Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ren Xian Li"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
The TDIE/FDTD hybrid method is applied to calculate the transient responses of thin wire above a lossy layered half-space. The time-domain reflection of the layered half space is computed by one-dimensional modified FDTD method. Then, transient respo
Externí odkaz:
https://doaj.org/article/00ac33f2491f4118abde3f1c3ddf391c
Akademický článek
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Publikováno v:
Rare Metal Materials and Engineering. 46:3613-3620
An electrical contact-high speed imaging experimental system was developed to study the basic characteristics and laws of molten bridges of AgSnO2 electrical contact material. On the one hand, the quantitative measurements were investigated by high s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43a932b80e20c854107aca87266bdcce
https://doi.org/10.1016/s1875-5372(18)30046-8
https://doi.org/10.1016/s1875-5372(18)30046-8
Publikováno v:
Acta Physica Sinica. 69:046102
The prediction of stable state of high-entropy alloys (HEAs) is crucial to obtain fundamental insight to the excellent properties of HEAs. Taking a FeCuCrMnMo alloy as a case study, we combined Monte Carlo (MC) method with the density functional thoe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e68e028f1e00ed745e5b836ce86aed9
https://doi.org/10.7498/aps.69.20191671
https://doi.org/10.7498/aps.69.20191671
Publikováno v:
Advanced Materials Research. :643-649
For high speed trains running at 300km/h or more, the aerodynamic noise becomes the primary noise source. A good knowledge of the location, spectral characteristics and propagation behavior of the noise source and the corresponding methods to reduce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eff3671ce40959eb58ca66b095b0b764
https://doi.org/10.4028/www.scientific.net/amr.1044-1045.643
https://doi.org/10.4028/www.scientific.net/amr.1044-1045.643
Autor:
Ren Xian Li, Kun Ye
Publikováno v:
Advanced Materials Research. :58-63
The numerical calculation models of the high-speed train in the straight and different radius curve railway are established. Author calculated transverse forces (moments) acting on the three sections (first train, middle train and rear train). At the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b62635300c760b5b38bde754470fc60
https://doi.org/10.4028/www.scientific.net/amr.774-776.58
https://doi.org/10.4028/www.scientific.net/amr.774-776.58
Autor:
Ren Xian Li, Kun Ye
Publikováno v:
Applied Mechanics and Materials. :62-67
Cutting is an effective device to reduce crosswind loads acting on trains. The cutting depth, width and gradient of slope are important factors for design and construction of cutting. Based on numerical analysis methods of three-dimensional viscous i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::426f3954550a09264520385e7acb59a4
https://doi.org/10.4028/www.scientific.net/amm.300-301.62
https://doi.org/10.4028/www.scientific.net/amm.300-301.62
Autor:
Ren Xian Li, Kun Ye
Publikováno v:
Advanced Materials Research. :1794-1800
Shelter wind wall is one of the most effective devices to reduce crosswind loads acting on trains. The height of the wall and distance between the wall and the center of railway are important factors for design and construction of wind wall. Since th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f125b7eec9a420379783a58ed9f25c0d
https://doi.org/10.4028/www.scientific.net/amr.588-589.1794
https://doi.org/10.4028/www.scientific.net/amr.588-589.1794
Autor:
Sheng Ou Hu, Ren Xian Li
Publikováno v:
Advanced Materials Research. :628-633
The performance of internal combustion engine can be improved by using variable valve timing technology. but how to get the optimal inlet/export valve open or close angles under various operating conditions still relies mainly on testing calibration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b740a14009b7810b60a6748a296c871
https://doi.org/10.4028/www.scientific.net/amr.516-517.628
https://doi.org/10.4028/www.scientific.net/amr.516-517.628
Autor:
Ren Xian Li, Ming Ming Wang
Publikováno v:
Advanced Materials Research. :4118-4124
In order to investigate the effect of variable valve timing on engine power performance, fuel economy performance and emission performance quantitatively, proceed to optimize it, a high speed diese Specific Fuel Consumption, quantity of NOx and Soot,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab4b26202b98e5cb8ab4024f6223a2a4
https://doi.org/10.4028/www.scientific.net/amr.347-353.4118
https://doi.org/10.4028/www.scientific.net/amr.347-353.4118