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!

*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.

Jobs

Diesel and petrol boiling pressure?

Diesel and petrol boiling pressure?

(OP)
Please can anyone help me by indicating the boiling pressure of petrol and diesel which are used in cars,at normal temperature of 20°C?
Any help is appreciated.
Best regards

RE: Diesel and petrol boiling pressure?

Use this handy thing http://www.sigmaaldrich.com/chemistry/solvents/lea...

Find your BP at atmospheric (middle line, set the LH to 20C and read off the RH scale.

Petrol is a bit hard as it's BP at atmospheric conditions is normally < 100C.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

RE: Diesel and petrol boiling pressure?

Do you have the capability of doing the experiment yourself? What you would need is a vacuum pump (listed type for petrol)and a vacuum guage or you could have a certified lab do the experiment for you.

RE: Diesel and petrol boiling pressure?

You'll first have to identify the component that represents the most volatile 0.5% v/v or 1% v/v of this product. Then use the link Little Inch has provided to get the sat vap pressure of this component at 20degC.

RE: Diesel and petrol boiling pressure?

You certainly don't want the "boiling pressure" of these liquids at 20 deg C as they are not boiling at 20 deg C. What you are looking for is the vapor pressure. Gasoline blendss are classified by their Reid Vapor Pressure (RVP). The EPA publishes allowable RVP by location and time of year. They allow higher RVP in the winter because the temperatures are lower. Higher RVP helps cold starting.

http://www.epa.gov/gasoline-standards/gasoline-rei...

----------------------------------------

The Help for this program was created in Windows Help format, which depends on a feature that isn't included in this version of Windows.

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


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close