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HTC in Natural convection

- June 11, 2021 at 9:04 am
  
  Abubakar
  Subscriber
  
  Hi Sir,
  In the External natural convection video, Natural convection course the instructor is saying that "In turbulent flow, the HTC is independent to body characteristic length" (PFA)
- June 14, 2021 at 2:08 pm
  
  Karthik Remella
  Administrator
  
  Hello It is the Nusselt number which is linearly proportional, not HTC. To obtain HTC, you will need to use the definition of Nu number. The L in the Nusselt number definition and L on the RHS will cancel and you will observe that HTC is actually independent of the length scale.
  Karthik
- June 14, 2021 at 3:57 pm
  
  Abubakar
  Subscriber
  
  Thank you, very much sir. Understood mathematically any physical reason why in turbulent flow HTC doesn't depend on characteristic length? TIA
- June 17, 2021 at 4:29 am
  
  Abubakar
  Subscriber
  
  Sir, can you please me help with this?

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