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检索条件"丛书名=Lecture Notes in Mechanical Engineering"

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Optimization of Operating Parameters for Laser Shock Peening Surface Treatment on Components Made from Nickel-Based Super-Alloy INCONEL 718 10th

Optimization of Operating Parameters for Laser Shock Peening...

引用

10th International Conference on Design and Modeling of mechanical Systems (CMSM)

作者： Frija, Mounir Dali, Taha Ayeb, Manel Fathallah, Raouf Univ Sousse Inst Appl Sci & Technol Sousse ISSATSo Sousse Tunisia Minist Natl Def Air Force Borj El Amri Aviat Sch Borj El Amri Tunisia Univ Sousse Natl Engn Sch Sousse ENISo Sousse Tunisia Unit Mech Prod Engn & Mat UGPMM UR17ES43 BP 1173 Sfax 3038 Tunisia

ISBN: (纸本)9783031650062;9783031650079

This study is focused on the optimization of laser shock surface treatment for components made from the Nickel-based super alloy INCONEL718. The objective is to enhance the efficiency and effectiveness of this treatment process by leveraging the Design of Experiments (DoE) methodology. In our investigation, we delve into understanding the intricate relationship between the various treatment parameters and the distinct effects they induce during the process. By isolating and examining each parameter's influence on the outcomes, we aim to identify the critical factors that significantly impact the results. This systematic analysis allows us to pinpoint the optimal settings for laser shock treatment, thus minimizing waste and maximizing performance. Furthermore, a key aspect of this study involves the development of empirical mathematical models to approximate the results of numerical simulations. These mathematical formulations serve as valuable tools for aeronautical engineers tasked with modeling laser shock treatment. By translating complex simulation data into practical and actionable mathematical expressions, engineers can more accurately predict the outcomes of laser shock peening surface treatment under varying conditions. The integration of meticulous experimental design, statistical analysis, and empirical modeling offers a holistic approach to optimizing laser shock treatment. The findings from this research hold promise for refining the accuracy and dependability of this vital process in manufacturing components with INCONEL 718, thereby providing valuable advancements for the aerospace industry and its associated domains.

关键词： Laser Sock Peening INCONEL 718 Optimization Design of Experiments (DoE) Numerical simulations Aeronautical engineering

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A Quick Method to Determine Tank Capacity in the Pipe Network Due to Daily Fluctuation of Domestic Water Demand 1

引用

2022 International Association for Hydraulic Environmental engineering and Research Asia Pacific Division

作者： Triatmadja, Radianta Legono, Djoko Supraba, Intan Gadjah Mada Univ Dept Civil & Environm Engn Yogyakarta Indonesia

ISBN: (数字)9789819760091

ISBN: (纸本)9789819760084;9789819760091

The domestic water supply fluctuates along the day depending on the demand based on human activities. Most people are at rest at night, so water demands drop significantly. Water demands increase when people start their activities at home in the morning. Similarly, the water demand increases again when people come home from work in the afternoon. Typically, the peak water demand occurs either in the morning or afternoon. Usually, a pump and water tank system should be installed in the water distribution network to provide energy and smooth out the fluctuation so that water demands can be met at any time. The capacities of the pump and the tank should be determined based on the water demand fluctuation, which usually requires water balance modelling. In this research, typical domestic water demand is simulated to find the effect of the tank size, the pump capacity, and the number of pumping cycles per day. The simulations were conducted using WaterNet Software. The results produced a design curve that can quickly determine the combination of pump and tank capacities depending on the number of pump operation cycles without simulation.

