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Flow Facilities – Imperial. DREAD. WASP. DAFLOF. TOWER. - 5 -. DREAD. Drag Reduction Experiments and Diagnostics. - 6 -. DREAD. Drag Reduction Experiments and Diagnostics. Water. F. Pressure driven system for drag reduction characterisation

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Presentation Transcript
slide1

Flow Facilities – Imperial

DREAD

WASP

DAFLOF

TOWER

- 5 -

slide2

DREAD

Drag Reduction Experiments and Diagnostics

- 6 -

slide3

DREAD

Drag Reduction Experiments and Diagnostics

Water

F

  • Pressure driven system for drag reduction characterisation
  • Homogenous and heterogeneous drag reduction testing
  • Single phase flow as well as liquid-liquid multiphase flow
  • Non-intrusive gross flow measurements
    • Differential pressure
    • Flow-rate
    • Turbulence characterisation
      • PIV
      • Parameters
      • 8 m long test section
      • ID = 25.3 mm
      • Remin = 10,000
      • Remax = 1,000,000

Compressed air

MT

Differential pressure transducers

Valves

P

CMOS camera

DT

PV

T

H

Drain

F

Vis cell

Drain

Nd:YAG laser

Drain

PIV acquisition PC

Control panel

Data acquisition PC

- 7 -

slide4

DAFLOF

Downward Annular Flow Laser Observation Facility

- 8 -

slide5

DAFLOF

Downward Annular Flow Laser Observation Facility

  • Downward gas-liquid multiphase flow characterisation
  • Time-resolved LIF and PIV
  • Controlled parameters
    • Flow-rate
    • Temperature
    • Differential pressure
  • Parameters
  • 3 m long test section
  • ID = 32 mm
  • Regasmax = 75,000
  • Reliquidmax = 1,300

- 9 -

slide6

TOWER

Two Phase Oil Water Experimental Rig

- 10-

slide7

TOWER

Two Phase Oil Water Experimental Rig

BV14

BV16

  • Horizontal liquid-liquid multiphase flow characterisation
  • Time-resolved LIF and PIV
  • Controlled parameters
    • Flow-rate
    • Temperature
    • Differential pressure
    • Inlet conditions

BV17

BV15

BV18

BV19

BV20

BV21

Test Section

Inlet Section

C1

C4

C3

C2

Separator

FM2

FM1

FM4

FM3

BV10

BV11

BV12

BV13

  • Parameters
  • 7 m long test section
  • ID = 27.5 mm
  • Reliquidmax = 200,000

KnitMesh Coalescer

CV6

CV5

BV9

CV2

CV4

Oil Storage Tank

Aqueous Phase Storage Tank

BV8

CV1

CV3

CV7

CV8

BV6

BV7

BV5

BV4

M3

M1

BV1

BV2

M2

BV3

- 11 -

slide8

TOPAFF

Two Phase Annular Flow Facility

- 12 -

slide9

TOPAFF

Two Phase Annular Flow Facility

Air Out

  • Vertical gas-liquid upstream multiphase flow characterisation
  • Controlled parameters
    • Flow-rate
    • Temperature
    • Differential pressure
    • Pin-probe film thickness

Cyclone

Test Section

MV 24

Water

Tank

MV 15

MV 16

MV 1

Air Supply In

MV 2

  • Parameters
  • 4 m long test section
  • ID = 32 mm

FM 1

MV 19

Vent

MV 22

MV 17

MV 23

MV 3

Connect to the

Horizontal rig

MV 4

PR 1

MV 5

MV 6

- 13 -

slide10

LOTUS

Long Tube System

- 14 -

slide11

LOTUS

Long Tube System

  • Horizontal gas-liquid multiphase flow characterisation
  • Optical flow visualisation
  • Wire-probes for slug velocity measurements
  • Controlled parameters
    • Flow-rate
    • Differential pressure
    • Slug generation

Bubble Section

Conductivity Probes

Valve

Air

Vent

Orifice

P

Air

Feed

Tank

T

  • Parameters
  • 8 m long test section
  • ID = 32 mm

Reservoir

Tank

Pressurised

Water Tank

V8

P

PR

FM

Drain

V9

V6

V1

V7

Air supply

- 15 -

slide12

WASP

Water Air Sand and Petroleum

- 16 -

slide13

SLUG

VISUALISATION

CATCHER

SECTION

GAMMA

GAMMA

DENSITOMETER

DENSITOMETER

WASP

Water Air Sand and Petroleum

  • Horizontal gas-liquid-liquid multiphase flow characterisation
  • Pressure driven system
  • Gamma and X-ray densitometry
  • High-speed visualisation
  • Controlled parameters
    • Flow-rates
    • Temperature
    • Differential pressure
    • Inlet conditions

To control valves

AIR SUPPLY

Chem. Eng. Line

R

TO

S

Aero Line

ATMOSPHERE

V1

V16

V20

P2

T1

P1

AXIAL VIEWER

P3

FILM EXTRACTION

SECTION

F1

SILENCER

TEST SECTION

MIXER

X-RAY

V3

L1

V2

LIQUID

DP

CARRY-OVER

V4

RETURN

  • Parameters
  • 37 m long test section
  • ID = 78 mm
  • Inclination +/- 2º

PRESSURE TRANSDUCER

LINE

D

V5

D

V22

F3

S

S

DUMP

TRANSFER-LINE

V7

V6

TANK

OIL

WATER

V12

L4

V25

L2

L3

M1

V10

KEY

FILTER

ORIFICE PLATE

MANUAL VALVE

D

V14

V11

V15

RELIEF VALVE

VALVE INITIALLY OPEN

V9

M3

D

VALVE INITIALLY CLOSED

PROPORTIONAL CONTROL

V8

VALVE

V13

F2

REGULATOR

R

ONE WAY VALVE

M2

D

ON/OFF DOUBLE ACTING VALVE

MAGFLO METER

S

- 17 -

ON/OFF SPRING RETURN VALVE