Results 91 to 100 of about 3,746,446 (211)

Optimization Design and Experiment of a Cotton Straw-Crushing Device Based on Computational Fluid Dynamics

Agriculture
In order to design the structure and optimize the working parameters of a straw-crushing device, and to improve the qualified rate of straw-crushing length and the rate of straw fluidity, the influence of the airflow characteristics and pressure ...
Tao Wu, Xuegeng Chen, Limin Yan, Haixiao Gou, Ying Li, Jinhao Zhang, Xuanhe Fu   +6 more
doaj   +1 more source

Research on Identification Method of Wear Degradation of External Gear Pump Based on Flow Field Analysis. [PDF]

Sensors (Basel), 2020
Guo R, Li Y, Shi Y, Li H, Zhao J, Gao D.
europepmc   +1 more source

Investigation of mesoscale pre-convective forcing mechanisms [PDF]

, 1984
The installation and testing of a numerical mesoscale boundary layer model is discussed. A data analysis is first made using the rawinsonde network which shows a strong baroclinic zone developing in the region where convection was initiated. The observed
Mcnider, R. T.
core   +1 more source

Effect of Nozzle Axis Offset on the Ejection Performance of Jet Pumps

Shiyou jixie
Jet pumps are widely applied in production enhancement of gas wells in the Qingshimao region. In practices， jet pumps are commonly installed and lowered into wellbores based on experience.
Li Wanzhong, Zhang Zhenyu, Guo Chenhao, Sun Jiachen, Zhao Zhengyan, Mao Xianrong   +5 more
doaj  

Flow Field Analysis and Structure Optimization of Ultrahigh Pressure Abrasive Water Jet Nozzle

Shiyou jixie, 2017
To attain the optimal jet characteristics of ultrahigh pressure nozzle and improve the working efficiency of abrasive water jet cutting equipment, the calculation method of accelerating of fluid and abrasive particles in nozzle cone and cylinder section ...
Wang Chao, Dong Jian, Ju Shaodong, Wang Junji, Zhu Yingli, Wang Juan   +5 more
doaj  

Laminar flow analysis of plane disk slinger seal [PDF]

Flow and temperature field analysis of a plane disk slinger ...
Reshotko, E., Rosenthal, R. L.
core   +1 more source

CFD Analysis and Preliminary Experimental Verifications of Supercritical CO2-N2 Multiphase Jet Process

气体物理
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.
Wangping XI, Dong YANG, Lin CHEN
doaj   +1 more source

The determination of velocity fluctuations in shear flows by means of PTV [PDF]

, 2002
The present study considers the effects of some parameters in image acquisition and analysis procedures in connection with the use of the Particle Tracking Velocimetry (PTV) technique.
GULLO G, MORONI, Monica, QUERZOLI G, ROMANO, Giovanni Paolo   +3 more
core  

Large Eddy Simulation of Flow Around Twin Tower Buildings in Tandem Arrangements with Upstream Corner Modification

Atmosphere
The aerodynamic performance of twin tall buildings immersed in the atmospheric boundary layer was numerically investigated by adopting the spatial-averaged large eddy simulation (LES) method.
Deqian Zheng, Xueyuan Wu, Yuzhe Zhu, Wenyong Ma, Pingzhi Fang   +4 more
doaj   +1 more source

Correlation of laser velocimeter measurements over a wing with results of two prediction techniques [PDF]

The flow field at the center line of an unswept wing with an aspect ratio of eight was determined using a two dimensional viscous flow prediction technique for the flow field calculation, and a three dimensional potential flow panel method to evaluate ...
Hepner, T. P., Hoad, D. R., Meyers, J. F., Young, W. H., Jr.   +3 more
core   +1 more source