关键词： Pipe network Pump-tank-system Domestic water Fluctuation Simulation

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Selected Methods for Improving the Quality of Production Processes 1

引用

8th International Scientific-Technical Conference (MANUFACTURING)

作者： Borucka, Anna Patrejko, Lukasz Patrejko, Krzysztof Lipinska, Julia Mil Univ Technol Warsaw Poland

ISBN: (数字)9783031564741

ISBN: (纸本)9783031564765;9783031564741

Quality is a concept that primarily denotes the degree to which specific requirements are met, achieving the desired level of excellence. Quality management aims to influence and organize the management system for the managed system, encompassing everything that leads to quality objectives. By performing traditional management functions such as planning, organizing, leading, and controlling, a company can achieve its quality management goals. To achieve the desired results and implement satisfactory improvements, it is essential to diagnose potential issues, assess their effects, and finally propose and implement effective solutions. To this end, suitable methods are applied, and the presentation of selected methods was the aim of this article. First, an analysis and evaluation of factors affecting the reduction of quality levels in the examined company were carried out, using the Ishikawa diagram and Pareto-Lorenz analysis. Then, using the Failure Mode and Effects Analysis (FMEA) method, recommendations for improving the implemented processes were proposed. The conducted study clearly indicates the benefits of using such methods. They enable the development of the ability to continuously improve the company's operation, improve the quality of the products or services offered, and ultimately comprehensively meet customer needs.

关键词： production processes quality improvement FMEA Pareto analysis Ishikawa diagram

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Phenazine Porous Polymers for Radioactive Iodine Capture

Phenazine Porous Polymers for Radioactive Iodine Capture

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Saudi International Conference on Nuclear Power engineering (SCOPE)

作者： Amasha, Hassan A. Kulal, Nagendra Sulaiman, Munzir H. Al-Abdullah, Tariq A. Al Hamouz, Othman Charles S. King Fahd Univ Petr & Minerals Chem Dept Dhahran 31261 Saudi Arabia King Fahd Univ Petr & Minerals Phys Dept Dhahran 31261 Saudi Arabia King Fahd Univ Petr & Minerals Interdisciplinary Res Ctr Hydrogen & Energy Stora Dhahran 31261 Saudi Arabia King Fahd Univ Petr & Minerals Interdisciplinary Res Ctr Adv Mat Dhahran 31261 Saudi Arabia King Fahd Univ Petr & Minerals Interdisciplinary Res Ctr Refining & Adv Chem Dhahran 31261 Saudi Arabia

ISBN: (纸本)9783031643613;9783031643620

The removal of radioactive iodine from different environments enables the use of nuclear energy in a sustainable and efficient way. In this study we report the synthesis of three novel porous polymers viamicrowave assisted Friedel crafts polymerization of phenazine with pyrrole (PHP), Thiophene (PHT) and furan (PHF) with dimethoxymethane as a linker and iron (III) chloride as a catalyst. The polymers showed permanent porosity with surface areas of 137-330 m(2)/g and good thermal stability. The efficiency of the synthesized porous polymers in the removal of volatile iodine reached 885- 1005 mg/g capacity whereas the removal capacities reached 202-222 mg/g in cyclohexane solution. Their excellent removal capabilities accompanied with their rigid and stable structures makes them an excellent choice for the removal of radioactive iodine waste.

关键词： Porous polymers nuclear waste treatment Radioactive Iodine adsorption

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The Influence of Ecolabel: Insights from the Indonesian Bioplastics Packaging Industry Stakeholders 32nd

The Influence of Ecolabel: Insights from the Indonesian Biop...

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Baskoro, M. Lahandi Tjahjono, Benny Bogush, Anna Beltran, Macarena Syaifullah, Danu Tjahjono, Michelle Coventry Univ Coventry W Midlands England Cranfield Univ Bedford England

ISBN: (纸本)9783031381645;9783031381652

Despite the potential environmental benefits of bioplastics, consumers remain confused regarding this innovative packaging material. One possible solution to mitigate these concerns is to introduce ecolabels to communicate this bioplastics material. This study aims to investigate the influence of ecolabel signals and other factors on the adoption and proper disposal of bioplastics packaging among consumers in Indonesia, as seen from the perspective of stakeholders in the bioplastics industry. Signaling theory is utilized as a theoretical lens to build a conceptual model to observe this phenomenon. A total of 17 case studies were collected from stakeholders in various sectors, including production, consumption, waste management, and academia. The findings reveal that while ecolabels can play a role in shaping consumer behavior towards bioplastic packaging, they cannot be the sole determining factor. Other factors such as packaging price, pro-environmental attitude, habitual practice, and access to appropriate waste management facilities also significantly influence consumer adoption and proper disposal of bioplastics. The study contributes as one of the earliest research efforts in this area. Furthermore, the study addresses gaps in bioplastics consumer communication research by highlighting the effect of ecolabels.

