×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Performance of heat exchanger

Performance of heat exchanger

Performance of heat exchanger

(OP)
Hi All

I need to do an evaluation of a pilot plant heat exchanger that we have installed and see if it would be better suited than our current bigger installations. I was trying to calculate the effectiveness of the heat exchanger but I keep on getting 1 with the NTU method. Below is the information that I have so any suggestions on how to do this would be greatly appreciated. It is a counter flow plate heat exchanger.

Steam pressure in = 120 kPa
Steam Temperature in = 400 C
Other fluid temperature in = 110 C
Steam flow in = 0.278 kg/s
Other fluid flow in = 1.806 kg/s
Heat Transfer Coefficient = 2.5 [kw/(m^2 C)]
Contact Area = 40 m^2
Steam heat capacity = 2.07 kJ/kg K
Other fluid heat capacity = 3.91 kJ/kg K

I would appreciate your help.

RE: Performance of heat exchanger

Is the steam exiting as steam or water?
How did you get you heat transfer coef? Calculated?

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

RE: Performance of heat exchanger

(OP)
Yes the steam is exiting as condensate water.
Yes the transfer coefficient was calculated when the trail was done.

I hope this helps.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources