A simplified two-phase flow model using a quasi-equilibrium momentum balance

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A simplified two-phase flow model using a quasi-equilibrium momentum balance

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作者：Ulf Jakob F. Aarsnes ; ¹ ; ^a ; ^{ulfjakob@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; ^{ulf.jakob.aarsnes@itk.ntnu.no" class="auth_mail" title="E-mail the corresponding author} ; Adrian Ambrus^b ; Florent Di Meglio^c ; Ali Karimi Vajargah^d ; Ole Morten Aamo^a ; Eric van Oort^d
关键词：Two-phase flow ; Drilling ; Well control ; Kick handling ; Managed pressure drilling ; Underbalanced drilling ; Automatic control ; Estimation ; PDE-ODE model ; Severe slugging ; Flow assurance ; Riser gas
刊名：International Journal of Multiphase Flow
出版年：2016
出版时间：July 2016
年：2016
卷：83
期：Complete
页码：77-85
全文大小：628 K

文摘

•: Transient two phase flow is described with a single dynamic PDE.
•: Closure relations are obtained assuming a quasi-equilibrium momentum balance.
•: Approximations make closure relations explicit, allowing for fast computation.
•: The result has applications in model-based estimation and control algorithms.

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