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Failure Pressure Prediction Of Pipelines Steel In The Presence Of Corrosion Defects And Pre Strain
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Book Synopsis Failure Pressure Prediction of Pipelines Steel in the Presence of Corrosion Defects and Pre-strain by : Prakash Raj Subramaniam
Download or read book Failure Pressure Prediction of Pipelines Steel in the Presence of Corrosion Defects and Pre-strain written by Prakash Raj Subramaniam and published by . This book was released on 2013 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This projects explains the methods used in predicting the failure pressure of defective pipelines. The failure pressure of defective was estimated for the pipe with the different types of defects. APIX42 steel is chosen for this studies and it must undergoes few machining steps to design a tensile test specimen according to ASTM E8-08M-11. Data obtained from tension test (engineering stress strain) must convert into true stress strain in order to transfer it during simulation (field). Power law is the formula used to convert engineering stress strain to true stress strain. Ultimate strength of APIX42 is predicted at 612 MPa. For modelling part, one quarter of pipeline geometry need to design in MSCPatran software. This study is only focussed on single type of defect. Meshing (element) steps continues after one quarter of geometry is designed. Modelling and simulation is repeated for the different depth (25%, 50% and 75%) of defects and increment in pre-strain. Result obtained after the simulation process must be interpolated to get more accurate failure pressure. Predicted failure pressure is higher for pipeline without presence of pre-strain. Pipeline with the presence of pre-strain, predicted failure pressure is reducing as the amount of pre-strain applied is increases. Three industry models are compared with the finite element result (FEA) for validation. For the lower depth, FEA failure prediction is the highest followed by DNV-RP-F101. ASME B31G and Modified B31G predicted almost same failure pressure but less than FEA and DNV-RPF101. When the depth increases, DVN-RP-F101 predicted higher value of burst pressure compared to FEA. Whereas Modified B31G and ASME B31G predicted lower failure pressure but getting closer to FEA and DVN-RP-F101. The same phenomena happened when various amount of pre-strain (1kN, 3kN and 5kN) applied, but predicted failure pressure is lower than without pre-strain. By referring to the result, presence of pre-strain is really effected value of failure pressure. Increase in pre-strain will cause losing balance strength in pipelines and leads failure in short time compare to pipelines without pre-strain.
Book Synopsis Defect Assessment for Integrity Management of Pipelines by : Y. Frank Cheng
Download or read book Defect Assessment for Integrity Management of Pipelines written by Y. Frank Cheng and published by John Wiley & Sons. This book was released on 2024-04-02 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: DEFECT ASSESSMENT FOR INTEGRITY MANAGEMENT OF PIPELINES Make energy pipelines safer by improved defect assessment for integrity management Pipelines provide an effective and efficient mode for transportation of energies, including both conventional fossil fuels and renewable energies and fuels such as hydrogen, biofuels and carbon dioxide, over wide ranges and long distances, meeting economic development and civilian needs. While the integrity and safety of in-service pipelines is paramount to pipeline operators, there are many factors which can adversely affect the pipeline integrity and potentially result in pipeline failures and, sometimes, serious consequences. Defect Assessment for Integrity Management of Pipelines provides a thorough and detailed overview of various techniques that can be used to assess corrosion defects, the most common defects on pipelines, and other mechanical defects such as dents, buckles and winkles, all of which constitute essential threats to pipeline integrity. In addition to widely used standards and codes for defect assessment, readers can obtain the latest progress in development of advanced techniques for improved accuracy in defect assessment. From early-stage Level I methods to the newest Level III method integrating with the mechano-electrochemical interaction, Defect Assessment for Integrity Management of Pipelines has everything you need to improve safety of your pipelines. Defect Assessment for Integrity Management of Pipelines readers will also find: Evolution of defect assessment techniques and limitations to be overcome with improved techniques Detailed analysis of defect assessment for determination of fitness-for-service of the pipelines, and prediction of their failure pressures Both theoretical and practical aspects of the defect assessment methods applied on pipelines Defect Assessment for Integrity Management of Pipelines is ideal for pipeline professionals, researchers and graduate students to improve personal knowledge, research expertise, and technical skills.
