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Artykuły w czasopismach na temat „Angular distribution analysis”

Autor: Grafiati

Data publikacji: 5 października 2024

Data aktualizacji: 31 lipca 2025

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1

Leitner, O., Z. J. Ajaltouni, and E. Conte. "An angular distribution analysis of decays." Nuclear Physics A 755 (June 2005): 435–38. http://dx.doi.org/10.1016/j.nuclphysa.2005.03.051.

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2

Guo, Li, Mingqing Liu, Ronghua Lu, Shensheng Han, and Jing Chen. "Analysis of above-threshold ionization by “Wigner-distribution-like function” method." Laser and Particle Beams 37, no. 4 (2019): 448–62. http://dx.doi.org/10.1017/s0263034619000569.

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AbstractAbove-threshold ionization (ATI) is one of the most fundamental processess when atoms or molecules are subjected to intense laser fields. Analysis of ATI process in intense laser fields by a Wigner-distribution-like (WDL) function is reviewed in this paper. The WDL function is used to obtain various time-related distributions, such as time-energy distribution, ionization time distribution, and time-emission angle distribution and so on, of atoms in laser field pulses with different laser parameters. For the linearly polarized laser pulses, the time-energy distribution intuitively shows

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3

Luo, Suichu, and David C. Joy. "A new method for quantitative analysis of EELS." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 950–51. http://dx.doi.org/10.1017/s0424820100172486.

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Techniques to remove plural scattering from electron energy loss spectra (EELS) are important in bot hmicroanalysis and other quantitative applications of electron spectroscopy. The techniques used are either based on convolution, or Fourier transform deconvolution, methods, in which either the elastic scattering angular correction or both elastic and inelastic angular corrections are not included. In this work we propose a new method based on both angular and energy loss three-dimension Poisson statistics which includes elastic and inelastic mixed angular scattering correction in order to obt

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4

Lees, Karen, Stephen Roberts, Pari Skamnioti, and Sarah Gurr. "Gene Microarray Analysis Using Angular Distribution Decomposition." Journal of Computational Biology 14, no. 1 (2007): 68–83. http://dx.doi.org/10.1089/cmb.2006.0098.

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5

Tracheva, Natalya V., and Sergey A. Ukhinov. "Two-dimensional projection Monte Carlo estimators for the study of angular characteristics of polarized radiation." Russian Journal of Numerical Analysis and Mathematical Modelling 33, no. 3 (2018): 187–97. http://dx.doi.org/10.1515/rnam-2018-0016.

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Abstract The paper presents a Monte Carlo algorithm for the study of bidirectional angular characteristics of a scattered polarized radiation based on projection expansion of the density of the corresponding angular distribution over hemispherical harmonics. The results of numerical estimation of two-dimensional angular distributions of the intensity and the polarization degree of the radiation passed through and reflected from optically thick layers of scattering and absorbing substance are presented.

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6

Teng, Fei, Yun Lin, Yanping Wang, Wenjie Shen, Shanshan Feng, and Wen Hong. "An Anisotropic Scattering Analysis Method Based on the Statistical Properties of Multi-Angular SAR Images." Remote Sensing 12, no. 13 (2020): 2152. http://dx.doi.org/10.3390/rs12132152.

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The scatterings of many targets are aspect dependent, which is called anisotropy. Multi-angular synthetic aperture radar (SAR) is a suitable means of detecting this kind of anisotropic scattering behavior by viewing targets from different aspect angles. First, the statistical properties of anisotropic and isotropic scatterings are studied in this paper. X-band chamber circular SAR data are used. The result shows that isotropic scatterings have stable distributions in different aspect viewing angles while the distributions of anisotropic scatterings are various. Then the statistical properties

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7

BERNUI, ARMANDO, THYRSO VILLELA, and IVAN FERREIRA. "ANALYSIS OF THE ANGULAR DISTRIBUTION OF COSMIC OBJECTS." International Journal of Modern Physics D 13, no. 07 (2004): 1189–95. http://dx.doi.org/10.1142/s0218271804005304.

