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Artículos de revistas sobre el tema "Configuration en pipeline"

Autor: Grafiati

Publicado: 25 de mayo de 2024

Última modificación: 31 de julio de 2025

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1

WANG, CHENG, and HOWARD M. HEYS. "PERFORMANCE CHARACTERIZATION OF PIPELINED S-BOX IMPLEMENTATIONS FOR THE ADVANCED ENCRYPTION STANDARD." Journal of Circuits, Systems and Computers 23, no. 03 (2014): 1450036. http://dx.doi.org/10.1142/s0218126614500364.

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In this paper, we present a comprehensive investigation of the influence of pipeline configurations on the performance of ASIC implementations of the Advanced Encryption Standard (AES) substitution box (S-box) based on a composite field structure. We consider pipeline configurations for the S-box with a typical composite field structure by varying the number of pipeline stages and the placement approach of pipeline registers. Besides the conventional placement approach at the component level of the S-box, we adopt a new placement approach at the gate level to achieve a fine-grained pipeline. T

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2

J.S., Shijo, and Niranjana Behera. "Modelling and analysis of flow of powders through long pipelines." World Journal of Engineering 17, no. 5 (2020): 709–18. http://dx.doi.org/10.1108/wje-01-2020-0035.

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Purpose The purpose of this paper is to focus on predicting the pressure drop in fluidized dense phase pneumatic conveying of fine particles through pipelines by modelling the solids friction factor in terms of non-dimensional parameters using experimental data of definite pipeline configuration. Finally, the model is to be tested for a different pipeline configuration. Design/methodology/approach Solids friction factor has been expressed in terms of certain non-dimensional parameters such as density ratio, solids loading ratio and mean particle diameter to pipe diameter ratio, and a certain n

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3

Zhang, Jiayi, Lin Cui, Hualing Zhai, and Dong-Sheng Jeng. "Assessment of Wave–Current-Induced Liquefaction under Twin Pipelines Using the Coupling Model." Journal of Marine Science and Engineering 11, no. 7 (2023): 1372. http://dx.doi.org/10.3390/jmse11071372.

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Although twin pipelines in series have been used to transport hydrocarbons in engineering practice, most previous studies focused on the dynamic response of the seabed around a single pipeline. A two-way coupling model of fluid–structure–seabed interaction (FSSI) is proposed for the study of the soil response and liquefaction caused by waves and currents around twin pipelines. The present model integrates the flow model and the seabed model by introducing a boundary condition of velocity continuity in addition to the continuity of pressures at the seabed surface. Then, the inconsistency betwee

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4

Allain, Fabrice, Julien Roméjon, Philippe La Rosa, Frédéric Jarlier, Nicolas Servant, and Philippe Hupé. "Geniac: Automatic Configuration GENerator and Installer for nextflow pipelines." Open Research Europe 1 (July 2, 2021): 76. http://dx.doi.org/10.12688/openreseurope.13861.1.

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With the advent of high-throughput biotechnological platforms and their ever-growing capacity, life science has turned into a digitized, computational and data-intensive discipline. As a consequence, standard analysis with a bioinformatics pipeline in the context of routine production has become a challenge such that the data can be processed in real-time and delivered to the end-users as fast as possible. The usage of workflow management systems along with packaging systems and containerization technologies offer an opportunity to tackle this challenge. While very powerful, they can be used a

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5

Tan, Yohei, Daiki Oki, Yu Liu, et al. "Self-Calibration Techniques of Pipeline ADCs Using Cyclic Configuration." Key Engineering Materials 596 (December 2013): 181–86. http://dx.doi.org/10.4028/www.scientific.net/kem.596.181.

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This paper proposes a digital self-calibration technique for pipelined ADC. In this technique, the pipelined ADC is composed of a series of cyclic ADCs and each stage has independent digital self-calibration. Because of this, our technique achieves higher accuracy calibration than the conventional method that calibrates by using later stages. Applying the proposed method, we simulated the pipelined ADC with MATLAB and showed that higher accuracy calibration can be achieved with a smaller number of pipeline stages.

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6

Ilman, Eko Charnius, Farel Muhammad Elan, and Jessica Rikanti Tawekal. "Numerical assessment of subsea pipeline global performance under dragged anchor pullover forces." IOP Conference Series: Earth and Environmental Science 1464, no. 1 (2025): 012037. https://doi.org/10.1088/1755-1315/1464/1/012037.

