consumed per gram of the cell generation (units kJ/g) :-specific growth rate (units 1/h) : - cell concentration (units g/L) :- volume of the bioreactor (units L) X V The rate at which heat is supplied by the heating water (or any other fluid) depends upon the overall heat transfer coefficient "U" (units W/m K), effective heat transfer area "A" (units m) and the temperature difference between the reactor and the heating water. O(gas) Input stream F (Sin) Fj Heating water in X, S, O, CO, P Heating water out Fj F (S, X, O, CO, P) Output stream
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In a bioreactor the heat loss rate is directly proportional to the cell growth rate To maintain the ... View the full answer
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