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We investigate a method that reveals anisotropies in the angular distribution of cosmic objects. In particular, we investigate ensembles with ~ 1000 objects, which is the interesting case of some astronomical catalogs. Considering test ensembles generated with a variable degree of anisotropy, we calculate the probability of any pair of objects to be separated by a given angular distance and compare this result with the same probability for a purely isotropic ensemble. We show that the use of sub-ensembles of the original full sky test ensemble, namely partial catalogs containing objects in the

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8

Chikuse, Yasuko. "The matrix angular central Gaussian distribution." Journal of Multivariate Analysis 33, no. 2 (1990): 265–74. http://dx.doi.org/10.1016/0047-259x(90)90050-r.

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9

KIM, YONG JOO, and MOON HOE CHA. "SECOND-ORDER EIKONAL MODEL ANALYSIS OF16O+16OELASTIC SCATTERING." International Journal of Modern Physics E 10, no. 04n05 (2001): 373–86. http://dx.doi.org/10.1142/s0218301301000563.

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We analyze the elastic scattering angular distributions of the16O +16O system at Elab=480 MeV and 704 MeV within the framework of the second-order eikonal model based on Coulomb trajectories of colliding nuclei. The diffractive oscillatory structure observed in the elastic angular distribution could be explained due to the interference between the near- and far-side scattering amplitudes. The presence of a nuclear rainbow in this system is evidenced through a classical deflection function. The effective optical potential is developed from the second-order non-eikonal phase shifts.

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10

Liu, Li, Yinghong Zuo, Shengli Niu, Jinhui Zhu, Peng Shang, and Xiazhi Li. "Calculation method of particle angular distribution based on directional probability approach in the Monte Carlo simulation." Journal of Physics: Conference Series 2851, no. 1 (2024): 012017. http://dx.doi.org/10.1088/1742-6596/2851/1/012017.

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Abstract To address the limitations of narrow applicability and low computational efficiency in the existing methods for calculating particle angular distribution using Monte Carlo simulations, this paper proposes a method based on the directional probability approach. In this method, when calculating the fluence at a recording point using the directional probability approach, virtual particles are binned based on the cosine of the angle between their direction and different reference directions, enabling statistical calculation of the particle angular distribution at the recording point. The

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11

Eifler, Matthias, Boris Brodmann, Barbara Linke, Alexander Müller, and Jörg Seewig. "Comprehensive angular scattering distribution analysis for resource-efficient manufacturing." Procedia CIRP 120 (2023): 386–91. http://dx.doi.org/10.1016/j.procir.2023.09.007.

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12

Siegmann, Bärbel, and Rainer Hippler. "Angular Distribution of Hydrogen Fragment Ions in H+ - H2 Collisions." Australian Journal of Physics 52, no. 3 (1999): 537. http://dx.doi.org/10.1071/ph99021.

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The angular distribution of H+ fragment ions produced in 5–25 keV H+–H2 collisions was investigated in coincidence with Lyman-α photons. The observed photons arise from electron capture to the projectile H(2p) state and/or from the fragmentation of the H2 molecule via 2sσg, 2pσu or 2pΠ u states of the excited H+2* ion. An analysis of the measured angular distributions has been performed to distinguish the separate degenerate channels available to an emitted Lyman-α photon. The results show similarities to the data of Lindsay et al. (1987) who measured the non-coincident angular distribution of

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13

TRIPATHI, R., K. SUDARSHAN, S. SODAYE, A. GOSWAMI, A. V. R. REDDY, and K. MAHATA. "FISSION FRAGMENT ANGULAR DISTRIBUTION IN 24Mg INDUCED REACTIONS ON 192Os AND 197Au." International Journal of Modern Physics E 17, no. 02 (2008): 419–24. http://dx.doi.org/10.1142/s021830130800946x.