Book Synopsis Stress Corrosion Cracking of Pipelines by : Y. Frank Cheng
Download or read book Stress Corrosion Cracking of Pipelines written by Y. Frank Cheng and published by John Wiley & Sons. This book was released on 2013-02-19 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains why pipeline stress corrosion cracking happens and how it can be prevented Pipelines sit at the heart of the global economy. When they are in good working order, they deliver fuel to meet the ever-growing demand for energy around the world. When they fail due to stress corrosion cracking, they can wreak environmental havoc. This book skillfully explains the fundamental science and engineering of pipeline stress corrosion cracking based on the latest research findings and actual case histories. The author explains how and why pipelines fall prey to stress corrosion cracking and then offers tested and proven strategies for preventing, detecting, and monitoring it in order to prevent pipeline failure. Stress Corrosion Cracking of Pipelines begins with a brief introduction and then explores general principals of stress corrosion cracking, including two detailed case studies of pipeline failure. Next, the author covers: Near-neutral pH stress corrosion cracking of pipelines High pH stress corrosion cracking of pipelines Stress corrosion cracking of pipelines in acidic soil environments Stress corrosion cracking at pipeline welds Stress corrosion cracking of high-strength pipeline steels The final chapter is dedicated to effective management and mitigation of pipeline stress corrosion cracking. Throughout the book, the author develops a number of theoretical models and concepts based on advanced microscopic electrochemical measurements to help readers better understand the occurrence of stress corrosion cracking. By examining all aspects of pipeline stress corrosion cracking—the causes, mechanisms, and management strategies—this book enables engineers to construct better pipelines and then maintain and monitor them to ensure safe, reliable energy supplies for the world.
Book Synopsis The Effect of Corrosion Defects on Burst Pressure of Pipelines by : Khairul Anwar Ibrahim
Download or read book The Effect of Corrosion Defects on Burst Pressure of Pipelines written by Khairul Anwar Ibrahim and published by . This book was released on 2012 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: The predictions of pipeline burst pressure in the early stage are very importance in order to provide assessment for future inspection, repair and replacement activities. The failure of oil and gas pipelines contribute to economic implications and also constitute a serious hazards to the environment due to leakage. This thesis deals with the study on the effect of corrosion defect on the burst pressure of pipelines for API 5L X42 steel. The objectives for this project are to determine the burst pressure of corroded pipelines using Finite Element Analysis (FEA) and to compare the results with the available pipelines design code. This project implicates analysis of the API X42 steel by using MSC Patran 2008 r1 software as pre-processor and MSC Marc 2008 r1 software as a solver. A quarter of pipe was simulated by fully applying the symmetrical condition. The pipe is modeled in 3-D with outer diameter of 60 mm, wall thickness of 6 mm and different defect parameters. In this analysis, stress modified critical strain used as failure criterion to predict the failure of defective pipe. Result shows that the burst pressure decreases when both defect depth and length increases. The defect depth appear as a most influence parameter that affect the burst pressure. The circumferential extent has a less influence on the burst pressure. The results have been compared to available design codes for corroded pipelines such as ASME B31G, Modified ASME B31G and DNV RP F101. Comparison with available design codes have shown that FEA burst pressure gives higher values compare to codes. From the results, ASME B31G gives the lowest values than other codes.
Download or read book ICPER 2020 written by Faiz Ahmad and published by Springer Nature. This book was released on 2022-10-03 with total page 997 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains papers presented in the 7th International Conference on Production, Energy and Reliability (ICPER 2020) under the banner of World Engineering, Science & Technology Congress (ESTCON2020) held from 14th to 16th July 2020 at Borneo Convention Centre, Kuching, Malaysia. The conference contains papers presented by academics and industrial practitioners showcasing their latest advancements and findings in mechanical engineering areas with an emphasis on sustainability and the Industrial Revolution 4.0. The papers are categorized under the following tracks and topics of research: IoT, Reliability and Simulation Advanced Materials, Corrosion and Autonomous Production Efficient Energy Systems and Thermofluids Production, Manufacturing and Automotive
Book Synopsis Corrosion and Reliability Assessment of Inspected Pipelines by : Rafael Amaya-Gómez
Download or read book Corrosion and Reliability Assessment of Inspected Pipelines written by Rafael Amaya-Gómez and published by Springer Nature. This book was released on 2023-11-20 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the most up-to-date, advanced methods and tools for risk assessment of onshore pipelines. These methods and tools are based primarily on information collected from ILI measurements and additional information about the soil surrounding the pipeline. The book provides a better understanding how the defects grow and interact (repulsion or attraction) and their spatial variability. In addition, the authors contemplate new defects that evolve between inspections and how they could affect the pipeline's reliability. A real-world case is presented to reinforce the concepts presented in the book. The book is structured into three parts: i) an introduction to onshore pipelines and the problem of corrosion, ii) a framework that deals with uncertainty for integrity programs for corroded pipelines, and iii) the applications of the methods presented in the book. The book is ideal for researchers and field engineers in oil and gas transportation and graduate and undergraduate engineering students interested in pipeline reliability assessments, spatial variability, and risk-based inspections.
