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Technical papers are available from APTECH.
Contact Kevin Hara or Terry Rettig for more information or copies. Email us with your request using the above links or call APTECH Engineering Services, Inc. at (408) 745-7000 . |
TP Number |
Technical Paper Title |
TP001 |
Advances in Piping Analysis and Life Assessment for Pressure Vessels and Piping |
TP002 |
Analysis Methods for Evaluating Leak-Before-Break in U-Tube Steam Generators |
TP003 |
Analysis of a Compressor-Wheel Failure |
TP007 |
Application of Leak-Before-Break Analysis Methods To Primary System Bolted Closures |
TP009 |
The Aptech Proprietary Report On Hydrogen Water Chemistry |
TP010 |
A Probabilistic Fracture Mechanics Evaluation of a Flawed Butane Storage Tank |
TP011 |
MIC Failure Analysis (Reprint from Materials Performance Vol. 33, No. 4) |
TP012 |
Assuring Increased Reliability of Superheater and Reheater Tubing and Headers by Optimization of Steam Side and Gas Side Temperatures |
TP013 |
Boiling Water Reactor Intergranular Stress Corrosion Cracking - Flaw Shape and Life Predictions |
TP014 |
Characterization and Analysis of Pitting Corrosion/Corrosion Fatigue Failures in Waterwall Tubes in Fossil Fueled Boilers |
TP016 |
Cost Effective High Energy Piping Life Assurance |
TP017 |
Creep Damage and Remaining Life Assessment of Superheater and Reheater Tubes |
TP018 |
A Methodology to Measure the Impact of Cyclic Operations and Power Derations on Plant Life and Reliability |
TP019 |
Degradation, Condition Assessment, and Life Assessment of Boiler Tubes |
TP020 |
Description of the Computer Program "BALIFE" |
TP021 |
Developing Suitability-For-Service Criteria for Degraded Components Using Tolerable Flaw Diagrams |
TP022 |
Dimensionless Damage Approach to Fatigue Crack Growth |
TP023 |
Economic Tradeoffs Among Load, Life, and Reliability of Power Plant Equipment |
TP024 |
Condition Assessment of Expansion Joints & Supports |
TP025 |
Stress Intensity Factor Approximations For Cracks Located At Thread Root Region of Fasteners |
TP026 |
P.T. Badak Liquefied Natural Gas Plant Sea Water Cooling System Remaining Useful Life (RUL) Assessments |
TP027 |
EPRI Workshop on Steam Turbine Casings |
TP028 |
Evaluating The Contribution of Corrosion in Fatigue Failures |
TP030 |
Life Cycle Management of Aging Plant Equipment to Assure Mechanical Integrity |
TP032 |
Computational Method to Perform the Flaw Evaluation Procedure as Specified in the ASME Code, Sect. XI, Appendix A |
TP033 |
Boiler Heat Transfer Model (technical description) |
TP034 |
Failure Rate Predictions for High Temperature Aircraft Engine Blades with Defects and Vibration Problems |
TP035 |
Field Evaluation of Cofiring Gas with Coal for Quantifying Operational Benefits and Emissions Trim in a Utility Boiler |
TP036 |
Fitness-For-Service Assessment of Environmentally-Assisted Corrosion and Cracking in a Refinery Mixed Butane Storage Tank |
TP038 |
Future Trends & Open Problems in NDE Engineering - An Analysts View |
TP039 |
High Energy Steam Line Examinations - A Realistic Approach |
TP040 |
Life Management of High Energy Piping Girth Welds |
TP041 |
APTECH's Hydrogen Water Chemistry Assistant (HWCA): Tutorial and Predictive Software For Hydrogen Water Chemistry |
TP042 |
An Engineering Evaluation of Service Degraded 316N Main Steam Piping Weldments |
TP043 |
Improved Superheater Component Longevity by Steam Flow Redistribution |
TP044 |
Aptech's Technical Support for Independent Plant Extreme Events Evaluations (IPEEE) |
TP047 |
