Calculating Nusselts Number for Water Flow

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SUMMARY

The discussion focuses on calculating the Nusselt number for water flow in a duct with specific parameters: a bulk temperature of 32 degrees Celsius, a flow velocity of 1.5 m/s, and a wall temperature of 43 degrees Celsius in a duct with a 2.54 cm inner diameter. Participants are encouraged to explore three different methods for calculating the Nusselt number. The conversation emphasizes the importance of demonstrating personal input before seeking assistance, indicating a collaborative approach to problem-solving in academic settings.

PREREQUISITES
  • Understanding of fluid dynamics principles
  • Familiarity with heat transfer concepts
  • Knowledge of Nusselt number significance in thermal analysis
  • Proficiency in using relevant equations for convective heat transfer
NEXT STEPS
  • Research the Dittus-Boelter equation for turbulent flow
  • Explore the Sieder-Tate correlation for calculating Nusselt number
  • Learn about the significance of Reynolds and Prandtl numbers in heat transfer
  • Investigate the impact of duct geometry on convective heat transfer
USEFUL FOR

Students in engineering disciplines, thermal engineers, and anyone involved in fluid mechanics or heat transfer analysis will benefit from this discussion.

habte
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hey guys i got a problem.If you are given the bulk temperature of water, flowing at a velocity of 1.5m/s, to be 32 degrees celsius and is flowing through a 2.54cm ID duct which has a wall temperature of 43 degrees celsius. How can you calculate the nusselts number using three different ways?
 
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What have you found out about it so far? This looks like an assignment and you should post it in the appropriate forum if you want the best chance of a good answer - but only after you have shown some input of your own.
 

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