Book Synopsis Pipeline Inspection and Health Monitoring Technology by : Hongfang Lu
Download or read book Pipeline Inspection and Health Monitoring Technology written by Hongfang Lu and published by Springer Nature. This book was released on 2023-01-03 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes six chapters aiming to introduce global pipeline inspection and health monitoring technologies comprehensively. The pipeline is the blood vessel of the energy system and a vital lifeline project. After many years of service, the pipeline gradually enters the aging stage. Pipeline inspection and health monitoring can effectively reduce the failure and accident risks of the pipeline, and it is conducive to integrity management. Through case analysis, practitioners can have a deeper understanding of the application of related technologies.
Book Synopsis Safety, Reliability and Risks Associated with Water, Oil and Gas Pipelines by : Guy Pluvinage
Download or read book Safety, Reliability and Risks Associated with Water, Oil and Gas Pipelines written by Guy Pluvinage and published by Springer Science & Business Media. This book was released on 2007-10-25 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Springer has here produced a major debut in English-language publications. It’s the first book to describe very recent methods for pipe defect assessment such as notch fracture mechanics and critical gross strain. Pipelines remain the least expensive transcontinental mean of transport compared to the rail-bound or terrestrial transport. It has become increasingly paramount to ensure the safe utilization of such plant in order to prevent economical, social and ecological losses. This book adds much to the body of knowledge in this area.
Book Synopsis Numerical Analysis on Failure Pressure of Pipelines with Multi-corroded Region by : Yew Keong Ng
Download or read book Numerical Analysis on Failure Pressure of Pipelines with Multi-corroded Region written by Yew Keong Ng and published by . This book was released on 2013 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt: The underground gas pipeline is vulnerable which can explode any time. The percentage of the pipeline fails due to the pressure may cause fatal destruction. Hence, the predictions of pipeline burst pressure in the early stage are very important in order to provide assessment for future inspection, repair and replacement activities. This thesis is to study the effect of multiple corrosion defects on failure pressure for API X42 steel and validate the results with available design codes. The project implicates analysis by using MSC Patran 2008 r1 software as a pre-processor and MSC Marc 2008 r1 software as a solver. Half of the pipe was simulated by fully applying symmetrical condition. The pipe is modeled in 3-D with outer diameter 381 mm, wall thickness of 17.5 mm and different defect parameter. In this analysis, SMCS and von Mises stress used to predict the failure pressure. The result shows that the failure pressure increases when the distance between defect increases but decreases when the defect length increases. SMCS always shows a higher value compared to von Mises. The design codes applied only when the distance between defect is small enough that multiple defects acts as a single defect. Meanwhile, value of FEA is the highest among all the design codes.
Book Synopsis Integrity of Pipelines Transporting Hydrocarbons by : Gabriella Bolzon
Download or read book Integrity of Pipelines Transporting Hydrocarbons written by Gabriella Bolzon and published by Springer Science & Business Media. This book was released on 2011-05-12 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes technical and practical aspects of pipeline damage. It summarizes the phenomena, mechanisms and management of pipeline corrosion in-service. The topics discussed include pipelines fracture mechanics, damage mechanisms and evolution, and pipeline integrity assessment. The concept of acceptable risk is also elucidated and the future application of new knowledge management tools is considered.
Book Synopsis Degradation Assessment and Failure Prevention of Pipeline Systems by : Gabriella Bolzon
Download or read book Degradation Assessment and Failure Prevention of Pipeline Systems written by Gabriella Bolzon and published by Springer Nature. This book was released on 2020-09-10 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the results of the research project G5055 'Development of novel methods for the prevention of pipeline failures with security implications,' carried out in the framework of the NATO Science for Peace and Security program, and explores the lifecycle assessment of gas infrastructures. Throughout their service lives, pipelines transporting hydrocarbons are exposed to demanding working conditions and aggressive media. In long-term service, material aging increases the risk of damage and failure, which can be accompanied by significant economic losses and severe environmental consequences. This book presents a selection of complementary contributions written by experts operating in the wider fields of pipeline integrity; taken together, they offer a comprehensive portrait of the latest developments in this technological area.
