Jump to content



Featured Articles

Check out the latest featured articles.

File Library

Check out the latest downloads available in the File Library.

New Article

Product Viscosity vs. Shear

Featured File

Vertical Tank Selection

New Blog Entry

Low Flow in Pipes- posted in Ankur's blog

2

Nucleate Boiling- Boiler


6 replies to this topic
Share this topic:
| More

#1 krishna106738

krishna106738

    Junior Member

  • Members
  • 12 posts

Posted 08 August 2019 - 09:29 PM

Hi Team,
As I understood that for good heat transfer to occur we have to design boilers on basis of nucleate boiling regime.In general for nucleate boiling delta T is between 10-30 C .My question is it possible to have nucleate boiling at higher delta such as 180-200 C also.

#2 breizh

breizh

    Gold Member

  • ChE Plus Subscriber
  • 4,277 posts

Posted 09 August 2019 - 12:16 AM

hi,

Let you consider this resource .

Good luck.

Breizh

Attached Files



#3 krishna106738

krishna106738

    Junior Member

  • Members
  • 12 posts

Posted 16 August 2019 - 01:42 AM

Hi Briezh,

Thanks lot for sharing the articles, which tells about operational issue involved when we move away from Nucleate boiling region for reboilers.

 

 

I have question regarding power plant oil/gas fired thermosiphon boiler,in which to we can see there will be high delta between hot side and cold side.So how do we have to manage the nucleate boiling delta T in those cases.

 

Thanks

Krishna



#4 krishna106738

krishna106738

    Junior Member

  • Members
  • 12 posts

Posted 18 August 2019 - 05:58 AM

Hi Breizh, 

Is there any articles or source where i can clarify or learn about this particular cases.

 

 

Thanks

Krishna



#5 breizh

breizh

    Gold Member

  • ChE Plus Subscriber
  • 4,277 posts

Posted 18 August 2019 - 06:16 AM

Hi,

I cannot offer more . You may use the search engine in this forum and check for Thermosyphon . 

If the Delta T is big , you may  vaporize the liquid with the consequences on the material (deterioration)

Good luck .

Breizh


Edited by breizh, 18 August 2019 - 06:20 AM.


#6 krishna106738

krishna106738

    Junior Member

  • Members
  • 12 posts

Posted 18 August 2019 - 12:03 PM

Thank Breizh



#7 breizh

breizh

    Gold Member

  • ChE Plus Subscriber
  • 4,277 posts

Posted 19 August 2019 - 10:54 PM

Hi ,

Consider the document attached , extract of Process heat transfer from D.Q Kern .

Breizh

Attached Files






Similar Topics