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Abstract Subsea pipelines, located in areas with significant maritime activity, are vulnerable to failure risks arising from potential anchorage hazards, specifically those from dragged anchors. In this paper, a numerical assessment of NPS 6-inch with X52 grade subsea pipelines under dragged anchor pullover forces is performed. This paper presents a pipeline finite element with elastic plastic material model. The soil is represented mathematically as a rigid component, with non-linear pipe-soil interaction. A parametric study is performed assessing dragged anchor for various pullover force ang

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7

Junaidi, Abdul Khair, and Jaswar Koto. "Initial Imperfection Design of Subsea Pipeline to Response Buckling Load." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 15, no. 1 (2015): 7–11. https://doi.org/10.36842/jomase.v15i1.462.

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Oil and gas transportation in subsea operation continues to the extreme depth. Harsh environment in deep water lead to a challenge for especially pipeline design. The pipelines are operated at high pressure and high temperature in order to be able to transport the crude oil from the well to the end termination of loading. Such condition, the pipelines are subjected to axial compressive forces which will cause the pipelines to expand, consequently the pipelines tend to buckle for certain size and distance from the initial of pipeline. The sleeper is one of method to control the pipeline expansi

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8

D'yachenko, Nikita, and Andrey Zabrodin. "Automatic Generation of CI/CD Pipelines Based on Project Metadata: A New Approach to Accelerating Software Development." Intellectual Technologies on Transport, no. 1 (March 24, 2025): 74–82. https://doi.org/10.20295/2413-2527-2025-141-74-82.

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The article addresses the issue of automating the configuration processes of CI/CD pipelines for software development and deployment. The authors analyze the existing challenges of manual configuration and propose an innovative approach based on utilizing project metadata for automatic pipeline generation. Purpose: to develop a method for automatic pipeline generation using metadata and to assess the impact of this approach on software development within CI/CD practices. To achieve this goal, a service implementing the proposed approach has been developed. Results: to demonstrate that automati

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9

Sydor, Taras, and Vadym Orel. "Variation of Hydraulic Resistance in Pressure Pipelines of an Open-Type Hydraulic System." Energy engineering and control systems 10, no. 1 (2024): 13–18. http://dx.doi.org/10.23939/jeecs2024.01.013.

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Pressure distributive pipelines with path distribution of fluid are part of various technical systems. Pressure losses at abrupt and smooth pipe reductions are components of total pressure losses in these pipelines. After all, the equalization of fluid distribution along the length of distributive pipelines is achieved, in particular, by reducing their diameter in the direction of flow. Depending on the configuration of the pipe reductions, pressure losses at this pipeline element can vary. For an open-type hydraulic system, a regulatory characteristics of pressure in the pipeline has been obt

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10

Allain, Fabrice, Julien Roméjon, Philippe La Rosa, Frédéric Jarlier, Nicolas Servant, and Philippe Hupé. "Geniac: Automatic Configuration GENerator and Installer for nextflow pipelines." Open Research Europe 1 (February 21, 2022): 76. http://dx.doi.org/10.12688/openreseurope.13861.2.

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With the advent of high-throughput biotechnological platforms and their ever-growing capacity, life science has turned into a digitized, computational and data-intensive discipline. As a consequence, standard analysis with a bioinformatics pipeline in the context of routine production has become a challenge such that the data can be processed in real-time and delivered to the end-users as fast as possible. The usage of workflow management systems along with packaging systems and containerization technologies offer an opportunity to tackle this challenge. While very powerful, they can be used a

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11

Mardonov, B., I. Mirzaev, N. A. Nishonov, E. V. An, and E. A. Kosimov. "Upheaval buckling of underground pipelines of complex configuration located in liquefied soils." E3S Web of Conferences 401 (2023): 02041. http://dx.doi.org/10.1051/e3sconf/202340102041.

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The problem of loss of stability of underground pipelines with a middle part in the form of a straight or П-shaped part located in liquefied soils is considered in the article. The pipeline lifting process occurs under the action of buoyancy force in the liquefied soil zone and then under the action of the longitudinal compressive force that appears due to the temperature of the transported product and its pressure. The problem is solved by the finite element method. The results are presented as a table and graphs of changes in the values of transverse displacements along the coordinate depend

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12

Cheng, Xiaofei, Jun Yang, Tiaojian Xu, and Qianyuan Xu. "Study on Hydrodynamic Coefficients of a Submarine Piggyback Pipeline under the Action of Waves and Current." Journal of Marine Science and Engineering 9, no. 10 (2021): 1118. http://dx.doi.org/10.3390/jmse9101118.

