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# Tools:BiPhase (flow pressure drop calculation, liquid hold up and flow type)

From petrofaq

**Biphase Flow Calculator** was made to perform biphase flow pressure drop calculation, liquid hold up and flow type.

The pressure drop calculation uses the following correlation:

- VDI - Horizontal and Vertical case
- Duckler - No Slip and Constant Slip case
- Beggs and Brill
- Lockhart Martinelli

For liquid hold up the calculations were made using:

- Lockhart Martinelli correlation
- Hughmark
- Eaton
- Beggs and Brill

To determine the flow type in the pipe:

- Horizontal Configuration - Baker and Taitel Duckler
- Vertical Configuration - Govier

http://www.geocities.ws/rucucu_001/biphase.htm

Download an evaluation copy of this program