关键词： Sustainable packaging Visual communication Consumer behavior Solid waste management Developing country

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Lean Green Methodologies and Circular Economy: A Case Study 33rd

Lean Green Methodologies and Circular Economy: A Case Study

引用

33rd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Pereira, Maria Teresa da Silva, Catarina Gomes Lellis Moreira, Miguel Angelo Oliveira, Marisa Pinto, Viviana Correia Polytech Univ Porto Porto Sch Engn ISEP P-4200072 Porto Portugal Associate Lab Energy Transports & Aerosp LAETA IN P-4200465 Porto Portugal Fluminense Fed Univ BR-24210346 Rio De Janeiro Brazil

ISBN: (纸本)9783031744815;9783031744822

Implementing Lean Green methodologies in the circular economy optimises companies' and industries' environmental and economic performance. This study investigates how Lean Green can support or hinder the implementation and sustainability of the Circular Economy in organisations. The study aims to explore the concepts of Lean Green and Circular Economy and their relationship and integration for mutual benefit. Subsequently, a case study is carried out to develop a roadmap of Lean Green and Circular Economy tools, presenting a methodology for developing a roadmap to improve an Industrial Wastewater Treatment Plant. Throughout the process, various environmental problems and impacts associated with the treatment plant operation were identified, ranging from energy consumption to the use of chemicals and waste management. To address these challenges, concrete actions based on Circular Economy and Lean Green principles were proposed, promoting the reduction of volatile organic compound emissions, the incorporation of waste into production processes, among others.

关键词： Lean Green Circular Economy Sustainability

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Laser Pulse Shape Effect on a Laser Shock-Peened Turbine Blade 10th

Laser Pulse Shape Effect on a Laser Shock-Peened Turbine Bla...

引用

10th International Conference on Design and Modeling of mechanical Systems (CMSM)

作者： Ayeb, Manel Frija, Mounir Fathallah, Raouf Univ Sousse Inst Appl Sci & Technol Sousse ISSATSo Sousse Tunisia Univ Sfax Natl Engn Sch Sfax ENIS Unit Mech & Mat Prod Engn UGPMM UR17ES43 Sfax Tunisia Univ Sousse Natl Engn Sch Sousse ENISo Sousse Tunisia

ISBN: (纸本)9783031650062;9783031650079

As an innovative surface treatment technique, laser shock processing is used extensively to improve the resistance of metallic workpieces to corrosion, fatigue and wear, particularly in spite of the residual compressive stresses that are generated. The purpose of this paper is to study the geometric shape effect of the laser impact on a turbine blade's thin leading edge. A 3D finite element simulation of Ti-6Al-4V thin leading-edge specimens is performed by means of ABAQUS software. Its main objective consists in studying and comparing the mechanical modifications of the surface generated by circular and square laser spots: the compressive residual stresses, the plastic deformations and the damage.

关键词： Laser processing Square spots Circular spots Finite element analysis Very thin leading edge

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VR Driven Unsupervised Classification for Context Aware Human Robot Collaboration 32nd

VR Driven Unsupervised Classification for Context Aware Huma...