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In this study, physical model tests are used to investigate the effects of a varying number of wave and current parameters, the gap ratios between the pipeline and seabed, the spacing ratios between the two pipelines and the diameter ratios on the hydrodynamic coefficients of the large, small pipeline and pipeline system (bundle) in a piggyback configuration under the combined action of waves and current. The results show that, compared with the pure wave field, the existence of the steady current will lead to a decrease in hydrodynamic coefficients. In addition, the results indicate clear dif

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13

Cheng, Xiaofei, Jun Yang, Tiaojian Xu, and Qianyuan Xu. "Study on Hydrodynamic Coefficients of a Submarine Piggyback Pipeline under the Action of Waves and Current." Journal of Marine Science and Engineering 9, no. 10 (2021): 1118. http://dx.doi.org/10.3390/jmse9101118.

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In this study, physical model tests are used to investigate the effects of a varying number of wave and current parameters, the gap ratios between the pipeline and seabed, the spacing ratios between the two pipelines and the diameter ratios on the hydrodynamic coefficients of the large, small pipeline and pipeline system (bundle) in a piggyback configuration under the combined action of waves and current. The results show that, compared with the pure wave field, the existence of the steady current will lead to a decrease in hydrodynamic coefficients. In addition, the results indicate clear dif

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14

Hwang, Woongik, and Jong Seh Lee. "Analytical Model for the Structural Behavior of Pipelines During Lowering-In." Applied Sciences 9, no. 13 (2019): 2595. http://dx.doi.org/10.3390/app9132595.

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Since pipelines experience the largest deformation during lowering-in, structural analysis for this construction sequence should be performed to ensure structural safety. In this study, a new analytical model named the “segmental pipeline model” was developed to predict the structural behavior of the pipeline. This analytical model consists of several segmental elements to represent various boundary and contact conditions. Therefore, the segmental pipeline model can consider the geometric configuration and characteristics of pipelines that appear during lowering-in. Adopting the Euler-Bernoull

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15

Sun, Li Ping, De Jun Wang, Shang Mao Ai, and Xiang Zheng. "The Simulation and Sensitivity Analysis of S-Lay Installation in Deep Water." Applied Mechanics and Materials 249-250 (December 2012): 59–64. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.59.

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Pipelines being laying is subjected the high external water pressure, axial tension and bending moment, influencing the large deformation and the stability of pipelines. It is a key problem about the pipeline deformation and stress analysis under installation. The paper is focused on the analysis of the S-Lay method in deep water, modeling the deepwater S-lay installations considering interactions among the pipeline and stinger and the barge, which make the simulations more realistic. The large work of the paper issues the sensitivity analysis in the installation procedure, several examples ar

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16

Sekacheva, Antonina, Lilia Pastukhova, and Alexandr Noskov. "EXPERIMENTAL STUDY OF DYNAMIC PARAMETERS OF COMPLEX PIPELINE SYSTEM." Akustika, VOLUME 41 (2021): 65–72. http://dx.doi.org/10.36336/akustika20214165.

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The article discusses the results of studies of the dynamic parameters of a pipeline connected to a pump, carried out in order to obtain data in full-scale conditions. At this stage of the study, the stationary process of the pump operation, which forms a turbulent flow in the pipeline, was studied. A computational and experimental technique for studying natural frequencies and vibration modes of pipelines of complex spatial configuration has been developed. The adequacy of the developed methods of finite element modeling of dynamic processes in pipeline systems in the frequency range up to 40

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17

Wen, Kai, Jing Gong, and Yan Wu. "The Cascade Control of Natural Gas Pipeline Systems." Applied Sciences 9, no. 3 (2019): 481. http://dx.doi.org/10.3390/app9030481.

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With the boost of natural gas consumption, an automatic gas pipeline scheduling method is required to replace the dispatchers in decision making. Since the state space model is the fundamental work of modern control theory, it is possible that the classical controller synthesis method can be used for the complicated gas pipeline controller design. In this paper, a cascade control algorithm is proposed based on the state space model that is used for the transient flow simulation of the natural gas pipelines. A linear quadratic regulator is designed following the classical optimal control theory

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18

Petrescu, L., B. C. Cheşca, V. Ioniţă, E. Cazacu, and Maria-Cătălina Petrescu. "3D Analysis of Pipeline with Cathodic Corrosion Protection." Scientific Bulletin of Electrical Engineering Faculty 22, no. 2 (2022): 10–17. http://dx.doi.org/10.2478/sbeef-2022-0014.

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Abstract Natural gas is an indispensable resource for human life. Its transport is usually done through underground pipelines. Due to the environment in which they are placed, the pipelines are subjected to a continuous process of corrosion. This paper aimed a 3D numerical analysis using specialized software (COMSOL Multiphysics) to study several parameters that influence the corrosion of underground pipelines. Starting from real geometric and environmental data, a comparative analysis was performed, considering the pipeline coating (e.g., with HDPE - high- density polyethylene), the placement

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19

Mahgoub, Ahmed. "Analysis of AC-Induced Voltages on Finite Pipeline." Materials Performance 59, no. 8 (2020): 34–37. https://doi.org/10.5006/mp2020_59_8-34.

