E-Modul

1
Formula library
Chapter 2
Chapter 3
Chapter 1
Chapter 4
Select one subject!!
Chapter 5
Chapter 6
Nomenclature
Chapter 8
Chapter 7
Appendix
2
Chapter 1
Middling and relations between rates and
velocities
Nomenclature
where
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pdf
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3
Chapter 2
Definitions and basic quantities
Young-Laplace
Laplace equation
Friction
Pressure drops
Laplace 1749-1827
Two phase velocity
Two phase fluid properties
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4
Chapter 2
Laplace equation
Nomenclature
Capillareeffect
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5
Chapter 2
Young-Laplaces equation
Nomenclature
Horisontal komponenter
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Vertikal komponenter
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6
Chapter 2
Two phase velocity
Nomenclature
Superficial velocity
Phase velocity
Noslip relation
Silp relation
Slip velocity
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7
Chapter 2
Two phase velocity
Nomenclature
True relation
From phase velocity (true velocity)
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8
Chapter 2
Two phase fluid properties
Nomenclature
Density
Viscosity
Pressure drop (total)
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9
Chapter 2
Friction
Nomenclature
Laminar flow
turbulent flow
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10
Chapter 2
Friction
Nomenclature
Colebrook-White frictionfactor for turbulent flow
in rough pipes
Hydrostatic pressure gradient
or
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Acceleration pressure drop
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11
Chapter 2
Two phase homogeneous model friction,
hydrostatic and acceleration
Nomenclature
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12
Chapter 3
Velocity profil
Nomenclature
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Power-law turbulent
Viscous thin layer
Turbulent profil far from the wall
Bernouilli
pdf
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13
Chapter 4
Flow regimes
Liquid holdup equation
Taitel and Dukler model
Regime limits in horizontal flow
Regime limits in vertical flow
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14
Chapter 4
Taitel and Dukler model
Nomenclature
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15
Chapter 4
Liquid holdup equation
Nomenclature
Lockart-Martinelli parameter
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16
Chapter 4
Regime limits in horizontal flow
Nomenclature
Stratified smooth ? stratified wavy
Stratified smooth ? slug
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Slug ? dispersed bubble
Slug ? annular flow
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17
Chapter 4
Regime limits in vertical flow
Nomenclature
Dispersed bubble ? slug
Pos.1 - low Umix (mediocre bubbles)
Pos.2 - high Umix (small bubbles)
DB breaks
Existens of DB i thin pipes (minimum D)
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Churn ? slug
Slug ? annular
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18
Chapter 5
Calculation of fluid fractions
Nomenclature
In general
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Martinelli and Nelson
Liquid fraction in slugs
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19
Chapter 6
Beggs and Brill model
Nomenclature
Acceleration pressure drop (due to gas expansion)
Total pressure gradient
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See fig. 6.5 , in the compendium
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20
Chapter 6
Lockhart Martinelli model
Nomenclature
Introdusing the two phase multiplicator
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where is the Lockhart
Martinelli parameter
and C is the parameter given by
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21
Chapter 7
Measurement techniques
Nomenclature
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Gas and liquid parallell with the beam
Gas and liquid normal on the beam or the mixture
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22
Chapter 8
Non stationary flow and waves
Nomenclature
Severe slugging criteria
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Sound velocity in two phase
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23
Appendix
Nomenclature
This site is under construction please see the
pdf-files attatching
Appendix A
Appendix B
pdf
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24
Nomenclature
viscosity density Velocity diameter
Kinematic viscosity Reynolds number
friction factor Shear stress velocity
Area Circle length angle gravity
constant
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