Zobrazeno 1 - 10
of 42
pro vyhledávání: '"shaft tubular pump"'
Publikováno v:
Guan'gai paishui xuebao, Vol 42, Iss 3, Pp 82-89 (2023)
【Objective】 Bidirectional shaft tubular pump is a device commonly used in hydraulic projects. The aim of this paper is to study the impact of guide vane numbers on the force imposed to the pump when it is under different working conditions. 【Me
Externí odkaz:
https://doaj.org/article/fda8d1ba3e2f468b924611722c40b669
Publikováno v:
Guan'gai paishui xuebao, Vol 40, Iss 11, Pp 73-78 (2021)
【Objective】 Hydraulic loss is a great concern in designing hydraulic apparatus and the objective of this paper is to investigate how to reduce it in the outlet conduit so as to improve the performance of shaft tubular pump. 【Method】 The analy
Externí odkaz:
https://doaj.org/article/d7c2b58628fc4d29a6c73392a2ae99e4
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 8, p 1512 (2023)
This study aimed to reveal the energy loss characteristics of each part of the shaft tubular pump device (STPD) under stall conditions. Numerical simulations were conducted by using the SST k-ω turbulence model with curvature correction, and the rel
Externí odkaz:
https://doaj.org/article/a785fd4c3c1a4cd98c1dd5164bfe084b
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
The shaft tubular pump device is widely used in low head pumping stations in plain areas. The N-S equation and the SST k-ω turbulence model are adopted. Then, the investigation on the influence of the shaft transition form on the inflow pattern and
Externí odkaz:
https://doaj.org/article/7f9180481edb4921994117adabea370a
Publikováno v:
Guan'gai paishui xuebao, Vol 40, Iss 4, Pp 52-59 (2021)
【Background】 Shaft tubular pump is a new pumping device with its generator installed in an open shaft, which is moisture-proof and has good ventilation. It has several advantages including easy operation and maintenance, low cost, and simple stru
Externí odkaz:
https://doaj.org/article/bf3efe0e6b5e49658d527cf0e1ac9cd7
Publikováno v:
Entropy, Vol 25, Iss 7, p 995 (2023)
The unstable flow of a shaft tubular pump device (STPD) leads to energy loss, thereby reducing its efficiency. The aim of this study is to investigate the distribution pattern of energy loss in STPDs. This paper reveals that the two components with t
Externí odkaz:
https://doaj.org/article/103b6f9d190740838bbf9943a81f5d9c
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 6, p 750 (2022)
For pumping station projects in plain areas, shaft tubular pump devices are often used due to the low head. In actual operation, the common working range of the pump device is generally 0.8 Qbep~1.2 Qbep. Therefore, it is of great significance to stu
Externí odkaz:
https://doaj.org/article/98af9d4e72a94b51a719d776b3880735
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 5, p 671 (2022)
In order to study the characteristics of a bidirectional shaft tubular pump with S-type symmetric airfoil blades, a prototype model was designed, manufactured, and tested. The energy characteristics, cavitation characteristics, and runaway characteri
Externí odkaz:
https://doaj.org/article/ae7f3af3ef1843e0ad0cda8215399564
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 1, p 8 (2021)
The shaft front-positioned tubular pump device has been widely used in practical engineering, but the shaft rear-positioned pump device is rarely used due to its low efficiency. To investigate the effect of the shaft position on the performance of a
Externí odkaz:
https://doaj.org/article/7b10fe9c7cc84ac2b66fe0df5c2a7137
Publikováno v:
Entropy; Volume 25; Issue 7; Pages: 995
The unstable flow of a shaft tubular pump device (STPD) leads to energy loss, thereby reducing its efficiency. The aim of this study is to investigate the distribution pattern of energy loss in STPDs. This paper reveals that the two components with t