Zobrazeno 1 - 10
of 555
pro vyhledávání: '"flow field analysis"'
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 37, Iss 1, Pp 1-13 (2024)
Abstract Aiming at problems such as slow cutting speed, poor cutting quality and inability to cut thick plates effectively with traditional single-layer nozzle structure, it is proposed to add an outer ring core to form a double-layer nozzle structur
Externí odkaz:
https://doaj.org/article/5da812bf425b404b917bbb570a74ebb4
Publikováno v:
Iranica Journal of Energy and Environment, Vol 15, Iss 4, Pp 452-459 (2024)
In this paper, a new type of wind collection device that can generate rotating wind for wind power generation has been designed to address the shortcomings of current wind power generation devices. This device can collect wind energy from different d
Externí odkaz:
https://doaj.org/article/2ea871e41e7244f895dff0d6fa423398
Publikováno v:
气体物理, Vol 9, Iss 5, Pp 65-71 (2024)
Supercritical jet technology, as a new technology of supercritical fluid development, has important applications in aerospace engines, carbon sequestration, deep oil and gas extraction and other aspects. At present, the research on supercritical flui
Externí odkaz:
https://doaj.org/article/10a334bc8a13466c9eb3edfc1d45bcee
Publikováno v:
Energy Storage and Saving, Vol 3, Iss 3, Pp 231-241 (2024)
Cavitation occurs in the micro-clearance of liquid-hydrogen-lubricated bearings owing to the pressure drop caused by high-speed shearing. The pressure undulation caused by cavitation collapse results in bearing surface erosion and significantly affec
Externí odkaz:
https://doaj.org/article/ca8d2ee340064c0b9bdcb6fc801335d3
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 9, Pp 2045-2060 (2024)
This study utilizes numerical simulations and dimensional analysis to investigate the impact of the two-phase outlet on flow field characteristics and separation efficiency of the separator. The study revealed a boundary layer separation at the water
Externí odkaz:
https://doaj.org/article/d075c463c0fa48fb8b0c4715deb90398
Autor:
NAN Jiangjiang, ZHU Bin
Publikováno v:
Guan'gai paishui xuebao, Vol 43, Iss 5, Pp 38-44 (2024)
【Objective】 Hydrodynamics in the inlet system of the pumping station plays a pivotal role in its operation. This paper investigates the variation in flow characteristic in a modified pumping station using numerical simulation. 【Method】 We use
Externí odkaz:
https://doaj.org/article/3d39f29ecdd443a3b91b61e44c753eca
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 7, Pp 1430-1443 (2024)
Noise is one of the key indicators to evaluate axial flow fans, and in many cases, it is also the only indicator for determining their suitability for use. In this study, a new method to reduce axial fan’s noise was proposed for changing the sectio
Externí odkaz:
https://doaj.org/article/59adbe161a2a482c88eccd3fea564935
Autor:
Andrea Zifarelli, Giuseppe Negro, Lavinia A. Mongelli, Angelo Sampaolo, Ezio Ranieri, Lei Dong, Hongpeng Wu, Pietro Patimisco, Giuseppe Gonnella, Vincenzo Spagnolo
Publikováno v:
Photoacoustics, Vol 38, Iss , Pp 100625- (2024)
Here we present a computational and experimental fluid dynamics study for the characterization of the flow field within the gas chamber of a Quartz-Enhanced Photoacoustic Spectroscopy (QEPAS) sensor, at different flow rates at the inlet of the chambe
Externí odkaz:
https://doaj.org/article/d99c38e16353497f978b3c7f51af4973
Publikováno v:
Shipin yu jixie, Vol 39, Iss 10, Pp 93-99 (2023)
Objective: Taking polylactic acid （PLA） as an example, the flow channel distribution of twin-screw extrusion under different pitch was studied. Methods: In Solidworks, two 3D models with variable pitch and constant pitch were drawn according to t
Externí odkaz:
https://doaj.org/article/066c3eb233bc4d9a933ed4346b648b0f
Publikováno v:
Shipin yu jixie, Vol 39, Iss 6, Pp 99-104 (2023)
Objective: To improve the mixing efficiency and working performance of the new twin-screw extruder. Methods: A new twin-screw extruder with embedded planetary gear train and kneading block was designed. A three-dimensional model was established by So
Externí odkaz:
https://doaj.org/article/ef256afb1bd34430a777362711a55ef6