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The primary objective of this work was to compute the steady-state induced voltages due to inductive coupling on metallic pipelines running in close vicinity to high-voltage transmission lines. Computation of induced voltages and variations in different parameters, such as configuration of transmission lines, distance between pipeline and transmission lines, parallel length, load current, coating resistivity, right-of-way geometrical condition, and grounding characteristics of a pipeline were determined using a Matlab† M-file developed by the author.

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20

Bodei, Chiara, Lorenzo Ceragioli, Pierpaolo Degano, et al. "FWS: Analyzing, maintaining and transcompiling firewalls." Journal of Computer Security 29, no. 1 (2021): 77–134. http://dx.doi.org/10.3233/jcs-200017.

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Firewalls are essential for managing and protecting computer networks. They permit specifying which packets are allowed to enter a network, and also how these packets are modified by IP address translation and port redirection. Configuring a firewall is notoriously hard, and one of the reasons is that it requires using low level, hard to interpret, configuration languages. Equally difficult are policy maintenance and refactoring, as well as porting a configuration from one firewall system to another. To address these issues we introduce a pipeline that assists system administrators in checking

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21

Lazebnik, Teddy, Amit Somech, and Abraham Itzhak Weinberg. "SubStrat." Proceedings of the VLDB Endowment 16, no. 4 (2022): 772–80. http://dx.doi.org/10.14778/3574245.3574261.

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Automated machine learning (AutoML) frameworks have become important tools in the data scientist's arsenal, as they dramatically reduce the manual work devoted to the construction of ML pipelines. Such frameworks intelligently search among millions of possible ML pipelines - typically containing feature engineering, model selection, and hyper parameters tuning steps - and finally output an optimal pipeline in terms of predictive accuracy. However, when the dataset is large, each individual configuration takes longer to execute, therefore the overall AutoML running times become increasingly hig

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22

Steyaert, M. "High accuracy pipeline D/A convertor configuration." Electronics Letters 24, no. 5 (1988): 272. http://dx.doi.org/10.1049/el:19880182.

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23

Temes, G. C. "High-accuracy pipeline A/D convertor configuration." Electronics Letters 21, no. 17 (1985): 762. http://dx.doi.org/10.1049/el:19850537.

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24

Gong, Shun-feng, Kai Chen, Yuan Chen, Wei-liang Jin, Zhi-gang Li, and Dong-yan Zhao. "Configuration analysis of deepwater S-lay pipeline." China Ocean Engineering 25, no. 3 (2011): 519–30. http://dx.doi.org/10.1007/s13344-011-0042-5.

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25

Skafel, M. G., and C. T. Bishop. "Wave forces on a pipeline in a trench." Canadian Journal of Civil Engineering 17, no. 4 (1990): 503–8. http://dx.doi.org/10.1139/l90-057.

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Wave forces on a model pipeline have been measured. The pipeline was located in a trench, the configuration of which is similar to that proposed for oil and gas production in the Beaufort Sea. It was found that the drag and inertia coefficients were similar to the results reported in the literature for flat beds, assuming the water depth was that of the total water column including the trench. Flow visualization tests confirmed that the horizontal velocities were about the same as those that would be found on a flat bed with the same total depth. Key words: wave forces, pipelines, trenches.

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26

Kartheek Medhavi Penagamuri Shriram. "Engineering efficiency through CI/CD pipeline optimization." International Journal of Science and Research Archive 14, no. 1 (2025): 908–16. https://doi.org/10.30574/ijsra.2025.14.1.0107.

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This article examines the optimization of Continuous Integration and Continuous Deployment (CI/CD) pipelines in modern software development environments, focusing on strategies to enhance build stability and execution efficiency. The article explores key challenges in pipeline implementation, including test environment inconsistencies, resource allocation issues, and build instabilities that impact development workflows. Through analysis of multiple enterprise case studies, the article presents comprehensive approaches to pipeline optimization, covering parallelization configuration, test stab

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27

Carkeet, M. L. "CHANGES TO GAS ACCESS LEGISLATION—POLICY RATIONALE AND IMPLICATIONS FOR INDUSTRY." APPEA Journal 47, no. 1 (2007): 377. http://dx.doi.org/10.1071/aj06028.