Assessment of Remaining Useful Life of Ships Service Turbine Generator Steam Chests |
TP048 |
A Life Assurance Program for High Energy Steam Lines |
TP049 |
Life Management for Fossil Power Systems |
TP050 |
City of Austin Generation Reliability Improvement Program (GRIP) |
TP051 |
EPRI's BTF Metallurgical Guide For The Identification and Correction Of Cycle Chemistry-Influenced Damage |
TP052 |
Mathematical Simulation of Thermal Displacements for a Steam Piping System in the Material Creep Regime |
TP053 |
Methodology for Assessing the Remaining Useful Life of Critical Coal-Fired Power Plant Components |
TP054 |
Economically Optimize Power Plant Cycling Costs, Life, and Reliability |
TP055 |
Oxidation of Boiler Tubing |
TP057 |
Penstock Failure Evaluation and Support Redesign |
TP058 |
Predictive Modeling and Strategic Planning to Manage PWSCC of Alloy 600 in PWRS |
TP059 |
Pressure Vessel Inspection Criteria Based on Fitness-for-Purpose Assessment |
TP061 |
Probabilistic Boiler Tube Failure Forecasting |
TP062 |
Progress Towards On-Line Surveillance of Corrosion Behavior in Service Water Systems |
TP065 |
Cycling Cost Assessment Project |
TP066 |
Reference Toughness Curves for Moderately High Yield Strength Pressure Vessel Steels and Lower Strength Pressure Vessel, Piping, and Structural Steels |
TP067 |
A Reheat Outlet Header Inspection Methodology |
TP069 |
Effect of Cycling and Unit Operating Limits on Fossil Plant Production Cost and Availability |
TP070 |
Remaining Life of High-Energy Piping Systems Using Equivalent Stress |
TP071 |
Life Assessment of Superheater/Reheater Tubes in Fossil Boilers |
TP072 |
ASME Significance of Centerline Lack-of-Penetration Defects in Double Seam-Welded SA-312 Pipe |
TP073 |
The Significance of Defects in Welded Long-Span Bridge Structures |
TP074 |
Significance of Defects in Wide Flange Beams in the Limerick Generating Station Units 1 and 2 |
TP075 |
SO2 and Particulate Emissions Reduction in a Pulverized Coal Utility Boiler Through Natural Gas Cofiring |
TP076 |
Sources of Common Cause Failures in Decision-Making Involved in Man-Made Catastrophes |
TP077 |
Stress Analysis and Remaining Useful Life Methodology for Steamlines and Headers |
TP078 |
Example of an APTECH Boiler Heat Transfer and Circulation Study |
TP079 |
Phosphate Treatment: Boiler Tube Failures Lead To Optimum Treatment |
TP080 |
High Energy Inspection of Steam Lines Without Removing the Insulation |
TP081 |
TubeMod — A Method for Extending Life and Reliability of Superheaters and Reheaters |
TP082 |
Risk Assessment of a Deep Sea Pipeline |
TP083 |
Evaluation of Limit Stop User Input Errors in Piping Flexibility Analyses |
TP085 |
Using BNA to Guide Boiler Condition Assessments |
TP086 |
Water Hammer Conservatisms |
TP087 |
Waterhammer Damage Caused by Vacuum |
TP088 |
Guidelines for the Condition Assessment and Remaining Useful Life of Power Plant Turbine/Generators |
TP089 |
Steam Generator Engineering Services |
TP090 |
Sensitivity of Typical Temperature or Stress Variations on the Remaining Life of High Energy Piping Systems (Presented at 1993 ASME Pressure Vessels and Piping Conference, Denver, Colorado) |
TP091 |
PWSCC Prioritization Methodology, Life Prediction, and Strategic Planning |
TP092 |
Prediction of Creep Life Exhaustion in High Energy Piping System Girth Welds |
TP093 |
True Cost of Cycling Enhances the Value of Dispatchable Hydro |
TP094 |
Minimizing the Life Cycle Costs Attributed to Boiler Tubing in Fossil-Fueled Plants |
TP095 |
Technical Basis for the Revised Stress Intensity Factor Equation for Surface Flaws in ASME Section XI Appendix A |
TP096 |