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Angular distributions of fission fragments have been measured in 24 Mg + 192 Os and 24 Mg + 197 Au reactions at E lab = 128 MeV which is close to entrance channel Coulomb barrier. Experimental angular anisotropies were in reasonably good agreement with those calculated using the statistical theory. Analysis of the angular distribution data of the present study and of our earlier measurement in 19 F + 197 Au reaction has shown that contribution from non-compound nucleus fission in these systems is not significant.

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14

Zhang, Jiachi, Liu Liu, Zhenhui Tan, Kai Wang, and Tao Zhou. "Analysis of Joint Angular Distribution for Nonreciprocal Beams via the Mixture of Gaussian Distribution Based on Ray-Tracing." International Journal of Antennas and Propagation 2022 (May 9, 2022): 1–11. http://dx.doi.org/10.1155/2022/3505181.

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Multiple-input and multiple-output (MIMO) technology can not only provide huge data rates but also overcome the severe propagation attenuation effect, especially in millimeter-wave (mmWave) bands by utilizing beamforming. The nonreciprocal beam is a novel transmission pattern, which indicates that transceivers adopt asymmetrical beamwidths. Such a special pattern can achieve fast beam alignment and alleviate equipment costs. Thorough knowledge of the corresponding wireless channel is pivotal to the system design and optimization, which remains to be investigated. In this paper, we first propos

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15

B. Otgooloi, N. Enkhbat, and J. Oyunbileg. "Systematical Analysis on angular Distribution of Bremsstrahlung radiation in microtron MT-22." Физик сэтгүүл 15, no. 309 (2022): 10–16. http://dx.doi.org/10.22353/physics.v15i309.253.

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The systematic analysis has been made the measurement results of the relative angular distribution of gamma quantium with 11-22 MeV energy which is induced by bremsstrahlung within 2-3 g/cm optimal geometrical region of target nucleus. We are shown that relative intensity distribution of gamma radiation with energy 11-22 MeV, induced by stopped electrons with various thicknesses at heavy and lighter target nucleus as an exponential form within angular region 0°-14o

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16

Zhang, Kai, Qiang Wang, Pan Pan Yao, and Zhong Ding. "Analysis on Angular and Torsional Deformation of Open Front Press." Applied Mechanics and Materials 635-637 (September 2014): 123–26. http://dx.doi.org/10.4028/www.scientific.net/amm.635-637.123.

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The angular deformation and torsional deformation are investigated by FEM on open front press with nominal press force of 1600kN. The FEM mold of press is established by processing contact, constraints, and loads. The angular deformation of frame and torsional deformation of slide are analyzed based on the analyses of distribution of equivalent stress and deformation. The influence work force of open front press to angular deformation and torsional deformation are obtained.

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17

Mei, Chuan Zhi, Lin Hua Piao, and Bao Li Zhang. "Finite Element Analysis of the Drum-Shape Cavity Fluidic Gyroscope Sensitive Mechanism." Advanced Materials Research 756-759 (September 2013): 4511–14. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.4511.

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Against the deflect that the existing fluidic gyroscope airflow channel structure was easy to cause the flocculating flow. This paper presented a kind of elliotic-drum flow cavity structure. Using the finite element method, calculated the flow field in the closed cavity at different angular velocity input. The results showed that the gas flow path of the main airflow distribution was streamlined, there did not form the vortex area which could reduce the energy additional losses, when the angular rate input changed, then the jet flow field distribution didnt keep equal and symmetrical, the jet

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18

Takashina, M., та Y. Sakuragi. "Analysis of 12C(α, α′) using α condensate model wave function". Modern Physics Letters A 21, № 31n33 (2006): 2341–46. http://dx.doi.org/10.1142/s0217732306021967.

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We analyze the inelastic scattering of the α+12 C system leading to the [Formula: see text] state in 12 C at incident energies of E α=139 MeV ~ 240 MeV using α condensate model wave function, and investigate the affection of the large nuclear radius of [Formula: see text] on the inelastic angular distribution. It is found that the oscillation pattern in inelastic angular distribution is sensitive to the extent of transition density rather than the nuclear radius of the excited state.

