Bobby Strain Group is committed to provide intelligent application-specific software that is swift and reliable. You may use the programs that are available to you through the menu. By using any software at or from this site, you agree to the Terms Of Use , (access on every page footer), which you should view. You should read the Application Help file to make your site use more productive.

Subscribers have access to the best applications for sizing horizontal separators. Click here to use a fully functional demo of the horizontal separator optimized design program available to subscribers.

You can see all the pages that are part of the horizontal separator application. Click here to open the pages. This will first open instructions, then you can navigate within the pages with buttons/tabs on each page.

The rating software for horizontal separators will soon be available only to subscribers.

We also have application software that  produces a datasheet from your web page results. Send an e-mail from the Login page or via the contact form to inquire about a subscription.

A new application for two-phase flow is available. The calculation uses Dukler constant-slip model with the Hugmark holdup model.

Links are updated periodically. If you get an error on one of the links, go to that site root URL for the link.

Browsers change frequently and supported features change. To save the page for your calculation results, be sure to click the button provided before you save. This will assure that all the updates are included in the page that you save. Read the application help file to assure your work is saved.

If you find these applications useful, send us a note using the contact form accessible from the menu.