Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Zhao Ning Zhang"'
Autor:
Dong Man Zhang, Zhao Ning Zhang
Publikováno v:
Advanced Materials Research. :2283-2291
During the course of flight, we need to estimate regional sector dynamic capacity in order to assure the safety and efficiency of operation. Subjected to the controller workload and the decrease of CNS performance under the hazardous weather, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59c39ddd58bba6a1e0c651e5bef7be95
https://doi.org/10.4028/www.scientific.net/amr.1030-1032.2283
https://doi.org/10.4028/www.scientific.net/amr.1030-1032.2283
Publikováno v:
Advanced Materials Research. :2028-2033
Paired departure to closed spaced parallel runways can effectively improve capacity of terminal, and also can solve congestion of busy airport, but it also increases the complexity of air traffic control .For ensuring safety operation of paired depar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a06b185fa490715d90277af6ac766c7
https://doi.org/10.4028/www.scientific.net/amr.1030-1032.2028
https://doi.org/10.4028/www.scientific.net/amr.1030-1032.2028
Publikováno v:
Advanced Materials Research. :2245-2253
This paper is aimed to evaluate the collision risk in free flight. The collision risk between aircrafts is mostly closely relates to position error, due to which the actual position of the aircraft is different from the displaying position and the fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e3ef624f31d3ffcf9daf4ddbaeb501f
https://doi.org/10.4028/www.scientific.net/amr.1030-1032.2245
https://doi.org/10.4028/www.scientific.net/amr.1030-1032.2245
Publikováno v:
Applied Mechanics and Materials. 538:127-133
To alleviate the conflicts between the current flight traffic demand and the resource constraints of airspace, we need to improve the restrictions of flow allocation caused by the static air traffic flow allocation mode. The author analyzes the optim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d83c472a5697961c4eecdc0047269f0
https://doi.org/10.4028/www.scientific.net/amm.538.127
https://doi.org/10.4028/www.scientific.net/amm.538.127
Publikováno v:
Applied Mechanics and Materials. 538:134-145
In order to guarantee the safety of flight in free flight environment, the minimum safety distance is needed to study. Considering the response delay of pilots and the lead time prior to initiating a maneuver, the latest maneuver moment is proposed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52a8149dee6f698a055394991b6afaaa
https://doi.org/10.4028/www.scientific.net/amm.538.134
https://doi.org/10.4028/www.scientific.net/amm.538.134
Autor:
Ai Ping Jia, Zhao Ning Zhang
Publikováno v:
Applied Mechanics and Materials. :3964-3971
Using the method of stochastic differential equations to analysis two aircrafts and to establish the aircraft flight collision risk model. First the relative position and speed of the aircraft on the joint distribution density should be confirmed, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b6049eb4d20eb433af2027101d9c8ca
https://doi.org/10.4028/www.scientific.net/amm.513-517.3964
https://doi.org/10.4028/www.scientific.net/amm.513-517.3964
Autor:
Zhao Ning Zhang
Publikováno v:
Applied Mechanics and Materials. :1328-1331
Due to vehicle load, shrinkage, creep, temperature and other factors, the strength and stiffness degenerate increasingly for the pre-stressed concrete continuous beam bridge in service. The problem, such as cracking, excessive deflection in the mid-s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6ddd79d02efcd0b7e497afd6eda6a3d
https://doi.org/10.4028/www.scientific.net/amm.501-504.1328
https://doi.org/10.4028/www.scientific.net/amm.501-504.1328
Autor:
Zhao Ning Zhang
Publikováno v:
Applied Mechanics and Materials. :1108-1111
Due to the shrinkage, creep, friction and other factors, the pre-stress applied to the beam is not a constant. It is important to obtain the information of the pre-stress in order to ensure security of the bridge in service. To solve the problem ment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::632eb46a0cc1a7b8db71d756077271e0
https://doi.org/10.4028/www.scientific.net/amm.351-352.1108
https://doi.org/10.4028/www.scientific.net/amm.351-352.1108
Publikováno v:
Advanced Materials Research. :1482-1488
Based on the foundation of heat conduction equation, this paper analyses the Yellow River bridge liujiaxia anchorage of mass concrete temperature field and stress field in the natural cooling and stratified pouring time interval for 7 days to circums
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8cdd1ec609863847e0220c6d7f4e447
https://doi.org/10.4028/www.scientific.net/amr.724-725.1482
https://doi.org/10.4028/www.scientific.net/amr.724-725.1482
Autor:
Zhao Ning Zhang, Ke Xing Li
Publikováno v:
Advanced Materials Research. :1012-1015
Due to the environment, climate, loads and other factors, the pre-stress applied to the beam is not a constant. It is important for engineers to track the state of the pre-stress in order to ensure security of the bridge in service. To solve the prob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::466000abaec3057af8c754898e2a14ac
https://doi.org/10.4028/www.scientific.net/amr.671-674.1012
https://doi.org/10.4028/www.scientific.net/amr.671-674.1012