Book Synopsis Defect Assessment for Integrity Management of Pipelines by : Y. Frank Cheng
Download or read book Defect Assessment for Integrity Management of Pipelines written by Y. Frank Cheng and published by John Wiley & Sons. This book was released on 2024-01-31 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: DEFECT ASSESSMENT FOR INTEGRITY MANAGEMENT OF PIPELINES Make energy pipelines safer by improved defect assessment for integrity management Pipelines provide an effective and efficient mode for transportation of energies, including both conventional fossil fuels and renewable energies and fuels such as hydrogen, biofuels and carbon dioxide, over wide ranges and long distances, meeting economic development and civilian needs. While the integrity and safety of in-service pipelines is paramount to pipeline operators, there are many factors which can adversely affect the pipeline integrity and potentially result in pipeline failures and, sometimes, serious consequences. Defect Assessment for Integrity Management of Pipelines provides a thorough and detailed overview of various techniques that can be used to assess corrosion defects, the most common defects on pipelines, and other mechanical defects such as dents, buckles and winkles, all of which constitute essential threats to pipeline integrity. In addition to widely used standards and codes for defect assessment, readers can obtain the latest progress in development of advanced techniques for improved accuracy in defect assessment. From early-stage Level I methods to the newest Level III method integrating with the mechano-electrochemical interaction, Defect Assessment for Integrity Management of Pipelines has everything you need to improve safety of your pipelines. Defect Assessment for Integrity Management of Pipelines readers will also find: Evolution of defect assessment techniques and limitations to be overcome with improved techniques Detailed analysis of defect assessment for determination of fitness-for-service of the pipelines, and prediction of their failure pressures Both theoretical and practical aspects of the defect assessment methods applied on pipelines Defect Assessment for Integrity Management of Pipelines is ideal for pipeline professionals, researchers and graduate students to improve personal knowledge, research expertise, and technical skills.
Book Synopsis Defects and Failures in Pressure Vessels and Piping by : Helmut Thielsch
Download or read book Defects and Failures in Pressure Vessels and Piping written by Helmut Thielsch and published by Krieger Publishing Company. This book was released on 1975 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Failure Pressure Prediction of Crack-in-corrosion Defects in Natural Gas Transmission Pipelines by : Badr Bedairi
Download or read book Numerical Failure Pressure Prediction of Crack-in-corrosion Defects in Natural Gas Transmission Pipelines written by Badr Bedairi and published by . This book was released on 2010 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this study was to use the finite element method to model crack, corrosion, and Crack-in-Corrosion defects in a pipeline.
Book Synopsis Tree Biotechnology by : Kishan Gopal Ramawat
Download or read book Tree Biotechnology written by Kishan Gopal Ramawat and published by CRC Press. This book was released on 2014-04-01 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest trees cover 30% of the earth's land surface, providing renewable fuel, wood, timber, shelter, fruits, leaves, bark, roots, and are source of medicinal products in addition to benefits such as carbon sequestration, water shed protection, and habitat for 1/3 of terrestrial species. However, the genetic analysis and breeding of trees has lagged behind that of crop plants. Therefore, systematic conservation, sustainable improvement and pragmatic utilization of trees are global priorities. This book provides comprehensive and up to date information about tree characterization, biological understanding, and improvement through biotechnological and molecular tools.
Book Synopsis Manual for Determining the Remaining Strength of Corroded Pipelines by : American Society of Mechanical Engineers
Download or read book Manual for Determining the Remaining Strength of Corroded Pipelines written by American Society of Mechanical Engineers and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Burst Pressure of Defective Steel Pipes Using Finite Element Analysis by : Mohamad Zulfadli Mohamad Rani
Download or read book Determination of Burst Pressure of Defective Steel Pipes Using Finite Element Analysis written by Mohamad Zulfadli Mohamad Rani and published by . This book was released on 2012 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with assessment of defective API 5L X65 steel pipes which are widely used in product transportation in oil and gas industry. The objective of the thesis is to determine the burst pressure of defective API X65 steel pipes under the effect of gouge length for different pipe diameter. The thesis describes the finite element analysis techniques to predict the true fracture and identify the critical locations of the structures (pipe). One-quarter three-dimensional solid modelling of steel pipe was developed using the MSC Patran 2008r1 that act as a pre-processor. The finite element analysis was then performed using MSC Marc. The finite element model of the pipe was analyzed using the non-linear isotropic elasto-plastic material that obeys the incremental of plastic theory. The values of principal stresses and strains acted on the critical location of gouge defect had been obtained by MSC Patran as a post-processor. The values were used to determine the true fracture strain which is known to be exponentially dependent to the stress triaxiality. Finally, burst pressure was determined as the true fracture strain exceeds the value of equivalent strain at that instant point. Based on the results, it is observed that the analysis using SMCS model yields more conservative burst pressure prediction. The obtained results indicate that the shorter gouge length would gives higher burst pressure which means, higher pressure needed as the pipe to experience failure at the gouge defect area. Result shows that the burst pressure decreases with increment of pipe diameter. The results concluded that the shorter gouge length and smaller pipe diameter conditions give the highest pressure value of pipe burst. Therefore, the defect characteristic is the promising criteria to increase the fitness of service of the pipe.