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19

Nakamura, So, Shinichi Inoue, Yoshinori Igarashi, Hiromi Sato, and Yoko Mizokami. "Analysis of Gloss Unevenness and Bidirectional Reflectance Distribution Function in Specular Reflection." Journal of Imaging 10, no. 6 (2024): 146. http://dx.doi.org/10.3390/jimaging10060146.

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Gloss is associated significantly with material appearance, and observers often focus on gloss unevenness. Gloss unevenness is the intensity distribution of reflected light observed within a highlight area, that is, the variability. However, it cannot be analyzed easily because it exists only within the highlight area and varies in appearance across the reflection angles. In recent years, gloss has been analyzed in terms of the intensity of specular reflection and its angular spread, or the bidirectional reflectance distribution function (BRDF). In this study, we develop an apparatus to measur

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20

Hughes, P. C., and G. M. T. D’Eleuterio. "Modal Parameter Analysis of Gyroelastic Continua." Journal of Applied Mechanics 53, no. 4 (1986): 918–24. http://dx.doi.org/10.1115/1.3171881.

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This paper builds on the theory of gyroelastic dynamics presented in a recent paper by the authors. An elastic continuum with a continuous distribution of stored angular momentum (called gyricity) is considered. We introduce the modal parameters (coefficients) thereof, including integrals of the mode shapes, and show they must satisfy a number of useful identities. In addition to the coefficients (pα and hα) associated with momentum and angular momentum which also arise in the dynamics of a purely elastic body, there is a third coefficient (gα) wholly attributable to the gyricity distribution.

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21

Yu, Yushu, Jinglin Li, Xin Li, and Yi Yang. "Error Uncertainty Analysis in Planar Closed-Loop Structure with Joint Clearances." Metals 11, no. 11 (2021): 1872. http://dx.doi.org/10.3390/met11111872.

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For planar closed-loop structures with clearances, the angular and positional error uncertainties are studied. By using the vector translation method and geometric method, the boundaries of the errors are analyzed. The joint clearance is considered as being distributed uniformly in a circle area. A virtual link projection method is proposed to deal with the clearance affected length error probability density function (PDF) for open-loop links. The error relationship between open loop and closed loop is established. The open-loop length PDF and the closed-loop angular error PDF both approach be

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22

Olorunfunmi, S. D., and A. Bahini. "Microscopic Analysis of Elastic Scattering Angular Distributions for Five Different Density Distribution of 9Be Nucleus." Physics of Atomic Nuclei 84, no. 4 (2021): 448–59. http://dx.doi.org/10.1134/s1063778821040244.

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23

Sabuncu, Mustafa. "Coupled vibration analysis of blades with angular pretwist of cubic distribution." AIAA Journal 23, no. 9 (1985): 1424–30. http://dx.doi.org/10.2514/3.9102.

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24

Zhang Xusheng, 张旭升, 何川 He Chuan, and 撖芃芃 Han Pengpeng. "Intensity Distribution Analysis of Axicon Lens by Numerical Angular Spectrum Method." Acta Optica Sinica 32, no. 12 (2012): 1207001. http://dx.doi.org/10.3788/aos201232.1207001.

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25

Poirier, Michel, and Jean-Christophe Pain. "Angular momentum distribution in a relativistic configuration: magnetic quantum number analysis." Journal of Physics B: Atomic, Molecular and Optical Physics 54, no. 14 (2021): 145002. http://dx.doi.org/10.1088/1361-6455/ac10f9.

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26

TYLER, DAVID E. "Statistical analysis for the angular central Gaussian distribution on the sphere." Biometrika 74, no. 3 (1987): 579–89. http://dx.doi.org/10.1093/biomet/74.3.579.

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Dirner, A., V. V. Glagolev, J. Hlaváčová, N. B. Ladygina, G. Martinská, and J. Urbán. "Analysis of the spectator-angular distribution in the light-nuclei reactions." European Physical Journal A 8, no. 4 (2000): 493–99. http://dx.doi.org/10.1007/s100500070072.

