Study of heat transfer coefficient in helical coil
.................................22
Figure 10: Bath heat loss...................................................................................... 23
Figure 11: Unsteady state U considering heat loss...............................................24
Figure 12: Comparison of steady state and unsteady state heat transfer
coefficient at agitations of 618 rpm and 1703 rpm..............................................26
Figure 13: Theoretical heat transfer coefficient according to Richardson and
Coulson................................................................................................................. 28
Figure 14: Theoretical heat transfer coefficient according to Geankoplis.............29
Figure 15: Calibration curve for the rotameter.....................................................31
Figure 16: Calibration curve for the outlet (T1) thermocouple..............................32
Figure 17: Calibration curve for the inlet (T2) thermocouple................................33
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