Copper Pool Boiling Evaporator Tube
Product Detail:
The fish scales like profiles are distributed uniformly on the enhanced surface of the tube while the circular channels are formed helically under the profiles. The special porous structure has provided lots of nucleation points which are critical in flooded boiling. It has reduced the thickness of the liquid film between the bubbles and the tube wall to decrease the thermal resistance. Meanwhile, it can accelerate the circulation of liquid and bubbles in the fin root channels and cavity pockets due to the thermos-siphon effect, which improves both internal and external convection.
This circulation can also help to remove impurities to reduce fouling. In this special configuration, refrigerant can boil more bubbles continuously at less superheat. The shell side heat transfer coefficient can be as high as 30 times that of a plain tube.
Furthermore, the tube side heat transfer coefficient is again improved contributing to increased surface area and turbulent flow induced by helical ridges inside the tube.
Features:
The tube side heat transfer coefficient is again improved contributing to increased surface area and turbulent flow induced by helical ridges inside the tube.
Parameters:
Applications：
High performance evaporator fin tubes can also be found applied in any field where nucleate boiling needs to be driven by very small temperature difference in heat transfer such as the separation of light hydrocarbons, geothermal engineering, ocean thermal power generation, waste heat recovery and in evaporation of the aqueous solution at low temperature etc.
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