1 “Importance of “Importance of C h i S t C h i S t Comprehensive System Comprehensive System Design for FRP Piping” Design for FRP Piping” Presented By: Presented By: Jeffrey D. Eisenman, P.E. Jeffrey D. Eisenman, P.E. Maverick Applied Science, Inc. Maverick Applied Science, Inc. jeisenman@mas [email protected]mss.com Metatron Seminar Metatron Seminar For FRP Piping For FRP Piping Santiago, Chile Santiago, Chile PH: PH: +1 (941 +1 (941) 721 ) 721-1800 1800 March 21, 2012 March 21, 2012
42
Embed
“Importance of ChiStComprehensive System Design for FRP ... · “Importance of ChiStComprehensive System Design for FRP Piping ... Pipe Stress Analysis ... PIPE: 55PIPE: 55°°FW
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
1
“Importance of “Importance of C h i S tC h i S tComprehensive System Comprehensive System Design for FRP Piping”Design for FRP Piping”
Presented By:Presented By:Jeffrey D. Eisenman, P.E.Jeffrey D. Eisenman, P.E.
Maverick Applied ScienceMaverick Applied ScienceThe Leader in FRP EngineeringThe Leader in FRP Engineeringg gg g
Over 100 years Combined Design Over 100 years Combined Design ExperienceExperience
Over 180 years Combined Fabrication Over 180 years Combined Fabrication and Inspection Experienceand Inspection Experience
Complete Knowledge of Composite Complete Knowledge of Composite Materials for Corrosive ApplicationsMaterials for Corrosive ApplicationsWe have the Best Analysis ToolsWe have the Best Analysis Tools We have the Best Analysis ToolsWe have the Best Analysis Tools
We Learn More Every Day!We Learn More Every Day!
3
Engineering CapabilitiesEngineering Capabilities
Material and System SpecificationMaterial and System Specification Material and System SpecificationMaterial and System Specification FRP Equipment DesignFRP Equipment Design FRP System Arrangement (CAD)FRP System Arrangement (CAD)
Detailed Enginee ingDetailed Enginee ing Detailed EngineeringDetailed Engineering Pipe Stress AnalysisPipe Stress Analysis Finite Element AnalysisFinite Element Analysis
B i l D iB i l D i Burial DesignBurial Design Pipe Support and Structural DesignPipe Support and Structural Design
4
Application:Application:WESP Exhaust Gas Duct SystemWESP Exhaust Gas Duct System
5
Application:Application:Desalination and Seawater CoolingDesalination and Seawater Cooling
6
Application: FRP Chemical Process PipingApplication: FRP Chemical Process Piping
7
Application: Large Diameter Field Fabricated Application: Large Diameter Field Fabricated FRP Process VesselsFRP Process Vessels
8
Application: Large Diameter Application: Large Diameter FRP Ducts and Chimney FRP Ducts and Chimney
LinersLinersLinersLiners
9
Where is FRP Used?Where is FRP Used?
PROCESS SYSTEMSPROCESS SYSTEMS•• Corrosive Fluids (Acids and Alkali)Corrosive Fluids (Acids and Alkali)•• Abrasive Applications (Slurry)Abrasive Applications (Slurry)•• 150 PSI or less150 PSI or less•• 250250°°F or lessF or less
WHY SHOULD WE ANALYZE IT?WHY SHOULD WE ANALYZE IT?
10
FAILURES ARE EXPENSIVE…..FAILURES ARE EXPENSIVE…..
and and PREVENTABLEPREVENTABLE!!
11
ALL MATERIALS DO NOT ALL MATERIALS DO NOT BEHAVE THE SAME IN A BEHAVE THE SAME IN A
SYSTEM?SYSTEM?
HOW ARE THEY DIFFERENT?HOW ARE THEY DIFFERENT?
12
Material ComparisonMaterial Comparison
60000
84000
60,000
70,000
80,000
90,000
Tensile Strength
18000
36000
1600020,000
30,000
40,000
50,000
PS
I
2200
0
10,000
HDPE FW Axial FW Hoop Aluminum CS SS 316
13
Material ComparisonMaterial Comparison
29.528.3
25
30
35
Modulus of Elasticity at 70°F
28.827.7
25
30
35
Modulus of Elasticity at 180°F
0.171.4
10.2
5
10
15
20
PS
I×1
06
0.01.2
9.8
5
10
15
20
PS
I×1
06
0HDPE FW Aluminum CS SS 316
0 00
HDPE FW Aluminum CS SS 316
14
Material ComparisonMaterial Comparison
80.080
100
120
F)
Coefficient of Thermal Expansion at 70°F
100.0
80
100
120
F)Coefficient of Thermal Expansion at 180°F
13.0 13.36.1 8.9
20
40
60
μin
/(i
n×
°F
18.014.0
6.4 9.220
40
60
μin
/(i
n×
°F
0HDPE FW Aluminum CS SS 316
0HDPE FW Aluminum CS SS 316
15
An Example: An Example: Equivalent Thermal Expansion Equivalent Thermal Expansion
GeometryGeometry GeometryGeometry•• In In line componentsline components•• Support locationsSupport locations•• SIFsSIFs•• Pipe Pipe Support StiffnessSupport Stiffness•• Equipment MovementsEquipment Movements
•• Construction (HLU, FW)Construction (HLU, FW)Ph i l P tiPh i l P ti•• Physical PropertiesPhysical Properties
•• CTECTE Design ConditionsDesign Conditions
Load CasesLoad Cases Load CasesLoad Cases
27
Design and Analysis Considerations
G tG t GeometryGeometry MaterialMaterial Design ConditionsDesign Conditions
Fl id (Li id SG)Fl id (Li id SG)•• Fluid (Liquid, gas, SG)Fluid (Liquid, gas, SG)•• PressurePressure•• TemperatureTemperature•• Occasional LoadsOccasional Loads•• Occasional LoadsOccasional Loads
Load CasesLoad Cases
28
Design and Analysis Considerations
G tG t GeometryGeometry MaterialMaterial Design ConditionsDesign Conditions
Transition Points can make Stress Transition Points can make Stress ConcentrationsConcentrations
31
The Purpose of the Pipe Supports:
Protect the PipeProtect the Pipe Assure Proper RestraintAssure Proper Restraint Assure Proper RestraintAssure Proper Restraint Assure System FunctionalityAssure System Functionality
32
CustomCustom--Designed SupportsDesigned Supports
33
Supports should be evaluated for Supports should be evaluated for Stress and Stiffness!Stress and Stiffness!
34
Support Stress!Support Stress!
35
Support StiffnessSupport Stiffness??
36
InspectionInspection
InIn--process Shop process Shop QualityQuality ControlControl
On site Quality On site Quality AssuranceAssurance
37
In Process Quality ControlIn Process Quality Control