Zobrazeno 1 - 10
of 689
pro vyhledávání: '"Kriging surrogate model"'
Publikováno v:
IEEE Access, Vol 12, Pp 51115-51129 (2024)
The nozzle, converting pressure into kinetic energy, is the key component of fire extinguishing equipment, and its structure seriously affects the jet performance of fire monitors. In this study, the three-phase jet fire monitor (TPJFM) nozzle is tak
Externí odkaz:
https://doaj.org/article/21434e6101384df189c880eadeae51d9
Publikováno v:
Machines, Vol 12, Iss 11, p 821 (2024)
This study investigates the impact of rotor structure, material selection, and cooling methods on ultra-high-speed motor performance, revealing performance variation laws under multi-physical field coupling. Considering mechanical boundary constraint
Externí odkaz:
https://doaj.org/article/aabe22aca0f04482992180bafa9d761a
Autor:
Zheng Gu, Jinlin Liu
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 10, p 1812 (2024)
To improve the performance indexes, such as safety, reliability and acoustic stealth, of a submarine, it is significant to optimize the dynamic characteristics of its propulsion shafting. The alignment state of a shafting has a coupling effect on its
Externí odkaz:
https://doaj.org/article/bb21a7d0e8d84309ba1901e9dd403a6c
Publikováno v:
Medicine in Novel Technology and Devices, Vol 22, Iss , Pp 100291- (2024)
Background: Mg alloys have attractive properties, including biocompatibility, biodegradability, and ideal mechanical properties. Moreover, Mg alloys are regarded as one of the promising candidates for manufacturing ureteral stents. This study propose
Externí odkaz:
https://doaj.org/article/a4603c70e17944b1aa8ac5e8c1990841
Publikováno v:
Aerospace, Vol 11, Iss 9, p 761 (2024)
Enhancing thermal efficiency and minimizing weight are prevailing issues in aero engines. Owing to its hollow structure, the twin-web turbine disc exhibits remarkable weight reduction properties, while its enhanced cooling constitutes a novel challen
Externí odkaz:
https://doaj.org/article/e3ee36b29c0d42aaa5887cadce3d2c3e
Publikováno v:
Aerospace, Vol 11, Iss 8, p 668 (2024)
The metal fibre surface combustion structure has the characteristics of strong thermal matching ability, short response time, and strong shape adaptability. It has more advantages in the thermal test of complex hypersonic vehicle surface inlet, leadi
Externí odkaz:
https://doaj.org/article/2e77db0c76494b3480bf1c022f8d5f01
Publikováno v:
Lubricants, Vol 12, Iss 8, p 293 (2024)
Ball bearings operating at low speeds and under heavy loads are susceptible to wear failure, leading to significant economic losses. The existing reliability-based robust design optimization method of the fourth-moment method has high accuracy and do
Externí odkaz:
https://doaj.org/article/c3de46b2b59c44d6ad3bdb1525d90b7e
Publikováno v:
Hangkong bingqi, Vol 30, Iss 3, Pp 74-79 (2023)
Using drones to intercepting drones is an effective and affordable means of countering UAVs. In this paper, for a canard interceptor UAV, the Reynolds-averaged N-S equation (RANS) is used to calculate the flow field, and the Kriging surrogate model a
Externí odkaz:
https://doaj.org/article/11fede1ad499423f92ec3f59e14e1aa8
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 17, Iss 1 (2023)
Shape optimization of single box girder allows the bridge to achieve the most favourable aerodynamic performance. Currently, aerodynamic optimization of bridge deck is usually achieved by traversing all potential schemes using wind tunnel tests or co
Externí odkaz:
https://doaj.org/article/04f68f122c5d4aef893fe583027aeaa3
Publikováno v:
Jixie qiangdu, Pp 879-886 (2023)
In order to solve the optimization design problem of complex shape of underwater glider and improve the optimization efficiency of Kriging surrogate model while improving its lift drag ratio, an adaptive surrogate optimal algorithm is proposed. The p
Externí odkaz:
https://doaj.org/article/2bca7d58172343eca1e384f182846b6c