A jacketted-agitated vessel, fitted with a turbine agitator, is used for heating a water stream from 10°C to 54°C. The average heat transfer coefficient for water at the vessel’s inner-wall can be estimated from Nu = 0.76Re2/3Pr1/3. Saturated steam at 100°C condenses in the jacket, for which the average heat transfer coefficient in kW/m2·K is ho=5 13.1(Tg - Tw)20.25. The vessel dimensions are Dt = 0.6 m, H = 0.6 m and Da = 0.2 m. The agitator speed is 60 rpm. Calculate the mass rate of water that can be heated in this agitated vessel steadily.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A jacketted-agitated vessel, fitted with a turbine agitator,
is used for heating a water stream from 10°C to 54°C.
The average heat transfer coefficient for water at the vessel’s
inner-wall can be estimated from Nu = 0.76Re2/3Pr1/3.
Saturated steam at 100°C condenses in the jacket, for
which the average heat transfer coefficient in kW/m2·K
is ho=5 13.1(Tg - Tw)20.25. The vessel dimensions are Dt =
0.6 m, H = 0.6 m and Da = 0.2 m. The agitator speed is
60 rpm. Calculate the mass rate of water that can be heated in
this agitated vessel steadily.

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