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Eng, Jason, Saravanan Karuppanan, and Santosh Patil. "Frictional stress analysis of spur gear with misalignments." Journal of Mechanical Engineering and Sciences 12, no. 2 (2018): 3566–80. https://doi.org/10.15282/jmes.12.2.2018.3.0316.

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Misalignments in gears cause vibrations and contact nonlinearities, which in turn cause load distribution shift on the gear tooth. The load distribution shift of the gear pair results in increased contact and bending stresses with the maximum stresses leaning towards the edge of the face width. These stress changes cause failures and gear performance variations, such as pitting, scuffing, crack initiation and eventually tooth breakage. In this paper, the contact and bending stresses of a misaligned spur gear pair were evaluated with and without friction by employing corresponding analytical me

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29

Tamagno, Pierre, Pascal Archier, Cyrille De Saint Jean, and Gilles Noguère. "New 23Na evaluation in the resolved resonance range taking into account both differential and double differential experiments." EPJ Web of Conferences 239 (2020): 11006. http://dx.doi.org/10.1051/epjconf/202023911006.

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In 2012 CEA produced a entire new evaluation of sodium nuclear data for the release of the JEFF-3.2 evaluated nuclear data library. During the evaluation process performed with the CONRAD code, several differential measurements (total and discrete inelastic cross-sections) have been used. However double differential data (elastic angular distribution) that were yet available in the EXFOR database were not incorporated in the analysis at that time. The experimental elastic angular distribution were discarded because of it was impossible to obtain a good agreement for both angle-integrated cross

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30

Yao, Jian. "Angular Transmittance Analysis of a Novel Thermotropic Material." Scientific World Journal 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/538164.

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This paper uses inverse adding-doubling (IAD) method and Monte Carlo method for the simulation of the spectral angular transmittance of a novel kind of thermotropic material at different temperatures. The results show that the collimated light takes the major part at the beginning of the switching process and the scattered light is negligible. However, the scattered light increased to high above 80% of the total transmitted light with the largest angle distribution of scattered light about 30 degrees as temperature elevated.

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31

Si, Jia Yong, Ze Hao Hu та Li Ping Zhong. "Finite Element Analysis of β-Titanium during Equal Channel Angular Extrusion". Advanced Materials Research 399-401 (листопад 2011): 1702–7. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.1702.

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The finite element analysis was applied to evaluate the respective influences of die geometry and process conditions on plastic strain distribution for β-titanium (Ti-13V11Cr3Al) during the equal channel angular extrusion. It was found that optimum ECAE die geometry is strongly material dependent. Optimal strain homogeneity in the Ti-13V11Cr3Al alloy may be achieved at r (inner radius) =5mm, R (outer radius) =3mm. The equivalent plastic strain increases with increasing friction coefficient. And the better homogeneity of the equivalent plastic strain distribution can be achieved when m=0.1. The

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32

Zhang, Yu, Mengqi Zhang, Yawen Wang, and Liyang Xie. "Fatigue Life Analysis of Ball Bearings and a Shaft System Considering the Combined Bearing Preload and Angular Misalignment." Applied Sciences 10, no. 8 (2020): 2750. http://dx.doi.org/10.3390/app10082750.

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Bearing preload significantly affects the running performance of a shaft-bearing system including the fatigue life, wear, and stiffness. Due to the mounting error, the bearing rings are often angularly misaligned. The effects of the combined bearing preload and angular misalignment on the fatigue life of ball bearings and a shaft-bearing system are analyzed in this paper. The contact force distribution of angular contact ball bearings in the shaft-bearing system is investigated based on the system model. The system model includes the bearing model, and the shaft model is verified by comparing

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33

Hellwig, Maren, Martin Köppen, Albert Hiller, et al. "Impact of Surface Roughness on Ion-Surface Interactions Studied with Energetic Carbon Ions 13C+ on Tungsten Surfaces." Condensed Matter 4, no. 1 (2019): 29. http://dx.doi.org/10.3390/condmat4010029.

