Fig. 14. Temperature profile of fluid and metal plate for the upper extreme case.Figure optionsDownload full-size imageDownload as PowerPoint slide
Fig. 15. Temperature profile of fluid and metal plate for the lower extreme case.Figure optionsDownload full-size imageDownload as PowerPoint slide
Fig. 16 compares the temperature difference between plate and fluid (U) at two extreme cases. It can be observed that when the axial conduction is significant, U develops an ‘s’ shaped curve. This flattens out with A 83-01 in axial conduction until it approximates the expected straight line for constant heat flux wall boundary condition. It also indicates that the length of channel can make the axial conduction more pronounced in shorter channels.
Fig. 16. Temperature difference between plate and fluid (U) for the two extreme cases.Figure optionsDownload full-size imageDownload as PowerPoint slide
The results show phospholipids the effect of axial thermal conduction in the plate can significantly alter the temperature profile of the metal plate and result in a mixed wall boundary condition at the wall. The ability to predict the ‘s’ shaped distribution of metal temperature has implications for the design and interpolation of experiments, for example, when using thermocouples to measure plate temperature, the thermocouple position can have significant impact on the experimental results. It might also need to be considered during the design of microchannel systems for cooling electronic devices.