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Omkar Walvekar and Satyanarayanan Chakravarthy
A conceptual framework is presented to determine the improvement in the aerodynamic performance of a canard aircraft fitted with distributed propellers along its main wing. A preliminary study is described with four airframe?propeller configurations pred...
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Ioannis Kolias, Nikolaos Aretakis, Alexios Alexiou and Konstantinos Mathioudakis
Disks in gas turbines are optimized for minimum weight, while satisfying both geometry and stress constraints, in order to minimize the engine production, operation, and maintenance costs. In the present paper, a tool is described for the preliminary mec...
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Wei Yu, Binghai Lv and Julong Yuan
Silicon nitride ceramic balls are the key basic components of bearings in major equipment. Their key performance indices are accuracy and batch consistency. A grinding method with the most appropriate comprehensive performance is the basis and guarantee ...
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Giulio Cantini, Simone Salvadori, Massimiliano Insinna, Giorgio Peroni, Gilles Simon, Duccio Griffini and Raffaele Squarcini
Regenerative pumps are characterized by a low specific speed that place them between rotary positive displacement pumps and purely radial centrifugal pumps. They are interesting for many industrial applications since, for a given flow rate and a specifie...
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Yong Qiu, Chi Zhang, Bing Li, Ji Li, Xiaoyuan Zhang, Yanchen Liu, Peng Liang and Xia Huang
Oxidation ditches are popularly used in rural areas and decentralized treatment facilities where energy deficiency is of concern. Aeration control technologies are well established for diffusion systems in order to improve energy efficiency, but there ar...
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Nader Saniei and Albert C.J. Luo
Pág. 583 - 601
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Muhsin Kilic and J. Michael Owen
Pág. 394 - 400
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