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The introduction of a national gas access regime has coincided with a rapid expansion in the Australian market for gas transportation services. The threat of regulation and the approach of regulators, however, have influenced both the configuration of pipelines and the nature of transportation contracts. The recent introduction of reforms to the National Third Party Access Regime for Natural Gas Pipelines (Gas Access Regime), and to part IIIA of the Trade Practices Act 1974 (Cth), has the effect of introducing part but not all of the reforms recommended by the Council of Australian Governments

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28

Koneru, Naga Murali Krishna. "The Role of GitLab Runners in CI/CD Pipelines: Configuring EC2, Docker, and Kubernetes Build Environments." Eastasouth Journal of Information System and Computer Science 2, no. 03 (2025): 246–71. https://doi.org/10.58812/esiscs.v2i03.529.

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This research studies GitLab Runners optimization in CI/CD pipelines across the EC2, Docker, and Kubernetes environment configurations. It shows that such key strategies for enhancing build performance and resource utilization would reduce build time by 65 percent and resource costs by 40 percent. Practical recommendations for configuring runners to achieve optimal efficiency are presented in the context of analyzing 200 enterprise pipelines. The key optimization techniques are autoscaling based on real-time metrics, advanced caching to minimize the rebuilds, and tuning the resource allocation

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29

Folarin, Amos A., Richard JB Dobson, and Stephen J. Newhouse. "NGSeasy: a next generation sequencing pipeline in Docker containers." F1000Research 4 (October 5, 2015): 997. http://dx.doi.org/10.12688/f1000research.7104.1.

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Motivation: Bioinformatic pipelines often use large numbers of components and deploying them incurs substantial configuration and maintenance burden that remains a significant barrier to reproducible research. Our aim is to define a new paradigm and best practices for developing, distributing and running pipelines encapsulated in Docker containers (lightweight virtualization), with a focus on next generation sequencing (NGS) workflows. This approach provides several advantages, namely: efficiency, portability, versioning and reproducibility. Using the NGSeasy pipeline, a user can quickly deplo

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30

Reed, Mark, Ben Hetland, Øistein Johansen, Boye Høverstad, Morten H. Emilsen, and Sharon Buffington. "Numerical Model for Estimation of Pipeline Oil Spill Volumes." International Oil Spill Conference Proceedings 2003, no. 1 (2003): 1073–83. http://dx.doi.org/10.7901/2169-3358-2003-1-1073.

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ABSTRACT The Minerals Management Service Pipeline Oil Spill Volume Estimation Model (POSVEM) is a computer-based methodology to estimate discharges from seafloor pipelines. The system is composed of a Release Module and a Near Field Module, linked together with necessary databases through a Graphical User Interface (GUI). The GUI allows the user to sketch a platform – pipeline layout, enter characteristic parameters, and run a quasi-3-phase flow model to estimate the volume of potential or actual leaks. Inputs to the model are parameters describing the configuration and characteristics of a pi

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31

Liu, Sijia, Parikshit Ram, Deepak Vijaykeerthy, et al. "An ADMM Based Framework for AutoML Pipeline Configuration." Proceedings of the AAAI Conference on Artificial Intelligence 34, no. 04 (2020): 4892–99. http://dx.doi.org/10.1609/aaai.v34i04.5926.

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We study the AutoML problem of automatically configuring machine learning pipelines by jointly selecting algorithms and their appropriate hyper-parameters for all steps in supervised learning pipelines. This black-box (gradient-free) optimization with mixed integer & continuous variables is a challenging problem. We propose a novel AutoML scheme by leveraging the alternating direction method of multipliers (ADMM). The proposed framework is able to (i) decompose the optimization problem into easier sub-problems that have a reduced number of variables and circumvent the challenge of mixed va

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32

Xu, Ying, and Tao Li. "Research on the Oil-Gas-Water Three-Phase Flow Experimental Apparatus." Advanced Materials Research 328-330 (September 2011): 2023–26. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.2023.

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The oil-gas-water three-phase flow experimental apparatus in key laboratory of process monitoring and control in Tianjin University is a set of indoor small experimental device, which can simulate oil wells, simulate the pipeline transport of multiphase flow and study the experiment of multiphase flow. The device includes energy power dynamic systems, measurement pipelines systems, multiphase flow test pipelines system, control valves, sampling and control system platform. The software of the control system is mixed programming between the configuration software MCGS and the Visual Basic.

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Alkhalifeh, Khaldoun, Hatem Rmili, Bandar Hakim, Nebras Sobahi, and Youssef AL-Turki. "Design of Microwave Antenna Array for Imaging of Multiphase Flows in Polypropylene Pipes." International Journal of Antennas and Propagation 2021 (May 24, 2021): 1–8. http://dx.doi.org/10.1155/2021/6636885.

