TEAM X Steady State Data Analysis Distillation Column By: Dr. Jim Henry 7 Oct 2003.
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Transcript of TEAM X Steady State Data Analysis Distillation Column By: Dr. Jim Henry 7 Oct 2003.
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TEAM X
Steady State Data Analysis
Distillation Column
By: Dr. Jim Henry
7 Oct 2003
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Objectives
Energy Equation Analysis Steady-state analysis
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Distillation Column
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Distillation Column
Heat IN
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Distillation Column
Heat IN
Heat Loss, reboiler
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Distillation Column
Heat IN
Heat Loss, reboiler
Vacuuminsulated,NO Heat loss
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Distillation Column
Heat IN
Heat Loss, reboiler
Heat Loss, feed area
Vacuuminsulated,NO Heat loss
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Distillation Column
Heat IN
Heat Loss, reboiler
Heat Loss, feed area
Vacuuminsulated,NO Heat loss
Vacuuminsulated,NO Heat loss
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Distillation Column
Heat IN
Heat Loss, reboiler
Heat Loss, feed area
Heat Loss, reflux area
Vacuuminsulated,NO Heat loss
Vacuuminsulated,NO Heat loss
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Distillation Column
Heat IN
Heat Loss, reboiler
Heat Loss, feed area
Heat Loss, reflux area
Heat out, condenser
Vacuuminsulated,NO Heat loss
Vacuuminsulated,NO Heat loss
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Some Data
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Some DataPower readings taken to be correct
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Energy Equation Data
Qin is measured
Now we can determine Qloss
lossin QQ 0
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Some Data
Reboiler, at 75oC has heat lossTrays 12 & higher, insulated and cool, have no heat loss.
So Qin = Qloss
200 W = U A T
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Heat Loss
)(** roomboilerloss TTAUQ
A = 2* *r*l + 2* *r2
Surface Area (A) = 0.44 m2 found by measuring Reboiler
Measure Tboiler and Troom (23 oC) Determine U… the heat transfer coefficient
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Heat Loss
)(** roomboilerloss TTAUQ
A = 2* *r*l + 2* *r2
Surface Area (A) = 0.44 m2 found by measuring Reboiler
Measure Tboiler and Troom (23 oC) Determine U… the heat transfer coefficient
200 W = U* 0.44 *(75-23)
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Some Calcs
So Qin = Qloss
200 W = U* 0.44 *52 = U *22.9U = 400/22.9 = 17 W/m2 oC
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Some Data
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Some Data
Reboiler, at 75oC has heat lossTrays 12 & higher, insulated and cool, have no heat loss.
So same as before
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Some Data
Zoom In
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Some Data
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Some Data Reboiler, at 85oC has heat lossFeed area, at 68oC has heat lossTrays higher, insulated, have no heat loss.
So Qin = Qloss
400 W = UB AB TB
+ UF AF TF
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Some Calcs
So Qin = Qloss
400 W = U *0.44 *62
+ U *.1 *45 = U 31.7U = 400/31.7 = 13 W/m2 oC
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Conclusions
U in the range• 13 - 17 W/m2 oC
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Conclusions
U in the range• 13 - 17 W/m2 oC
Power readings taken to be correct