Another View of R&D Champions - The Dark Side |
TP097 |
TubeMod Technology for Reduction of Tube Failures |
TP098 |
Economics of Cycling 101: What Do You Need to Know About Cycling Costs and Why? |
TP099 |
TubeMod Analysis Saves Capital Expense of Reheater Replacement and Removes Heat Rate Penalty on a 624 MW Coal-Fired Unit |
TP100 |
Long-Term Damage Management Strategies for Optimizing Steam Generator Performance |
TP101 |
The Ship Owner’s Problem: Remaining Useful Life |
TP102 |
Autorefrigeration Qualifications Package |
TP103 |
Failure Analysis and In-Service Experience – Steam Turbines (from the ASME Handbook on Water Technology for Thermal Power Systems) |
TP104 |
Estimating the Total Cost of Cycling Operations at the Los Angeles Department of Water and Power, Haynes Generating Station Unit 5 |
TP106 |
Mechanical Integrity and Piping Systems — A Comprehensive Approach |
TP107 |
Reducing the Cost of Reexaminations in High Energy Piping Systems (presented at Power-Gen International ‘96) |
TP108 |
Risk-Based Mechanical Integrity: Its Impact on Environmental, Health and Safety; and Process Safety Management |
TP109 |
Plant Maintenance Improvements Using Risk and Reliability Tools |
TP110 |
Nonintrusive Inspection for Flow-Accelerated Corrosion Detection |
TP111 |
Application of Decision Analysis to Arbitrate Failure Responsibility |
TP112 |
Extending Time Between Equipment Overhauls |
TP113 |
Failure to Achieve Hot Section Component Service Intervals — Why and What to Do About It |
TP114 |
High Energy Piping Reexaminations Fewer Locations -- Higher Confidence |
TP115 |
Steam Flow Redistribution for Extending Life and Reliability of Superheaters and Reheaters |
TP116 |
Risk Assessment Method for LP Disc Attachments with Stress Corrosion Cracking |
TP117 |
The Cognac Fatigue Experiment |
TP118 |
INCOTEST Projects in the United States for the Detection of Flow-Accelerated Corrosion |
TP119 |
Pulsed Eddy Current Projects for the Detection of Flow-Accelerated Corrosion |
TP120 |
Calculating Remaining Useful Life of Ships |
TP121 |
Creep Relaxation behavior of High Energy Piping |
TP122 |
Safe-Life Evaluation and Repair Acceptance Criteria for Dovetail Cracking in Low Pressure Rotors |
TP123 |
Optimizing Power Plant Cycling Operations While Reducing Generating Plant Damage and Costs at the Irish Electric Supply Board |
TP124 |
Variability And Statistical Bounds Of The Strength And Fracture Toughness Of Common Structural Steel Shapes And Weld Metals Used In Welded Steel Moment Frame Connections In Building Construction |
TP125 |
Engineering Evaluations of Column Continuity Plate Detail Design and Welding Issues in Welded Steel Moment Frame Connections |
TP126 |
What are Today’s choices for PWR ’s Water Chemistry |
TP127 |
Predicting, Examining, and Evaluating FAC in US Power Plants |
TP128 |
Power Plant Asset Market Evaluations: Forecasting the Cost of Power Production |
TP129 |
Comparison of Flow-Accelerated Corrosion Prediction and Field Measurement Results |
TP130 |
Metallurgical Case Studies in Common HRSG Damage Mechanisms |
TP131 |
Risk Based Inspection Study of Slaughter Gas Plants |
TP132 |
The TransAlta High Energy Piping Program - A Five-Year History (tobe presented 7/00) |
TP133 |
Experience in Cycling Cost Analysis of Thermal Power Plants in North America and Europe |
TP134 |
Power Plant Cycling Operations and Unbundling Their Effect on Plant Heat Rate |
TP135 |
Effect of Operation Temperature on Life Consumption for 1¼Cr-½Mo-Si and 2¼Cr-1Mo Materials |
TP136 |
Power Plant Operations and Cost Optimization Using Real-Time Cost Analysis Tools |
