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Roman Major, Maciej Gawlikowski, Marcin Surmiak, Karolina Janiczak, Justyna Wiecek, Przemyslaw Kurtyka, Martin Schwentenwein, Ewa Jasek-Gajda, Magdalena Kopernik and Juergen M. Lackner
A major medical problem of state-of-the-art heart ventricular assist devices (LVADs) is device-induced thrombus formation due to inadequate blood-flow dynamics generated by the blood pump rotor. The latter is a highly complex device, with difficulties du...
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Bo-Yan Zhang, Sen Dou, Song Guan, Chuang Yang and Zhao Wang
The continuous input, slow decomposition, and retention of straw can impede tillage and crop growth, and the decomposition process of the straw in soil is affected by its composition and the method of application. Experimental Station of Jilin Agricultur...
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Hongwei An, Xiaoyuan Hu, Scott Draper, Liang Cheng, Binsar Lubis and Mehrdad Kimiaei
A physical model testing method to determine the hydrodynamic force coefficients of an object is proposed and applied to an articulated concrete mattress placed on a flat surface under steady current condition. The test setup, which comprises of a pulley...
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Jiawei Deng and Feng Yao
The transportation and surface deposition of aerosols from sneezing in a small indoor farmers? market are studied numerically. The effects of numbers and locations of the entrances and exits of the market are discussed under the condition of natural conv...
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Sung-Jun Lee, Gang-Min Kim and Chang-Lae Kim
The purpose of this study is to improve the mechanical durability and surface frictional characteristics of polymer/ceramic-based composite materials. Polydimethylsiloxane (PDMS)/glass bubble (GB) composite specimens are prepared at various weight ratios...
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Larysa Yuzevych,Ruslan Skrynkovskyy,Volodymyr Yuzevych,Vitalii Lozovan,Grzegorz Pawlowski,Mykhailo Yasinskyi,Ihor Ogirko
Pág. 56 - 64
A set of key parameters and information flows has been formed to simulate stages of probing the outside surface of underground metal pipelines (UMP) taking into account pH of the soil contacting with the pipe metal.Specimens of 17G1S steel placed in acid...
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Rong Zhu, Xinyu Wang, Jing Yang, Yiyu Wang, Zongrui Zhang, Yuanjing Hou, Fei Lin and Yi Li
Abstract: In this study, we have fabricated a series of polycarbonate polyurethanes using a two-step bulk reaction by the melting pre-polymer solution-casting method in order to synthesize biomedical polyurethane elastomers with good mechanical behavior ...
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?????? ?????????? ???????, ????????? ?????????? ????????, ????????? ????????????? ??????
Pág. 36 - 45
The subject of the research in the article are questions connected with the refined solutions of the isothermal stationary problem for the lubricating cooling liquid in the Newtonian state, taking into account the forces acting in the meshing of the cyli...
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A. J. Kulichenko,N. O. Kuzin,I. O. Vakulenko
Pág. 44 - 52
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V. V. ?rtemchuk
Pág. 46 - 54
In this paper we examine the effect of physico-mechanical properties of materials on the wear of the contacting pairs. The results of theoretical modeling of wear and tear, when the surface layer is composed of several layers with different characteristi...
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