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Biao Wang, Haobo Zhang, Yunan Zhu, Banggui Cai and Xiaopeng Guo
Low energy consumption has always been one of the core issues in the routing design of underwater sensor networks. Due to the high cost and difficulty of deployment and replacement of current underwater nodes, many underwater applications require the rou...
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Jingxi Liu, Bo Xu, Chengzhang Li and Muzi Li
Due to the non-spherical perturbation of the Moon, the lifetime of ultra low-altitude Lunar spacecraft may be quite short. In this paper, we analyze the lifetime of about 50 km-altitude Lunar spacecraft with different initial orbit. The lifetime in low i...
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Emmanouil Andreas Evangelakos, Dionisis Kandris, Dimitris Rountos, George Tselikis and Eleftherios Anastasiadis
Wireless Sensor Networks (WSNs) are considered to be among the most important scientific domains. Yet, the exploitation of WSNs suffers from the severe energy restrictions of their electronic components. For this reason there are numerous scientific meth...
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Johannes Hüffmeier and Mathias Johanson
Generating energy efficiency through behavioural change requires not only understanding and empathy with user interests and needs but also the fostering of energy saving awareness, a technique and framework that supports operators and ship owners. There ...
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Ahmed Redha Mahlous
Energy-efficient clustering and routing are well known optimization problems in the study of Wireless Sensor Network (WSN) lifetime extension. In this paper, we propose an intelligent hybrid optimization algorithm based on a Set Cover approach to create ...
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V. I. Zelenin,P. M. Kavunenko,V. V. Tysenkov,V. M. Tepliuk,M. A. Polishchuk,V. D. Lebied,V. I. Lipisii,S. V. Bondariev,S. A. Havrylov,N. T. Olhard,S. O. Cheburov
Pág. 39 - 43
The restoration method for the journals and wheel seats of the freight wagon wheelsets by means of plasma-arc metallization is presented and the results of the bench fatigue tests with the advisable operation life of the axles restored are given.
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Life-Cycle Variations in the Association between Current and Lifetime Income: Replication and Extension for Sweden
Pág. 879
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