Practical Determination of Heat Transfer Coefficients

The determination of the overall heat transfer coefficient, across the wall of a stirred vessel, is based on Equation 9.18. Thus, two steps are required  

The heat transfer coefficient of the internal film is determined from  

The equipment heat transfer coefficient determined from a cooling (or heating) experiment performed in the industrial reactor containing a known amount of a compound with known physical properties. 

Some typical values of heat transfer coefficients are given in Table 9.5. The values provided for hr without stirrer and hc without flow, show the influence of failure of the stirrer or of the cooling system on the heat transfer. 

Worked Example 9.1 Determination of a Heat Transfer Coefficient 

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