×
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

Calculation of Mass of Steam

Calculation of Mass of Steam

Calculation of Mass of Steam

(OP)
Hi Guys,

I would like some help please... I am trying to calculate the mass of steam used for washing of an industrial hose. The issue is I don't know the kW rating of the boiler. The pressure is 6 bar and the diameter of the pipe is 2.5 inches. It takes 3 minutes to wash a single hose, how do I calculate the mass of steam used in this 3 minutes? The hose is 4 inches.

Thanks!

RE: Calculation of Mass of Steam

You can't from this sort of information. Measure water level (volume) before and after operation, measure pressure before and after operation, measure heat input or turn heat off during operation. Then you might be able to work out mass. You certainly can't from this information.

Why do you need to know?

My motto: Learn something new every day

Also: There's usually a good reason why everyone does it that way

RE: Calculation of Mass of Steam

You can make an estimate though. You can start by calculating the flow to obtain a pressure drop of 6 bar over the supply line. You can then take this flow and calculate the mass over 3 minutes.

RE: Calculation of Mass of Steam

Only if the supply line is open ended though. Any restriction at the end (valve, nozzle etc) will affect what is the actual pressure drop in the line.

My motto: Learn something new every day

Also: There's usually a good reason why everyone does it that way

RE: Calculation of Mass of Steam

True, but it can give you a "ballpark figure".

RE: Calculation of Mass of Steam

Unless there is a valve somewhere...

RE: Calculation of Mass of Steam

"... The hose is 4 inches." is that the length of the hose?

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