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The effect of surface roughness on angular distributions of reflected and physically sputtered particles is investigated by ultra-high vacuum (UHV) ion-surface interaction experiments. For this purpose, a smooth (R a = 5.9 nm) and a rough (R a = 20.5 nm) tungsten (W) surface were bombarded with carbon ions 13C+ under incidence angles of 30 ∘ and 80 ∘ . Reflected and sputtered particles were collected on foils to measure the resulting angular distribution as a function of surface morphology. For the qualitative and quantitative analysis, secondary ion mass spectrometry (SIMS) and nuclear reacti

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Kelly, Keegan J., Eames A. Bennett, Matthew Devlin, John M. O’Donnell, and Mark Paris. "The Neutron Scattering Cross Section and Angular Distribution Measurement Program at LANL." EPJ Web of Conferences 284 (2023): 01004. http://dx.doi.org/10.1051/epjconf/202328401004.

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Neutron scattering cross sections and angular distributions are leading terms in descriptions of neutron transport through any system. Despite the fundamental importance of nuclear data on these quantities, significant gaps in understanding and lack of experimental data persist in heavier elements and down to lighter structural materials, such as iron and aluminum. Recent measurements on carbon have also shown definitive proof that the neutron angular distribution can change with respect to the emission angle of γ-rays from inelastic scattering, thereby complicating γ-tagged measurements of in

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35

Jiang, Jonathan H., Remo Burn, Xuan Ji, Kristen A. Fahy, and Patrick Eggenberger. "Angular Momentum Distributions for Observed and Modeled Exoplanetary Systems." Astrophysical Journal 924, no. 2 (2022): 118. http://dx.doi.org/10.3847/1538-4357/ac3242.

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Abstract The distribution of angular momentum of planets and their host stars provides important information on the formation and evolution of the planetary system. However, mysteries still remain, partly due to bias and uncertainty of the current observational data sets and partly due to the fact that theoretical models for the formation and evolution of planetary systems are still underdeveloped. In this study, we calculate the spin angular momentum of host stars and the orbital angular momentum of their planets using data from the NASA Exoplanet Archive along with detailed analysis of obser

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36

Xu, Tengfei, Lihua Yang, and Kai Wang. "Characteristics of Duplex Angular Contact Ball Bearing with Combined External Loads and Angular Misalignment." Applied Sciences 10, no. 17 (2020): 5756. http://dx.doi.org/10.3390/app10175756.

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As a kind of common phenomenon in practical engineering, misalignment error considerably changes the working performance of bearing. However, it has rarely attracted attention in the study of duplex angular contact ball bearings (DACBBs). To evaluate the influence of misalignment on DACBB, an analytical model of DACBB considering combined loads and angular misalignment is established for back-to-back, face-to-face, and tandem configurations. According to the geometrical relationship inside the bearing, the deformations caused by external load and angular misalignment are systematically analyze

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37

Ezra, Bar, Shimshon Kallush, and Ronnie Kosloff. "Dissociation in strong field: A quantum analysis of the relation between angular momentum and angular distribution of fragments." Chemical Physics Letters 756 (October 2020): 137845. http://dx.doi.org/10.1016/j.cplett.2020.137845.

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Kciuk, Sławomir, and Paweł Martynowicz. "Special Application Magnetorheological Valve Numerical and Experimental Analysis." Solid State Phenomena 177 (July 2011): 102–15. http://dx.doi.org/10.4028/www.scientific.net/ssp.177.102.

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The paper addresses analytical, numerical and experimental aspects of the design of magnetorheological (MR) fluid valve. Magnetic flux in valve’s cross-section is analysed with the help of finite element method (FEM) software. Based on the magnetic field intensity distribution within valve’s MR fluid annular gap, simulation model of the shock absorber equipped with newly designed MR valves is developed. Prototypes of MR valve are built and embedded in the stationary barrier of the rotary shock absorber, instead of standard, passive check valves. Simulation and preliminary experimental results

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39

Yu, Chunmiao, Yuanwen Cai, Weijie Wang, Wenjing Han, Zengyuan Yin, and Wenting Han. "Analysis and Compensation of Lorentz Force Magnetic Bearing Magnetic Flux Density Uniformity Error." Sensors 24, no. 9 (2024): 2683. http://dx.doi.org/10.3390/s24092683.