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The oil and gas industry requires accurate sensors to control fluid flow in pipelines during the production process from horizontal and near horizontal wells. The extracted crude oil is usually a multiphase mixture of oil, water, and gas, and the accurate measurement of the ratio of each multiphase within the pipeline is an important parameter to manage wells efficiently by maximizing the hydrocarbons that can be extracted. Various methods have been developed for determining the phase ratio including mechanical, optical, X-ray or gamma ray, ultrasound, nuclear magnetic resonance (NMR), and rar

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34

Sarychev, I. L., A. S. Kuzbozhev, I. N. Birillo, and I. V. Shishkin. "Analysis of the Danger of Lateral Exposure of the Gas Pipeline." Oil and Gas Technologies 147, no. 4 (2023): 39. http://dx.doi.org/10.32935/1815-2600-2023-147-4-39-44.

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This article presents the results of assessing the influence of the structural and technological parameters of the gas pipeline section (length, presence and height of soil above the pipe, operating pressure, temperature drop) on the value of the critical longitudinal compressive force determining its longitudinal stability at the initial rectilinear axis configuration. The article also discusses the features of the behavior of a section of a gas pipeline with a curved axis configuration during its operation and the conditions of longitudinal stability of such a section of the gas pipeline aft

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35

Kim, Young Pyo, Cheol Man Kim, Woo Sik Kim, and Kwang Seon Shin. "Fatigue Crack Growth Behavior in Girth Weld of Natural Gas Transmission Pipelines." Key Engineering Materials 345-346 (August 2007): 303–6. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.303.

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A clear understanding of fatigue properties for the pipeline steel and its weld is important to provide information for pipeline design during pipeline construction and predict pipeline fatigue life during pipeline operation. The materials used in this study are API 5L X65 pipeline steel generally used for natural gas transmission. This pipeline was welded by gas tungsten arc welding (GTAW) and shielded metal arc welding (SMAW) with V-groove configuration. The fatigue crack growth behaviors of pipeline steel and its girth weld according to crack growth directions and stress ratios were investi

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36

Hoo Fatt, M. S., and Z. B. Wang. "Fracture of Ductile Pipelines Subjected to Bending and Reverse Bending Loads." Journal of Offshore Mechanics and Arctic Engineering 120, no. 3 (1998): 184–90. http://dx.doi.org/10.1115/1.2829539.

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Closed-form solutions for the elastic-plastic deformation and fracture responses of an offshore pipeline during reeling and unreeling operations are derived. As an example, an API 5L X52 pipeline of thickness 25.4 mm (1 in.) and outer diameter 406 mm (16 in.) bent over a drum radius of 16.5 m (54 ft) and then straightened back to its original configuration is considered. It was found that the pipeline underwent significant plastic deformation during bending and reverse bending. The plastic zone extended from the top (bottom) of the pipe to 16.46 mm above (below) the neutral axis during bending

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37

Zhang, Hao, Feng Wu, and Pingxi Yang. "Design and Optimization of Elliptical B-shaped Sleeve Configuration for Oil&Gas Pipeline." Journal of Physics: Conference Series 2834, no. 1 (2024): 012056. http://dx.doi.org/10.1088/1742-6596/2834/1/012056.

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Abstract Affected by external loads or pipeline corrosion, oil & gas transmission pipelines may encounter safety hazards during service. In terms of defect repair, both domestic and foreign standards currently stipulate that the permanent repair method is B-type sleeve or tube replacement. Compared to the costly tube replacement, B-type sleeves are undoubtedly the preferred choice for economy and safety. However, due to installation size limitations, conventional sleeves are difficult to repair large deformation defects such as wrinkles and buckling in oil and gas pipelines. This study aim

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38

Strohschein, Jan, Andreas Fischbach, Andreas Bunte, Heide Faeskorn-Woyke, Natalia Moriz, and Thomas Bartz-Beielstein. "Cognitive capabilities for the CAAI in cyber-physical production systems." International Journal of Advanced Manufacturing Technology 115, no. 11-12 (2021): 3513–32. http://dx.doi.org/10.1007/s00170-021-07248-3.

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AbstractThis paper presents the cognitive module of the Cognitive Architecture for Artificial Intelligence (CAAI) in cyber-physical production systems (CPPS). The goal of this architecture is to reduce the implementation effort of artificial intelligence (AI) algorithms in CPPS. Declarative user goals and the provided algorithm-knowledge base allow the dynamic pipeline orchestration and configuration. A big data platform (BDP) instantiates the pipelines and monitors the CPPS performance for further evaluation through the cognitive module. Thus, the cognitive module is able to select feasible a

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Srinivas, Adilapuram. "GitHub Actions vs. Jenkins: Choosing the Optimal CI/CD Pipeline for your GCP Ecosystem." European Journal of Advances in Engineering and Technology 10, no. 3 (2023): 105–9. https://doi.org/10.5281/zenodo.14575690.

