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Andreas G. Fotopoulos and Dionissios P. Margaris
Our study presents the computational implementation of an air lubrication system on a commercial ship with 154,800 m3 Liquified Natural Gas capacity. The air lubrication reduces the skin friction between the ship?s wetted area and sea water. We analyze t...
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He Liu, Huiyun Cheng, Yu Dai and Xiang Zhu
Oil mist lubrication can be utilized as an emergency lubrication system in the main reducer of a helicopter. A special-design pneumatic two-fluid nozzle is the crucial system component for atomizing lubricant oil, so exploring the atomization characteris...
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Le Jiang, Yaguo Lyu, Yanjun Li, Yewei Liu, Yankun Hou and Zhenxia Liu
To study the influence of orifice spacing on the oil?air two-phase flow and the oil capture efficiency of an oil scoop in an under-race lubrication system, an experimental platform for under-race lubrication was built, and a calculation model for the oil...
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Chih-Yung Huang, Cheng-Kang Hu, Chih-Jie Yu and Cheng-Kuo Sung
This study presents an experimental investigation of a piston engine driven by compressed air. The compressed air engine was a modified 100 cm3 internal combustion engine obtained from a motorcycle manufacturer. The experiments in this study u...
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He Liu, Yu Dai, Jifu Jia and Xiang Zhu
Lubricating oil flow characteristics are the primary concern in the main reducer of light helicopters. To improve the lubricating performance of the main reducer, a special lubrication system is innovatively constructed by adding two oil-guiding tubes to...
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Ange Nsilani Kouediatouka, Qiang Ma, Qi Liu, Fagla Jules Mawignon, Faisal Rafique and Guangneng Dong
Surface texture is regarded as a promising solution for enhancing the tribological features of industrial materials due to its outstanding benefits, such as minimization of the contact area, enhancement of the load bearing capacity, storage of the lubric...
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Vladimir Kodnyanko, Stanislav Shatokhin, Andrey Kurzakov, Yuri Pikalov, Iakov Pikalov, Olga Grigorieva, Lilia Strok and Maxim Brungardt
Aerostatic bearings are attractive, with minimal friction losses, high durability, and environmental friendliness. However, such designs have a number of disadvantages, including low load-bearing capacity and high compliance due to high air compressibili...
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Michael Flouros, Peter Gloeckner, Markus Hirschmann, Matthias Martin, Francois Cottier and Dimitra Papailia
Rolling element bearings for aero engine applications have to withstand very challenging operating conditions because of the high thermal impact due to elevated rotational speeds and loads. The high rate of heat generation in the bearing has to be sustai...
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Michael Flouros, Peter Gloeckner, Markus Hirschmann, Matthias Martin, Francois Cottier and Dimitra Papailia
Rolling element bearings for aero engine applications have to withstand very challenging operating conditions because of the high thermal impact due to elevated rotational speeds and loads. The high rate of heat generation in the bearing has to be sustai...
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