Results 61 to 70 of about 4,429,001 (256)

Computer program calculates wing aerodynamic characteristics for fixed wings with dihedral and variable-sweep wings at subsonic speeds [PDF]

, 1967
Vortex lattice is used to describe the lifting surface of an arbitrary wing planform in steady potential subsonic compressible flow in computer program which calculates wing aerodynamic characteristics.
Lamar, J. E., Margason, R. J.
core   +1 more source

Research on structure design and flow field characteristics of the novel jet bit for radial horizontal drilling

Energy Science & Engineering, 2018
The self‐propelled swirling jet bit was designed to ensure the rock‐breaking efficiency of radial horizontal drilling and meet the roundness of borehole diameter and borehole shape.
G. Bi, Mengmeng Li, L. Dou, Zhan Qu
semanticscholar   +1 more source

Computational fluid dynamics simulations of the flow field characteristics in a novel exhaust purification muffler of diesel engine

Journal of Low Frequency Noise Vibration and Active Control, 2018
The purpose of this paper is to improve the emission performance of diesel engines. A novel exhaust purification muffler was proposed and designed. The flow field characteristics of the exhaust purification muffler were studied based on the finite volume
Fu Jun, Zhang Zengfeng, Chen Wei, Mao Hong, Ling Jianxing   +4 more
semanticscholar   +1 more source

Digital program analyzes supersonic flow field within bell-shaped rocket nozzles [PDF]

, 1970
Digital computer program computes and analyzes supersonic flow field in axisymmetric rocket nozzle for specified gas properties, nozzle geometry, and input or starting line.
Elliott, J. J., Stromsta, R. R.
core   +1 more source

Effect of Sand Content in Produced Liquid on Separation Performance of Axis-in Inverted Cone Hydrocyclone

Shiyou jixie, 2020
To study the application of downhole hydrocyclones in sand conditions and obtain the best separation effect, based on the computational fluid dynamics method, the Reynolds stress model is adopted, and the axis-in inverted cone hydrocyclone is taken as ...
Zhang Yong, Yin Cunxiao, Zhang Yan, Jiang Minghu, Xing Lei   +4 more
doaj  

Analysis of flow field characteristics of multi-degree-of-freedom motor with air-floatation

Advances in Mechanical Engineering, 2021
In order to combine the working performance of the motor and the specific requirements for accuracy, a model combining gas bearing with multi-degree-of-freedom (MDOF) motor is invoked.
Zheng Li, Xuanxuan Xing, Xueting Wang, Shenhui Du, Hexu Sun   +4 more
doaj   +1 more source

On the multispacecraft determination of periodic surface wave phase speeds and wavelengths [PDF]

, 2010
Observations of surface waves on the magnetopause indicate a wide range of phase velocities and wavelengths. Their multispacecraft analysis allows a more precise determination of wave characteristics than ever before and reveal shortcomings of ...
A. N. Fazakerley, Bai, Balogh, Belmont, C. Foullon, C. J. Farrugia, C. J. Owen, Chandrasekhar, Chen, Chen, De Keyser, De Keyser, De Keyser, Elphic, F. T. Gratton, Fairfield, Fairfield, Farrugia, Farrugia, Foullon, Foullon, Foullon, Foullon, Fujimoto, Hasegawa, Hasegawa, Hasegawa, Hasegawa, Hones, Kokubun, Lavraud, Manuel, Mills, Miura, Miura, Miura, Miura, Nykyri, Ogilvie, Otto, Owen, Phan, R. B. Torbert, Roelof, Russell, Saunders, Schwartz, Southwood, Thomas, Torrence, Walker, Wright, Wu   +52 more
core   +2 more sources

Adaptability Analysis of the LW350 Centrifuge Based on Fluid-Solid Coupling

Shiyou jixie, 2020
To study the flow field characteristics of the centrifuge and the mechanical characteristics of its key structures, taking the LW350 centrifuge for case study, a model of the centrifuge fluid domain and screw conveyor was established.
Liu Hongbin, Zhang Yihao, Liu Li, Huang Xiao, Zhu Tianji   +4 more
doaj  

Proposal Flow [PDF]

, 2016
Finding image correspondences remains a challenging problem in the presence of intra-class variations and large changes in scene layout.~Semantic flow methods are designed to handle images depicting different instances of the same object or scene ...
Cho, Minsu, Ham, Bumsub, Ponce, Jean, Schmid, Cordelia   +3 more
core   +5 more sources

The characteristics of the flow field over the mid-upper fuselage of Lancaster P. A. 474 [PDF]

, 1956
This note describes a series of tests conducted to determine the characteristics of the flow field over the mid-upper fuselage of. Lancaster P. A, 474.
Burrows, F. M.
core