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Aiming at the influence of the magnetic flux density uniformity error (MFDUE) of the Lorentz force magnetic bearing (LFMB) on the sensitivity accuracy of magnetically suspended control and sensing gyroscopes (MSCSGs) on the angular rate of a spacecraft, a high precision measurement method of the angular rate of a spacecraft based on the MFDUE compensation of LFMB is proposed. Firstly, the structure of MSCSG and the sensitivity principle of MSCSG to the spacecraft angular rate are introduced. The mechanism influencing the accuracy of MSCSG to spacecraft angular rate sensitivity is deduced based

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40

Mikhailov, Gennady A., Natalya V. Tracheva, and Sergey A. Ukhinov. "A new kernel-projective statistical estimator in the Monte Carlo method." Russian Journal of Numerical Analysis and Mathematical Modelling 35, no. 6 (2020): 341–53. http://dx.doi.org/10.1515/rnam-2020-0028.

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AbstractIn the present paper, we propose a new combined kernel-projective statistical estimator of the two-dimensional distribution density, where the first ‘main’ variable is processed with the kernel estimator, and the second one is processed with the projective estimator for the conditional distribution density. In this case, statistically estimated coefficients of some orthogonal expansion of the conditional distribution density are used for each ‘kernel’ interval defined by a micro-sample. The root-mean-square optimization of such an estimator is performed under the assumptions concerning

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Mu, Xiaoyan, Gong Cheng, Shaojiang Dong, Liang Yi, and Hongliang Liu. "Analytical Method for Predicting Wear Life of Angular Contact Ball Bearings Under Variable Loading Based on Mixed Lubrication." Lubricants 13, no. 5 (2025): 212. https://doi.org/10.3390/lubricants13050212.

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In aerospace technology, angular contact ball bearings are required to exhibit extremely high operational precision, necessitating real-time monitoring of their wear status to conduct pre-failure analysis. Although extensive studies have been conducted on the wear characteristics of angular contact bearings, further in-depth research is still required to enhance the accuracy of bearing life predictions. To address the imprecision in wear life prediction for angular contact ball bearings, this article proposes a refined wear calculation model based on dynamic load distribution. The model calcul

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Bao, Nguyen Dien Quoc, Le Hoang Chien, Chau Van Tao, and Trinh Hoa Lang. "Analysis of 12C+12C scattering using different nuclear density distributions." Science and Technology Development Journal 21, no. 3 (2018): 78–83. http://dx.doi.org/10.32508/stdj.v21i3.431.

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Elastic 12C+12C angular distributions at three bombarding energies of 102.1, 112.0 and 126.1 MeV were analyzed in the framework of optical model (OM) and compared to the experimental data. The reality of the OM analysis using the double folding potential depends on the chosen nuclear density distributions. In this work, we use two available models of nuclear density distributions obtained from the electron scattering experiments and the density functional theory (DFT). The OM results show that the former gives better description of the 12C nuclear density distribution than the latter. Therefor

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Thakur, Pankaj, Priya Gulial, and Anu Sharma. "Comparative elastoplastic analysis in a rotating disk made of polymer material with variable density parameter." Structural Integrity and Life 25, no. 1 (2025): 48–52. https://doi.org/10.69644/ivk-2025-01-0048.