TP137 |
Case History of Solidiation Cracks in 2-1/4Cr-1Mo Low Carbon Welds - Cholla Unit 2 |
TP138 |
Creep Life Prediction For High Energy Piping Girth Welds Case History - Cholla, Unit 2 |
TP139 |
Electric Power Research Institute's Heat Recovery Steam Generator Tube Failure (HTF) Manual |
TP140 |
Flow Accelerated Corrosion in Heat Recovery Steam Generator Low Pressure Sections |
TP141 |
Duke Energy North America Moss Landing Power Plant Units 6 & 7 Reliability Upgrades and Unit Cycling Analysis |
TP142 |
Comparison of a Life Consumption Analysis to Section III, Subsection NH Design Rules for a Main Steam Girth Weld Creep Crack |
TP143 |
Case Studies of Pulsed Eddy Current to Measure Wall Loss in Feedwater Heater Shells |
TP144 |
Impacts of Low NOX Modifications on Boilers with Emphasis on DNB |
TP145 |
Application of Advanced Ultrasonic Technology to Measure Internal Deposit Thickness for Boiler Waterwall Tubes in Thermal Power Plants |
TP146 |
Ultrasonic Technique for Measuring Waterwall Deposit Thickness |
TP147 |
Energy Storage Systems (ESS) Provide Significant Added Value by Reducing the Cycling Costs of Conventional Generation |
TP148 |
True Cost of Cycling Power Plants Enhances the Value of Compressed Air Energy Storage (CAES) Systems |
TP149 |
Fabrication, Construction, and Operation Problems for Grade 91 Fossil Power Components |
TP150 |
EPRI’s Guidelines for the Remaining Life Assessment of Austenitic Stainless Steel Superheater and Reheater Tubing |
TP151 |
Using Real Time Temperature, Stress, and Flow Readings to Determine Equipment Damage, Maintenance Costs, and Operational Strategy in Power Plants |
TP152 |
Remaining Life Assessment of Austenitic Stainless Steel
Superheater and Reheater Tubing Subject to Longterm Overheat-Creep |
TP153 |
HRSG Dependability |
TP154 |
EPRI's Guidelines for the Remaining Life Assessment of
Austenitic Stainless Steel Superheater and Reheater Tubing |
TP155 |
Evaluation of Long-term Overheat Creep Failures of SA213 T91
Superheater Tubes at AEP's Glen Lyn Plant |
TP156 |
Creep Rupture Properties of Grade 91 Weldments |
TP157 |
Oxide Exfoliation of 347HFG in High Temperature Boilers |
TP158 |
Life Management Projects for Three Main Steam Piping Systems
TP159 A Strategy for Life Management of Main Steam and Hot Reheat Piping Systems |
TP159 |
A Strategy for Life Management of Main Steam and Hot Reheat Piping Systems |
TP160 |
An Estimator for the Influence of Service Temperature on Creep Rupture Life |
TP161 |
Life Management of Main Steam and Hot Reheat Piping Systems Part 1 |
TP162 |
Life Management of Main Steam and Hot Reheat Piping Systems Part 2 |
TP163 |
Equipment Life Optimization Program (ELOP) Helps Plants Compete By Maximizing Maintenance Efficiencies |
TP164 |
Case History of Solidification Cracks in 2-1/4Cr - 1Mo Low Carbon Welds – Cholla Unit 2 |
TP165 |
Comparison of a Life Consumption Analysis to Section III, Subsection NH Design Rules for a Main Steam Girth Weld Creep Crack |
TP166 |
Reduction of Slagging and Fouling of Waterwalls at the End of the Firebox, Superheater, and Reheater of Pulverized Coal-fired Boilers |
TP167 |
The Real Cost Implications of On/Off Cycling Combined Cycle Power Plants |
TP168 |
Evaluation of Short and Long-Term Creep Rupture Properties for Grade P91 Materials |
TP169 |
Cost Effective Method of Controlling Slagging and Fouling in Coal-Fired Utility Boilers |
TP170 |
Using Real -time Cost of Cycling and Damage to Optimize Plant Performance |
TP171 |
Enhancing Life and Reliability of Existing Superheaters and Reheaters, Seventeen Years of Performance |