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This unique volume imparts practical information on the operation, maintenance, and modernization of heavy performance machines such as lignite mine machines, bucket wheel excavators, and spreaders. Problems of large scale machines (mega machines) are highly specific and not well recognized in the common mechanical engineering environment. Prof. Rusiński and his co-authors identify solutions that increase the durability of these machines as well as discuss methods of failure analysis and technical condition assessment procedures. "Surface Mining Machines: Problems in Maintenance and Modernization" stands as a much-needed guidebook for engineers facing the particular challenges of heavy performance machines and offers a distinct and interesting demonstration of scale-up issues for researchers and scientists from across the fields of machine design and mechanical engineering.

Machinery. --- Manufactures. --- Machinery and Machine Elements. --- Manufacturing, Machines, Tools, Processes.

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This book presents the select proceedings of 21st ISME conference on Advances in Mechanical Engineering. It covers the latest research and technological advancements in the area of machine design. Various topics covered in this volume are product design and development, CAD/CAE/FEM/modelling and simulation, fatigue, fracture and failure analysis, vibrations/ condition monitoring, rotor dynamics, multi-body dynamics, tribology, robotics and mechatronics, computational mechanics, sensors and actuators materials failure analysis, engineering optimization, machines and mechanisms, mechanics of composites, biomechanics and fracture mechanics. This book is useful for researchers and professionals working in the area of machine design and allied fields.

Machinery. --- Manufactures. --- Tribology. --- Machinery and Machine Elements. --- Machines, Tools, Processes.

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This book presents the proceedings of the 11th IFToMM International Conference on Rotordynamics, held in Beijing, China on 18-21 September 2023. This conference is a premier global event that brings together specialists from the university and industry sectors worldwide in order to promote the exchange of knowledge, ideas, and information on the latest developments and applied technologies in the dynamics of rotating machinery. The coverage is wide ranging, including, for example, new ideas and trends in various aspects of bearing technologies, issues in the analysis of blade dynamic behavior, condition monitoring of different rotating machines, vibration control, electromechanical and fluid-structure interactions in rotating machinery, rotor dynamics of micro, nano and cryogenic machines, and applications of rotor dynamics in transportation engineering. Since its inception 32 years ago, this conference has become an irreplaceable point of reference for those workingin the field and this book reflects the high quality and diversity of content that the conference continues to guarantee.

Machinery. --- Mechanics, Applied. --- Control engineering. --- Robotics. --- Automation. --- Machinery and Machine Elements. --- Engineering Mechanics. --- Control, Robotics, Automation.

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This volume comprises the select proceedings of the 3rd Biennial International Conference on Future Learning Aspects of Mechanical Engineering (FLAME) 2022. It aims to provide a comprehensive and broad-spectrum picture of the state-of-the-art research and development in material science and engineering. Various topics covered include metals and composites, energy systems, advanced materials processing, materials synthesis and processing, nanotechnology, polymers and ceramics, material for semiconductor devices, fabrication technique, corrosion and degradation, corrosion, welding of advanced materials, etc. This volume will prove a valuable resource for researchers and professionals in materials engineering.

Materials. --- Materials --- Machinery. --- Materials Engineering. --- Materials Characterization Technique. --- Machinery and Machine Elements. --- Analysis.

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This book provides findings on the simulation of the valve dynamic to the current technological standards. Above all, it delivers a simulation based and predictive approach on the fatigue strength assessment of four-stroke heavy-duty engine valves. The demand for more efficient combustion engines with fuel flexibility goes along with increasing component requirements regarding strength and durability, while the development costs should remain low. In this context, the present book focuses on the gas exchange valves of heavy-duty engines. Especially, the valves on the exhaust side have an increased risk of fatigue failure. The aim of this book is the generation of a predictive fatigue strength assessment to strengthen the frontloading of the exhaust valve design process and to increase the reliability of the component. In the context of fatigue assessment, this book examines the loads of the exhaust valve during its working cycle. Beside the high temperature and cylinder pressure, further loads act on the exhaust valve like actuation force or an eccentric impact of the valve on the valve seat ring. Furthermore, a bold valve secondary dynamic in the form of valve bending vibrations is observed on the exhaust valves of heavy-duty engines increasing the valve load even more. The cause of this secondary dynamic is unknown. This book investigates the valve loads to get the necessary input for the fatigue strength assessment. With respect to a predictive approach, the determination of valve dynamic and valve loads is based on a multibody simulation model of the valve train. In order to deliver predictive results and a transferable method, this simulation model includes all relevant physical effects to describe the valve dynamic accurately during all valve load phases of the working cycle. With the simulation model, the root cause for the bold valve secondary dynamic is examined iteratively. The model delivers not only the cause for the valve secondary dynamic but most importantly the critical valve loads. These loads deliver the input for the fatigue strength assessment. To ensure the robustness of the load data determined by the simulation model, the sensitivity of influences on the valve load is examined. In this context geometrical misalignment, fluctuations in load data and variable engine operation points are considered. A load collective based on the variation of influences on the valve load is the result of this analysis. All the results of the influence and sensitivity study are generated with the newly developed simulation model of the valve train. Moreover, this book outlines measurements on a testbed engine. In scope of these measurements are temperature and strain measurements of the valve. The generated data validate the simulation model of the valve train. Additionally, the statistical evaluation of the data is used in the subsequent fatigue strength assessment to increase the reliability of the results.

Engines. --- Machinery. --- Electric power production. --- Engine Technology. --- Machinery and Machine Elements. --- Mechanical Power Engineering.