Flow Conditioner Field Updates for CPA 50E Flow Conditionernew.cpacl.com/pdf/Dallas 2001...
Transcript of Flow Conditioner Field Updates for CPA 50E Flow Conditionernew.cpacl.com/pdf/Dallas 2001...
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Flow Conditioner Field Updates for CPA 50E Flow Conditioner
Blaine D. Sawchuk P. Eng.The Spring 2001 AGA Operations
Conference
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TOPICS for DISCUSSIONTOPICS for DISCUSSION
CPA 50 E Description CPA 50 E Description Ultrasonic Meter LearningsUltrasonic Meter Learnings
Orifice Meter ReviewOrifice Meter ReviewFlow Conditioner Secondary Flow Flow Conditioner Secondary Flow
MeasurementMeasurementConclusionsConclusionsQuestionsQuestions
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CPA 50 E Description
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CPA 50E Description
“ONLY ONE DESIGN”1/8/16 Configuration
49 % Porosity∆P = ½ρKv² k = 1.5 to 1.7
Holes as per listedThickness 15 % of pipe
diameterStainless Steel, Carbon, etc.
Flanged, Wafer (shown), pinned, welded
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CPA 50E Description
Technical Validity of CPA 50E:The plate is only a piece of steel with holes
without the technical backup.
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CPA 50E Description
● R&D at NOVA 1985 to 1994 – CPA 50E● Testing validation at NOVA, SwRI, K-Lab, PTB
Germany, etc.– 1996 to present – CPA 50E● API April 2000 AGA – 3 compliance – CPA 50E
presented at AGA Denver ● Ultrasonic meter testing – 1999 SwRI – CPA 50 E● Canadian Government Approval – 1997 – CPA 50E
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CPA 50E Description
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
Why a flow conditioner?Follow these thought
exercises:
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
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Ultrasonic Meter Learnings
Two papers essential:Terry Grimley SwRI – Ultrasonic Meter
Installation Configuration Testing AGA 2000 Operations Conference, Denver
Yeh and Mattingly NIST– Computer Simulations of Ultrasonic Flow Meter Performance in Ideal and Non-Ideal Pipe Flows ASME 1997 summer meeting EDSM97-3012
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Ultrasonic Meter Learnings
Recommendations:1. Put thought into upstream meter station
piping to minimize loading on flow conditioner.
2. Meter tube roughness, roundness, length and overall fab quality important.
3. Work closely with meter, fab shop and flow conditioner vendors.
4. Calibrate5. If at all possible leave the meter tube
assembly bolted together.
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Ultrasonic Meter Learnings
Continued:● Keep internal pipe roughness the
same through out assembly.
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Orifice Meter Orifice Meter -- ReviewReview
Review of AGA 3 and Flow Conditioners
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Type Approval Test – Appendix 2D
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Compliance - Type Approval Test #1
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Compliance - Type Approval Test #1
Taken from GRI Report No. GRI-97/0207
Prepared by Dr. T.B. Morrow
For GRI
At
SouthWest Research Institute
December 1997
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Compliance - Type Approval Test #2
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Compliance - Type Approval Test #2
CPA 50E - Good Flow Conditions
-1.4-1.2
-1-0.8-0.6-0.4-0.2
00.2
0 10 20 30 40 50 60
Distance from exit of Flow Conditioner to Orifice Plate Pipe Diameters
% d
evia
tion
in C
d fro
m
Bas
elin
e
0.4 Beta Tap #10.4 Beta Tap #20.6 Beta Tap #10.6 Beta Tap #20.67 Beta Tap #10.67 Beta Tap #20.75 Beta Tap #10.75 Beta Tap #2
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Compliance - Type Approval Test #3
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Compliance - Type Approval Test #3
CPA 50E - 50% Gate Valve
-2.5
-2
-1.5
-1
-0.5
0
0.5
0 10 20 30 40 50
Distance from exit of Flow Conditioner to Orifice Plate - Pipe Diameters
% d
evia
tion
in C
d fr
om
Base
line
0.4 Beta Tap #1 17D
0.4 Beta Tap #2 17D
0.6 Beta Tap #1 17D
0.6 Beta Tap #2 17D
0.67 Beta Tap #1 17D
0.67 Beta Tap #2 17D
0.75 Beta Tap #1 17D
0.75 Beta Tap #2 17D
0.4 Beta Tap #1 29D
0.4 Beta Tap #2 29D
0.6 Beta Tap #1 29D
0.6 Beta Tap #2 29D
0.67 Beta Tap #1 29D
0.67 Beta Tap #2 29D
0.75 Beta Tap #1 29D
0.75 Beta Tap #2 29D
0.4 Beta Tap #1 459D
0.4 Beta Tap #2 45D
0.6 Beta Tap #1 45D
0.6 Beta Tap #2 45D
0.67 Beta Tap #1 45D
0.67 Beta Tap #2 45D
