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Relevant bibliographies by topics / APEX ANGLE OF THE CONE

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Academic literature on the topic 'APEX ANGLE OF THE CONE'

Author: Grafiati

Published: 11 September 2023

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Journal articles on the topic "APEX ANGLE OF THE CONE"

1

Stefas, Nikolaos, Patrick A. Plonski, and Volkan Isler. "Approximation algorithms for tours of orientation-varying view cones." International Journal of Robotics Research 39, no. 4 (2020): 389–401. http://dx.doi.org/10.1177/0278364919893455.

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This article considers the problem of finding a shortest tour to visit viewing sets of points on a plane. Each viewing set is represented as an inverted view cone with apex angle [Formula: see text] and height [Formula: see text]. The apex of each cone is restricted to lie on the ground plane. Its orientation angle (tilt) [Formula: see text] is the angle difference between the cone bisector and the ground plane normal. This is a novel variant of the 3D Traveling Salesman Problem with Neighborhoods (TSPN) called Cone-TSPN. One application of Cone-TSPN is to compute a trajectory to observe a giv

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2

ZHAO, ZIJIE, CHAO GAO, FENG LIU, and SHIJUN LUO. "PLASMA FLOW CONTROL OVER FOREBODY AT HIGH ANGLES OF ATTACK." Modern Physics Letters B 24, no. 13 (2010): 1405–8. http://dx.doi.org/10.1142/s0217984910023736.

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Forward blowing from a pair of plasma actuators on the leeward surface and near the apex is used to switch the asymmetric vortex pair over a cone of semi-apex angle 10° at high angles of attack. Wind tunnel pressure measurements show that by appropriate design of the actuators and appropriate choice of the AC voltage and frequency, side forces and yawing moments of opposite signs can be obtained at a given angle of attack by activating one of the plasma actuators. Further work is suggested.

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3

Bourgeois, Laure, Yoshio Bando, Satoshi Shinozaki, Keiji Kurashima, and Tadao Sato. "Boron nitride cones: structure determination by transmission electron microscopy." Acta Crystallographica Section A Foundations of Crystallography 55, no. 2 (1999): 168–77. http://dx.doi.org/10.1107/s0108767398008642.

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A form of turbostratic boron nitride containing a large percentage of micrometre-size conically shaped particles was investigated by transmission electron microscopy. Electron diffraction patterns revealed the presence of correlations between adjacent boron nitride layers. The diffraction patterns were also used to determine the cone apex angle of many cone-like objects. The apex angles exhibited a broad distribution from 84 to 130° with an ill defined peak in the 92–95° region. These results could be accounted for by a structure model in which conical boron nitride layers are helically wound

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4

Huang, Geng, and Huan Liu. "Thermal Elastohydrodynamic Lubrication Analysis for Rolling Cone Enveloping End Face Worm Drive." Journal of Physics: Conference Series 2459, no. 1 (2023): 012105. http://dx.doi.org/10.1088/1742-6596/2459/1/012105.

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Abstract To explore the thermal elastohydrodynamic lubrication performance of rolling cone enveloping end face worm drive, the mathematical model of thermal elastohydrodynamic lubrication is established based on the meshing theory of rolling cone enveloping end face worm drive and elastohydrodynamic lubrication theory. With the help of the numerical analysis software MATLAB, the thermal elastohydrodynamic lubrication performance under smooth conditions is selectively analyzed by the multigrid method. Besides, the effects of throat coefficient, cone apex radius and half cone angle of the rollin

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5

Pincus, HJ, V. Silvestri, and Y. Fahmy. "Influence of Apex Angle on Cone Penetration Factors in Clay." Geotechnical Testing Journal 18, no. 3 (1995): 315. http://dx.doi.org/10.1520/gtj11000j.

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6

WANG, JIANLEI, HUAXING LI, FENG LIU, and SHIJUN LUO. "CHARACTERISTICS OF FORE-BODY SEPARATE FLOW AT HIGH ANGLE OF ATTACK UNDER PLASMA CONTROL." Modern Physics Letters B 24, no. 13 (2010): 1401–4. http://dx.doi.org/10.1142/s0217984910023724.

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A pair of plasma actuators with horseshoe shape is proposed for dynamic manipulation of forebody aerodynamic load at high angles of attack. Preliminary wind tunnel pressure measurements show that asymmetric force over a conical forebody with semi-apex angle 10° can be manipulated by activating the plasma actuator mounted on one side of the cone tip. Further work is suggested.

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7

Li, Peng Fei, Shi Pan, Shi Fa Wu, Yin Li Li, and Wei Sun. "Fabrication of a Brush-Shaped Bent Fiber Probe for Near-Field Optics by Heated Pulling Combined with Chemical Etching." Solid State Phenomena 121-123 (March 2007): 689–92. http://dx.doi.org/10.4028/www.scientific.net/ssp.121-123.689.

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We developed a method to fabricate bent fiber probe: heated pulling combined with chemical etching. Based on sampling theory, the resolving power of SNOM relates to the size of the probe tip. If the apex of the probe is smaller, the resolution ability of SNOM is higher. At the same time it can collect more near-field information through bigger cone angle of probe. Through improving the operation and optimizing the parameters of the heated-pulling instrument, we can obtain the probe with bent angle fiber varying from 120-150 degree, the cone angle varying from 40-90 degree and the apex diameter

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8

Kererat, C. "Bearing Capacity Investigation of Silty Sandy Soil Layer Using Kunzelstab Test." Journal of Applied Engineering Sciences 6, no. 1 (2016): 57–61. http://dx.doi.org/10.1515/jaes-2016-0006.

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Abstract This study presents the effect of the 3 apex angles of cone and water levels on the bearing capacity of silty sandy soil (SM) layer by interpreting results from Kunzelstab test. The SM soil layer was prepared in the testing tank and it was used as the representative of sandy soil for some area in Thailand. As the results, the cone angle increase, a number of blows increase and the adjusted factors of the blows from the apex angles of 60° and 180 º to be that of the apex angle of 90º (control) were 1.118 and 0.878, respectively. The obtained correlation between the blows and the intern

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9

Deng, Jun, Gui Hua Liu, and Li Yue. "A Novel Method of Cone Fitting Based on 3D Point Cloud." Applied Mechanics and Materials 722 (December 2014): 321–26. http://dx.doi.org/10.4028/www.scientific.net/amm.722.321.

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The accuracy and stability of circular conical surface is easily influenced by the different distribution of noise and points in point cloud, when 3D point cloud data fits conical surface. For this reason, this paper proposes a novel method of establishing and optimizing the objective function with conical vertex. First, calculate the axis direction and half-apex angle of the cone; second, calculate conical vertex according to the result got in the first step; third, establish objective function with axis direction and half-apex angle and vertex, and optimize it with Levenberg-Marquardt. The m

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10

Qin, Hua, and Cun Zhi Sun. "Design of Novel Beam Demagnifier Based on Total Reflection -Refraction." Advanced Materials Research 338 (September 2011): 22–25. http://dx.doi.org/10.4028/www.scientific.net/amr.338.22.

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A novel beam demagnifier(a cone) is presented based on total internal reflection-refraction principle, and the light propagation characteristics inside the cone were studied by using ray-tracing method and computer simulation. This paper presents several proof-theoretic results concerning a cone as a beam demagnifier under certain conditions. When the semiapex angle of the cone is equal to a series of specific values an output beam is parallel to an incident beam, the beam's diameter narrows, and the demagnification ratio of the cone is a function of apex angle and there exists a series of ext

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