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Yadi Zhao, Lei Yan, Jian Wu and Ximing Song
To address the low level of intelligence and low utilization of logs in current rotary cutting equipment, this paper proposes a digital twin-based system for optimizing the rotary cutting of logs using a five-dimensional model of digital twins. The syste...
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Grzegorz Struzikiewicz
An effective chip formation process is significant for an efficient metal-cutting process. Long continuous chips can lead to scratches on the machined surface, increasing the risk to operator safety and stability of the machining process. The use of chip...
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Han-eol Kim, Sang-gui Ha, Hafeezur Rehman and Han-kyu Yoo
Mechanical methods of tunnel excavation are widely used because of their high excavation output, and the selection of appropriate technology depends on ground composition and project-related features. Compared with tunnel boring machines (TBMs) and roadh...
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Panagiotis Gkonis, Anastasios Giannopoulos, Panagiotis Trakadas, Xavi Masip-Bruin and Francesco D?Andria
The rapid growth in the number of interconnected devices on the Internet (referred to as the Internet of Things?IoT), along with the huge volume of data that are exchanged and processed, has created a new landscape in network design and operation. Due to...
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Dongbin Pan, Lin Yang, Chen Chen and Xitong Li
Fine-grained natural gas hydrate (NGH) reservoirs are widely distributed across the world and bear more than 90% of global NGH. However, it is difficult to exploit this kind of NGH reservoir economically and environmentally using conventional methods. Wa...
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Heng Zhang, Zhentuo Wen, Yaya Chen, Junxiao Liu, Hongxin Liu, Zhifu Zhang and Xirui Zhang
This paper focuses on obtaining fundamental data for optimizing the design of intelligent equipment for cutting natural rubber and its key components. It uses natural rubber bark as the research subject and employs specific experimental apparatus to meas...
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Han-eol Kim, Kyoung-min Nam, Hafeezur Rehman, Tae-su Kyeon and Han-kyu Yoo
Rock fragments obtained by excavation can provide information for evaluating the excavation efficiency, for which the coarseness index (CI) and particle size parameters (d50, dMPS, and d') are used. However, CI depends on the number and size of the sieve...
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Jessica M. M. Adams, S. Michael Morris, Laura Steege, Joanne Robinson and Charles Bavington
Using brown seaweed kelp species Saccharina latissima and Laminaria digitata as feedstocks, a set of pilot-scale macroalgae processing batches were conducted (50?200 kg per batch) for the production of a range of food-grade liquid and solid fractions. Th...
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Justice Kofi Debrah, Diogo Guedes Vidal and Maria Alzira Pimenta Dinis
Addressing the plastic problem requires rigorous attention and practical education for sustainability. Due to the common effective waste management practices in some parts of the world, the plastics? menace is generally well recognized and controlled wor...
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Thalita Cristina de Paula, Cintia C Petry Mazzaferro (Author); Daniela Fátima Giarollo; Gelsa E Navarro Hidalgo, Breno Basso (Author)
Pág. e50488
Martensitic steels have been successfully employed in resource-based industries where components must endure aggressive conditions. In industrial practice, many parts of these components are joined by welding techniques. The aim of this work was to under...
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