0.75 Beta Tap #1 45D
0.75 Beta Tap #2 45D
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Compliance - Type Approval Test #4
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Compliance - Type Approval Test #4
CPA 50E - Chevron Swirl Generator
-2
-1.5
-1
-0.5
0
0.5
0 10 20 30 40
Distance from exit of Flow Conditioner to Orifice Plate - Pipe Diameters
% d
evia
tion
in C
d fro
m B
asel
ine
0.4 Beta Tap #1 17D
0.4 Beta Tap #2 17D
0.6 Beta Tap #1 17D
0.6 Beta Tap #2 17D
0.67 Beta Tap #1 17D
0.67 Beta Tap #2 17D
0.75 Beta Tap #1 17D
0.75 Beta Tap #2 17D
0.4 Beta Tap #1 45D
0.4 Beta Tap #2 45D
0.6 Beta Tap #1 45D
0.6 Beta Tap #2 45D
0.67 Beta Tap #1 45D
0.67 Beta Tap #2 45D
0.75 Beta Tap #1 45D
0.75 Beta Tap #2 45D
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Compliance - Type Approval Test #5
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Compliance - Type Approval Test #5
CPA 50E - Two Elbows out of Plane
-2
-1.5
-1
-0.5
0
0.5
0 10 20 30 40 50
Distance from exit of Flow Conditioner to Orifice Plate
% d
evia
tion
in C
d fr
om B
asel
ine
0.4 Beta Tap #1 17D
0.4 Beta Tap #2 17D
0.6 Beta Tap #1 17D
0.6 Beta Tap #2 17D
0.67 Beta Tap #1 17D
0.67 Beta Tap #2 17D
0.75 Beta Tap #1 17D
0.75 Beta Tap #2 17D
0.4 Beta Tap #1 29D
0.4 Beta Tap #2 29D
0.6 Beta Tap #1 29D
0.6 Beta Tap #2 29D
0.67 Beta Tap #1 29D
0.67 Beta Tap #2 29D
0.75 Beta Tap #1 29D
0.75 Beta Tap #2 29D
0.4 Beta Tap #1 459D
0.4 Beta Tap #2 45D
0.6 Beta Tap #1 45D
0.6 Beta Tap #2 45D
0.67 Beta Tap #1 45D
0.67 Beta Tap #2 45D
0.75 Beta Tap #1 45D
0.75 Beta Tap #2 45D
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Compliance - Type Approval Test #6
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Compliance - Type Approval Test #6
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Compliance - Type Approval Test #6
CPA 50E - Scalibility Test
-1.00
-0.75
-0.50
-0.25
0.00
0.25
0.50
0.75
1.00
0 5 10 15 20 25Distance from flow conditioner to orifice plate - Pipe
Diameters
Dev
iatio
n fr
om B
asel
ine
Cd
B 0.31B 0.41B 0.50B 0.60B 0.67B 0.75
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Compliance - Type Approval Test #7
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Compliance - Type Approval Test #7
● As previous results, NPS 4” Pipe, Beta = 0.67, Re = 2.7 x 106, and…
NPS 4” Pipe, Beta = 0.68, Re as listed.
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Conclusions
CPA 50E Performance at Beta 0.7517D Meter Run
Results from GRI Report No. 97/0207 "Development of a Flow Conditioner Performance Test"
-2.50%
-2.00%
-1.50%
-1.00%
-0.50%
0.00%
0.50%
1.00%
1.50%
2.00%
2.50%
1 2 3 4 5 6 7 8 9 10 11 12 13
Distance from CPA 50E Outlet to Orifice Plate (Pipe Diameters)
Deva
ition
Fro
m B
asel
ine
Cd
Good Flow Condit ions Ta p 1
Good Flow Condit ions Ta p 2
High S wir l Ta p 1
High S wir l Ta p 2
P a r t ly Close d Va lve Tap 1
P a r t ly Close d Va lve Tap 2
2 Elbows out of P la ne Ta p 1
2 Elbows out of P la ne Ta p 2
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Conclusions
Tube Bundle Performance at Beta 0.7517D Meter Run
Results from GRI Report No. 97/0207 "Development of a Flow Conditioner Performance Test"
-2.50%
-2.00%
-1.50%
-1.00%
-0.50%
0.00%
0.50%
1.00%
1.50%
2.00%
2.50%
1 2 3 4 5 6 7 8 9 10 11 12 13
Distance From Tube Bundle Outlet to Orifice Plate (Pipe Diameters)
Devi
atio
n Fr
om B
asel
ine
Cd
Good Flow Condit ions Ta p 1
Good Flow Condit ions Ta p 2
High S wirl Ta p 1
High S wirl Ta p 2
P a rt ly Close d Va lve Ta p 1
P a rt ly Close d Va lve Ta p 2
2 Elbows out of P la ne Ta p 1
2 Elbows out of P la ne Ta p 2
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Flow Conditioner Secondary Flow Flow Conditioner Secondary Flow MeasurementMeasurement
You will reduce the measurement uncertainty of the metering system by approximately 30% by using the flow
conditioner as a check meter.
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Flow Conditioner Secondary Flow Flow Conditioner Secondary Flow MeasurementMeasurement
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Flow Conditioner Secondary Flow Flow Conditioner Secondary Flow MeasurementMeasurement
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Flow Conditioner Secondary Flow Flow Conditioner Secondary Flow MeasurementMeasurement
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Flow Conditioner Secondary Flow Flow Conditioner Secondary Flow MeasurementMeasurement
Papers:Laws and Quazzane – Integrated Flow
Conditioning and Flow Metering, FED vol 211, Fluid Measurement and Instrumentation ASME 1995
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Questions