Zobrazeno 1 - 10
of 287
pro vyhledávání: '"Prototype test"'
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The efficiency of the pump device is an important parameter to judge the overall dynamic performance of the pumping station. The commonly used method at home and abroad is to carry out model tests of the pump device. The performance parameters of the
Externí odkaz:
https://doaj.org/article/f9402b561c0c4fe9aa5ca0f5da59ed46
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 2, Pp 90-100 (2024)
To improve the load-bearing of transmission tower micropile foundation and reduce the material cost, a modified variable diameter micropile foundation type based on group micropile is proposed in this study. The bearing characteristics and deformatio
Externí odkaz:
https://doaj.org/article/dd9c46d3dfda49c6ab340bdd997cc7bb
Autor:
Qi Luo, Xiaopeng Huang, Jinfeng Wu, Xiaobin Mou, Yanrui Xu, Shengyuan Li, Guojun Ma, Fangxin Wan, Lizeng Peng
Publikováno v:
Agriculture, Vol 14, Iss 7, p 1008 (2024)
In order to enhance the comprehensive processing quality and production efficiency of seed melons, a seed melon crushing and seed-extraction separator has been developed and designed. Aiming at the issues of high impurity rate and scratch rate of mel
Externí odkaz:
https://doaj.org/article/6f885474f62948fdbf2aa5dffd9369a7
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 2, Pp 467-476 (2023)
A multi-purpose prototype test system is developed to study the mechanical behavior of tunnel supporting structure, including a modular counterforce device, a powerful loading equipment, an advanced intelligent management system and an efficient nonc
Externí odkaz:
https://doaj.org/article/7f62ef526f144ce19e5df6013ad487a5
Publikováno v:
IEEE Access, Vol 11, Pp 52117-52128 (2023)
Large-scale variable-speed pumped storage motor-generator adopts rotor winding AC excitation technology, which can adapt to the regulation requirements of wide speed range and wide power variation. In order to adapt to the demand of dynamic change of
Externí odkaz:
https://doaj.org/article/ba70702bce334d3ca88a3cb50eb77343
Publikováno v:
IEEE Access, Vol 11, Pp 31052-31061 (2023)
The takeoff process of a seaplane is different from that of a conventional land-based plane owing to the influence of hydrostatic, hydrodynamic, and aerodynamic forces. As a result, more energy will be consumed by the electric propulsion unit (EPU) o
Externí odkaz:
https://doaj.org/article/5b7c1c4ccd5c42ecb674f9356da34f4b
Publikováno v:
Jixie chuandong, Vol 46, Pp 71-76 (2022)
According to the needs of the urban rail train connection between the drive motor and gearbox, a toothed coupling for urban rail trains is designed. During the design process, the structure of the toothed coupling, gear geometry parameters, the seali
Externí odkaz:
https://doaj.org/article/fd6538f7688d44c88b5c4ae8bfde206e
Publikováno v:
Aerospace, Vol 11, Iss 2, p 158 (2024)
The electric seaplane, designed for take-off and landing directly on water, incorporates additional structures such as floats to meet operational requirements. Consequently, during the take-off taxiing phase, it encounters significantly higher aerody
Externí odkaz:
https://doaj.org/article/28b377858bc24cfdb85e7c2b6a6e89ed
Akademický článek
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Publikováno v:
You-qi chuyun, Vol 41, Iss 4, Pp 431-437 (2022)
The evaporation of LNG is one of the important factors that influence the transportation safety of tank containers, but the characteristics of dynamic evaporation during shipping have not been clarified yet. The prototype test is the research method
Externí odkaz:
https://doaj.org/article/f1468062da6a41119a36e6ab4dc5905b