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GitHub Actions and Jenkins are both Continuous Integration/Continuous Delivery (CI/CD) tools that can create CI/CD pipelines in various environments and ecosystems, including the Google Cloud Platform (GCP). Jenkins is an open-source, older, and more comprehensive tool requiring significant skills and effort. GitHub Actions is simpler and closely tied to the GitHub platform. This article compares the two tools in ten dimensions: workflow definition and configuration, scalability and performance, authentication, security and monitoring, cost management, community, ecosystem and plugin support,

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Aranda, Luis, Pedro Reviriego, and Juan Maestro. "Protecting Image Processing Pipelines against Configuration Memory Errors in SRAM-Based FPGAs." Electronics 7, no. 11 (2018): 322. http://dx.doi.org/10.3390/electronics7110322.

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Image processing systems are widely used in space applications, so different radiation-induced malfunctions may occur in the system depending on the device that is implementing the algorithm. SRAM-based FPGAs are commonly used to speed up the image processing algorithm, but then the system could be vulnerable to configuration memory errors caused by single event upsets (SEUs). In those systems, the captured image is streamed pixel by pixel from the camera to the FPGA. Certain local operations such as median or rank filters need to process the image locally instead of pixel by pixel, so some pa

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Schoch, Nicolai, Mario Hoernicke, and Katharina Stark. "Semantic function module pipeline generation." at - Automatisierungstechnik 69, no. 12 (2021): 1040–50. http://dx.doi.org/10.1515/auto-2021-0090.

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Abstract With modular automation, modular industrial plants use a functional engineering approach, and modules enable plug & produce plant engineering. However, plant configuration is still a largely manual process and often not optimized with respect to the available information. In this contribution, we propose a system and algorithm to support the automation engineer in the process of joining together modules into process pipelines and in their optimization. Our solution is built upon an abstract semantic data model that facilitates the automated matching of pre- and post-condition of m

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42

Yang, Lin, Xinhua Wang, Tao Sun, Naixiang Hu, and Zisheng Guo. "Design of differential probe with harmonic magnetic field and its data process method." Journal of Physics: Conference Series 2724, no. 1 (2024): 012021. http://dx.doi.org/10.1088/1742-6596/2724/1/012021.

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Abstract To identify the condition of steel pipelines beyond the line of sight during operation, this study presents a design methodology for a differential probe, along with a harmonic magnetic field excitation technique and its corresponding data processing methodology. The coaxial arrangement of the excitation coils in a planar configuration generates a potent induced magnetic field, ensuring a sufficient standoff distance. Under the influence of harmonic excitation, the magnetic permeability of the pipeline surface decreases, resulting in an increased detection depth. Periodic alterations

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43

Fischbach, Andreas, Jan Strohschein, Andreas Bunte, et al. "CAAI—a cognitive architecture to introduce artificial intelligence in cyber-physical production systems." International Journal of Advanced Manufacturing Technology 111, no. 1-2 (2020): 609–26. http://dx.doi.org/10.1007/s00170-020-06094-z.

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Abstract This paper introduces CAAI, a novel cognitive architecture for artificial intelligence in cyber-physical production systems. The goal of the architecture is to reduce the implementation effort for the usage of artificial intelligence algorithms. The core of the CAAI is a cognitive module that processes the user’s declarative goals, selects suitable models and algorithms, and creates a configuration for the execution of a processing pipeline on a big data platform. Constant observation and evaluation against performance criteria assess the performance of pipelines for many and differen

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Karabaić, Damir, Marko Kršulja, Sven Maričić, and Lovro Liverić. "The Optimization of a Subsea Pipeline Installation Configuration Using a Genetic Algorithm." Journal of Marine Science and Engineering 12, no. 1 (2024): 156. http://dx.doi.org/10.3390/jmse12010156.

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The most commonly used subsea pipeline installation method is the S-Lay method. A very important and complex task in an S-Lay installation engineering analysis is to find the optimal pipelay vessel installation configuration for every distinctive pipeline route section. Installation loads in the pipeline are very sensitive to small changes in the configuration of the pipeline supports during laying and other influential parameters, such as the tensioner force, stinger angle, trim and draft of the pipelay vessel. Therefore, the process of an engineering installation analysis is very demanding,

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Mohammad, Nourhan El Gharieb, Yassmen Youssef Rawash, Said Mohamed Aly, Mostafa El Sayed Awad, and Mostafa Hassanein Hussein Mohamed. "Enhancing gas pipeline network efficiency through VIKOR method." Decision Making: Applications in Management and Engineering 6, no. 2 (2023): 853–79. http://dx.doi.org/10.31181/dmame622023868.

