Difference between revisions of "Hagedorn and Brown correlation"

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[https://en.wikipedia.org/wiki/Darcy_friction_factor_formulae wikipedia.org Darcy friction factor formulae]
 
[https://en.wikipedia.org/wiki/Darcy_friction_factor_formulae wikipedia.org Darcy friction factor formulae]
  
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Hagedorn, A. R., & Brown, K. E. (1965). Experimental study of pressure gradients occurring during continuous two-phase flow in small-diameter vertical conduits. Journal of Petroleum Technology, 17(04), 475-484.
  
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lala<ref> Hagedorn, A. R., & Brown, K. E. (1965). Experimental study of pressure gradients occurring during continuous two-phase flow in small-diameter vertical conduits. Journal of Petroleum Technology, 17(04), 475-484. </ref>
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Lyons WC. 1996. Standard handbook of petroleum and natural gas engineering. Gulf Publishing Company, Houston, TX.
  
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Guo B, Lyons WC, Chalambor A. 2007. Petroleum production engineering, A computer assisted approach. Elsevier Science & Technology Books
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Trina S. 2010. An integrated horizontal and vertical flow simulation with application to wax precipitation. Master of Engineering Thesis, Memorial University of Newfoundland, Canada.
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Haaland SE. 1983. Simple and Explicit Formulas for the Friction Factor in Turbulent Pipe Flow. Journal of Fluids Engineering. Vol. 105, pp. 89-90.
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<ref name = Moody1944>{{citation
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| first=L. F. | last=Moody
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| title=Friction factors for pipe flow
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| journal=Transactions of the ASME
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| volume=66
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| issue=8
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| pages=671–684
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| year=1944
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| url=https://www.scribd.com/doc/269398353/Friction-Factors-for-Pipe-Flow-MoodyLFpaper1944
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}} <!-- dead link [http://users.auth.gr/yiantsio/MoodyLFpaper1944.pdf paper on auth.gr]--></ref>
  
 
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Revision as of 18:51, 21 March 2017

Brief

Hagedorn and Brown is an empirical two-phase flow correlation published in 1965.

It doesn't distinguish between the flow regimes.

The heart of the Hagedorn and Brown method is a correlation for the liquid holdup :H_L.

Math & Physics

Following the law of conservation of energy the basic steady state flow equation is:

144 \frac{\Delta p}{\Delta h} = \bar \rho_m + \frac{f q_L^2 M^2}{2.9652 \times 10^{11} D^5 \bar \rho_m} + \bar \rho_m \frac{\Delta{(\frac{v_m^2}{2g_c}})}{\Delta h}

where

\bar \rho_m = \rho_L H_L + \rho_g (1 - H_L)

Colebrook–White equation for the Darcy's friction factor:

\frac{1}{\sqrt{f}}= -2 \log \left( \frac { \varepsilon} {3.7 D} + \frac {2.51} {\mathrm{Re} \sqrt{f}} \right)

Reynolds two phase number:

Re = 2.2 \times 10^{-2} \frac {q_L M}{D \mu_L^{H_L} \mu_g^{(1-H_L)}}

Discussion

Block Diagram

Workflow

M =SG_o\ 350.52\ \frac{1}{1+WOR}+SG_w\ 350.52\ \frac{WOR}{1+WOR}+SG_g\ 0.0764\ GLR
\rho_L= \frac{62.4\ SG_o + \frac{Rs\ 0.0764\ SG_g}{5.614}}{B_o} \frac{1}{1+WOR} + 62.4\ SG_w\ \frac{WOR}{1 + WOR}
\rho_g = \frac{28.967\ SG_g\ p}{z\ 10.732\ T_R}
\mu_L = \mu_o \frac{1}{1 + WOR} + \mu_w \frac{WOR}{1 + WOR}
\sigma_L = \sigma_o \frac{1}{1 + WOR} + \sigma_w \frac{WOR}{1 + WOR}
N_L = 0.15726\ \mu_L \sqrt[4]{\frac{1}{\rho_L \sigma_L^3}}
CN_L = 0.061\ N_L^3 - 0.0929\ N_L^2 + 0.0505\ N_L + 0.0019
v_{SL} = \frac{5.615 q_L}{86400 A_p} \left ( B_o \frac{1}{1+WOR} + B_w \frac{WOR}{1+WOR} \right )
v_{SG} = \frac{q_L \left ( GLR-R_s \left( \frac{1}{1+WOR}\right) \right )}{86400 A_p}\ \frac{14.7}{p}\ \frac{T_K}{520}\ \frac{z}{1}
N_{LV} = 1.938\ v_{SL}\ \sqrt[4]{\frac{\rho_L}{\sigma_L}}
N_{GV} = 1.938\ v_{SG}\ \sqrt[4]{\frac{\rho_L}{\sigma_L}}
N_{D} = 120.872\ D \sqrt{\frac{\rho_L}{\sigma_L}}
H = \frac{N_{LV}}{N_{GV}^{0.575}}\ \left ( \frac{p}{14.7} \right )^{0.1} \frac{CN_L}{N_D}
\frac{H_L}{\psi} = \sqrt{\frac{0.0047+1123.32 H + 729489.64H^2}{1+1097.1566 H + 722153.97 H^2}}
B = \frac{N_{GV} N_{LV}^{0.38}}{N_{D}^{2.14}}
\psi = \begin{cases} 27170 B^3 - 317.52 B^2 + 0.5472 B + 0.9999, &\mbox{if } B <= 0.025 \\ -533.33 B^2 + 58.524 B + 0.1171, & \mbox{if }B > 0.025 \\ 2.5714 B +1.5962, & \mbox{if }B > 0.055 \end{cases}
H_L = \frac{H_L}{\psi} \times \psi

Nomenclature

References

fekete.com

wikipedia.org Darcy friction factor formulae

Hagedorn, A. R., & Brown, K. E. (1965). Experimental study of pressure gradients occurring during continuous two-phase flow in small-diameter vertical conduits. Journal of Petroleum Technology, 17(04), 475-484.

Lyons WC. 1996. Standard handbook of petroleum and natural gas engineering. Gulf Publishing Company, Houston, TX.

Guo B, Lyons WC, Chalambor A. 2007. Petroleum production engineering, A computer assisted approach. Elsevier Science & Technology Books

Trina S. 2010. An integrated horizontal and vertical flow simulation with application to wax precipitation. Master of Engineering Thesis, Memorial University of Newfoundland, Canada.

Haaland SE. 1983. Simple and Explicit Formulas for the Friction Factor in Turbulent Pipe Flow. Journal of Fluids Engineering. Vol. 105, pp. 89-90.

[1]
  1. ↑ Moody, L. F. (1944), "Friction factors for pipe flow", Transactions of the ASME, 66 (8): 671–684 
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