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Mohammadzadeh, Ali Kamali Allen, Carlton Leroy Masoud, Sara Wayne State Univ Detroit MI 48201 USA Bowling Green State Univ Bowling Green OH 43403 USA

ISBN: (纸本)9783031382406;9783031382413

Human behavior, despite its complexity, follows structured principles that, if understood, will result in more reliable and effective collaborative automation environments. Characterizing human behavior in collaborative automation systems based on understanding the underlying context allows for novel advances in robotic human behavior sensing, processing, and predicting. Here, virtual reality, through integration of HTC Vive Arena Pro Eye Bundle, Leap Motion, and Unity 3D game engine, is used for safe and secure data collection on humans' movements and body language in human robot collaborative environments. This paper proposes an unsupervised classification framework through integration of dynamic time warping and k-means clustering algorithm to enable robotics agents to understand humans' intentions based on their body movements. Results display that the proposed framework is capable of identifying underlying intentions with an average accuracy, recall, and precision of 85%, 73%, and 75%, respectively.

关键词： Human Robot Interaction Virtual Reality Unsupervised Classification

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Parametric Evaluation Samples Made by SLM Technology Measured Using Micro-Computed Tomography 1

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8th International Scientific-Technical Conference (MANUFACTURING)

作者： Jakubowicz, Michal Mietlinski, Patryk Krolczyk, Jolanta Budzik, Grzegorz Nieslony, Piotr Trych-Wildner, Anna Wojciechowska, Natalia Krolczyk, Grzegorz Wieczorowski, Michal Staskiewicz, Julia Bartkowiak, Tomasz Poznan Univ Tech Poznan Poland Opole Univ Technol Opole Poland Rzeszow Univ Technol Rzeszow Poland Cent Off Measures GUM Warsaw Poland

ISBN: (数字)9783031564673

ISBN: (纸本)9783031564697;9783031564673

The following paper provides an analysis of micro-scale structural parameters of surfaces produced through Selective Laser Melting (SLM) under various configurations of 3D printing parameters. The examined samples were manufactured with different settings of two key manufacturing parameters: laser power and scanning speed. The surface measurements were conducted using a X-ray micro-computed tomography and post-processing using Volume Graphics and MountainsMap software. ISO 25178 standard parameters were calculated and correlated with laser power and scanning speed. The SLM technology is associated with the formation of so-called re-entrant features. Given the intricacy of such features, the application of a microCT is justified, as no other measurement method, whether contact or optical, allows their acquisition with high fidelity. It was shown that changes in laser power and scanning speed are strongly correlated with surface characterization parameters. The presented analysis can contribute to better understanding of the formation process in SLM and to optimize the manufacturing processes to improve the surface quality of fabricated parts.

关键词： Micro-computed Tomography Roughness Selective Laser Melting Additive Manufacturing

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Asset Administration Shells and GAIA-X Enabled Shared Production Scenario 32nd

Asset Administration Shells and GAIA-X Enabled Shared Produc...

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Volkmann, Magnus Wagner, Andreas Hermann, Jesko Ruskowski, Martin Technol Initiat SmartFactory KL eV Kaiserslautern Germany Univ Kaiserslautern Landau RPTU Inst Machine Tools & Control Syst WSKL Kaiserslautern Germany German Res Ctr Artificial Intelligence DFKI Kaiserslautern Germany

ISBN: (纸本)9783031381645;9783031381652

Increasing the flexibility of production environments and the resilience of value chains are major challenges of Industry 4.0. Multi-enterprise manufacturing networks can be a solution to create dynamic supply chains and to make product manufacturing more flexible. To enable the concept of manufacturing networks, vendor-independent and data-secure solutions are required. This includes automated bidding procedures and cross-company interpretation of information. Existing approaches to data exchange between companies are based on proprietary concepts. An industrial data space should support vendor-independent solutions to facilitate data exchange, participation in multiple data spaces, and offers the freedom not to be dependent on a single software company or marketplace provider. The paper focuses on existing technologies and describes a Shared Production scenario based on the decentralized GAIA-X architecture, the Asset Administration Shell and the Industry 4.0 language. In this way, uniform semantics can be achieved, the Industry 4.0 language defines the structure of text messages as well as the communication flow, and GAIA-X provides technologies for secure and data-sovereign information exchange. The focus is on the possible identification of supply chains in the machining industry.

关键词： Cloud Manufacturing Shared Production Asset Administration Shell Industry 4.0 GAIA-X capabilities skills

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