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The optimization of gas pipeline networks is critical for efficient and cost-effective transportation of natural gas. This study develops a mathematical model capable of analyzing different network configurations, including branched and branched-cyclic topologies, to explore the optimization of gas pipeline network conditions. The research provides valuable insights into the gas pipeline network optimization process, empowering industry stakeholders to make informed decisions and enhance performance in terms of efficiency, reliability, and cost-effectiveness. To attain these objectives, this s

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46

Welle, Michael C., Anastasiia Varava, Jeffrey Mahler, Ken Goldberg, Danica Kragic, and Florian T. Pokorny. "Partial caging: a clearance-based definition, datasets, and deep learning." Autonomous Robots 45, no. 5 (2021): 647–64. http://dx.doi.org/10.1007/s10514-021-09969-6.

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AbstractCaging grasps limit the mobility of an object to a bounded component of configuration space. We introduce a notion of partial cage quality based on maximal clearance of an escaping path. As computing this is a computationally demanding task even in a two-dimensional scenario, we propose a deep learning approach. We design two convolutional neural networks and construct a pipeline for real-time planar partial cage quality estimation directly from 2D images of object models and planar caging tools. One neural network, CageMaskNN, is used to identify caging tool locations that can support

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47

Osiadacz, Andrzej J., Ferdinand E. Uilhoorn, and Maciej Chaczykowski. "Non-linear optimization of high-pressure gas networks with respect to hydrate control / Nieliniowa optymalizacja sieci gazowej wysokiego ciśnienia z uwzględnieniem zapobieganiu hydratów." Archives of Mining Sciences 57, no. 3 (2012): 627–43. http://dx.doi.org/10.2478/v10267-012-0040-3.

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Abstract In this paper, gas pipeline optimization includes constraints resulting from hydrate prevention. The key is to seek for the optimal settings of both: the compressor units and hydrate combating method at minimum fuel consumption subject to security of supply and hydrate prevention. A case study is conducted on the Polish section of the Yamal pipeline and an arbitrarily selected partial onshore and offshore pipeline. Three different configurations are investigated: (i) cooling the compressed gas, (ii) no cooling and (iii) line heating immediately after the compressor station. For each c

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48

Wang, Wei, Bin Yu, Wenyuan Xu, Kai Yang, Yanying Yin, and Mengyuan Li. "Pipeline Transport Performance of Paste Backfill Slurry in Long-Distance Underground Backfilling: A Review." Minerals 14, no. 12 (2024): 1238. https://doi.org/10.3390/min14121238.

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This paper reviews recent advancements in the pipeline transport performance of paste backfill slurry in long-distance underground backfilling operations, with a primary focus on applications in metal mines. Key aspects, including flow performance, energy consumption during transport, and operational stability, are discussed in detail. Slurry concentration and rheological properties, including viscosity, yield stress, and flow behavior, as well as particle size distribution, are examined for their effects on transport efficiency. The relationship between these characteristics and pipeline resi

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49

Krieger, Kurt L. "Gathering and Transporting Marcellus and Utica Shale Natural Gas to the Market and the Regulation of Midstream Pipeline Companies - The Case for a Uniform Federal and State Definition of "Gathering" in the Context of Economic and Siting Regulation." Texas Wesleyan Law Review 19, no. 1 (2012): 49–75. http://dx.doi.org/10.37419/twlr.v19.i1.4.

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Much has been written about the major natural gas reserves in the Marcellus and even Utica Shale formations located in West Virginia, Pennsylvania, and Ohio. But much of the focus has been on the law and regulation around producing the gas-drilling and getting it out of the ground. Related, but serving a very different function, is the role of pipeline companies in their various business models to transport that gas to market. This is a different and equally robust and growing segment of the natural gas industry where large amounts of shale exploration take place. In fact, without pipelines an

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50

Mathieu, Antoine, Tim Nagel, Cyrille Bonamy, et al. "Application of a Eulerian two-phase flow model to scour processes." E3S Web of Conferences 40 (2018): 05015. http://dx.doi.org/10.1051/e3sconf/20184005015.

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In this paper, the application of a two-phase flow model to scour processes is presented. The model is first calibrated against experimental data of unidirectional sheet-flow (one-dimensional configuration). The model is then applied to multi-dimensional configurations for the scour under a submarine pipeline and around a vertical pile. The results show that quantitative results can be obtained at the upstream sides of structures, the lee-wake erosion driven by the vortex shedding deserves further research.

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