Coil and Jacket's Effects on Internal Flow Behavior and Heat Transfer in Stirred Tanks

Different approaches for heating\cooling of stirred tanks, coils and jackets, are investigated using computational fluid dynamics (CFD).A time-dependant sliding mesh approach is applied to simulate the flow in both conditions. The investigations are carried out under the turbulent flow conditions for a Rushton impeller and heating elements are considered isothermal. The flow behavior and temperature distribution are studied for each case and heat transfer coefficient is calculated. Results show different velocity profiles for each case. Unsteady temperature distribution is not similar for different cases .In the case of the coiled stirred vessel more uniform temperature and higher heat transfer coefficient is resulted.

• B. Lakghomi
• E. Kolahchian
• A. Jalali
• F. Farhadi

• CFD
• coil and jacket
• heat transfer
• stirred tank.

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