Practical Applications and Unique Features of Boiling and Condensation
Many practical cases involve heat transfer with a change of phase of the fluid, such as boiling and condensation. These processes exhibit high heat transfer rates with small temperature differences due to the change of phase, making them crucial in various applications like refrigeration systems, steam power plants, and nuclear reactors.
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Presentation Transcript
Heat Transfer BOILING
Introduction There are many important practical cases which involve heat transfer with a change of phase of the fluid, e.g. boiling where the liquid changes to vapour and condensation where the vapour condenses into a liquid Boiling and condensation are classified under convection since there is motion of the fluid during heat transfer in these processes. Some of the applications of boiling and condensation are: Evaporators and condensers of a refrigerating system Boilers and condensers of a steam power plant Reboilers and condensers of distillation columns of cryogenic and petrochemical plants Cooling of nuclear reactors and rocket motors Unique features of boiling and condensation are: heat transfer, practically at a constant temperature, because of change of phase high heat transfer rates with small temperature difference.