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This article deals with the study of elasto-plastic analysis in a rotating disk made of polymer material and having variable density parameter. Mathematical modelling is based on stress-strain relation and equilibrium equation. Analytical solutions are presented for the disk made of polymer material. The effects of different pertinent parameters (i.e., density and angular speed) are considered. The behaviour of stress distribution, density parameter, and angular speed are investigated. From the obtained results, it is noticed that natural rubber material disk requires higher angular speed to y

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R., Dario E. Rodas, Antonio Padilha-Feltrin, and Luis F. Ochoa. "Distribution transformers modeling with angular displacement: actual values and per unit analysis." Sba: Controle & Automação Sociedade Brasileira de Automatica 18, no. 4 (2007): 490–500. http://dx.doi.org/10.1590/s0103-17592007000400009.

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YAMASHITA, Takako, and Kozo TSUNOYAMA. "Surface Analysis of Steel Products by Angular Distribution Measurement in the XPS." Tetsu-to-Hagane 73, no. 16 (1987): 2306–13. http://dx.doi.org/10.2355/tetsutohagane1955.73.16_2306.

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Elizarov, A. Yu, and I. I. Tupitsyn. "Analysis of the angular distribution of Auger electrons in a Xe atom." Journal of Experimental and Theoretical Physics 97, no. 4 (2003): 658–67. http://dx.doi.org/10.1134/1.1625056.

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Palchikova, Irina G., Igor V. Latyshov, Evgenii S. Smirnov, Vasilii A. Vasiliev, Alexander V. Kondakov, and Irina A. Budaeva. "Computer Vision in Analyzing the Propagation of a Gas–Gunpowder Jet." Sensors 22, no. 1 (2021): 6. http://dx.doi.org/10.3390/s22010006.

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A method of mathematically processing the digital images of targets is developed. The theoretical and mathematical justification and the experimental validation of the possibility of estimating the amount of gunshot residue (GSR) and determining the GSR distribution over the target on the basis of its digital image is provided. The analysis of the optical density in selected concentric rings in the images reveals the radial dependence of soot distribution in the cross section of a gas–gunpowder jet. The analysis of the optical density in selected sectors of the circle reveals the angular depen

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Boeyens, Jan C. A. "Angular Momentum in Chemistry." Zeitschrift für Naturforschung B 62, no. 3 (2007): 373–85. http://dx.doi.org/10.1515/znb-2007-0311.

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Noting that current chemical theory is based almost exclusively on electronic energy and spin variables the equal importance of orbital angular momentum is explored in this paper. From its classical definition the angular momentum of electrons in an atom is shown to obey Laplace’s equation, which automatically leads to discrete values in terms of spherical harmonics. This analysis assumes a continuous distribution of electronic charge, which resembles a fluid at equilibrium. It serves to elucidate the success and failure of Bohr’s conjecture and the origin of wave-particle duality. Applied to

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Gulial, Priya, and Pankaj Thakur. "Safety analysis in an elastoplastic orthotropic rotating cylinder under steady state temperature." Structural Integrity and Life 24, no. 3 (2024): 309–13. https://doi.org/10.69644/ivk-2024-03-0309.

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This research paper deals with the study of thermo-elastoplastic stress deformation in a rotating cylinder made of orthotropic material. The transition theory is applied to determining the presiding equation. An analytical solution for the rotating cylinder made of orthotropic material is presented. The behaviour of temperature, angular speed, and stress distribution are explored. The circumferential stress is maximal at the inner portion of the cylinder made of barite or copper material. With the introduction of thermal conditions, angular speed increases in the internal surface of barite mat

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Ishikawa, Motoki, Kakuta Ishida, Reika Kanya, and Kaoru Yamanouchi. "Angle-Resolved Time-of-Flight Electron Spectrometer Designed for Femtosecond Laser-Assisted Electron Scattering and Diffraction." Instruments 7, no. 1 (2023): 4. http://dx.doi.org/10.3390/instruments7010004.

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We developed an apparatus for measuring kinetic energy and two-dimensional angular distributions of femtosecond laser-assisted electron scattering (LAES) signals with a high detection efficiency, consisting of a photocathode-type ultrashort pulsed electron gun, a gas injection nozzle, an angle-resolved time-of-flight analyzer, and a time-and-position sensitive electron detector. We also established an analysis method for obtaining the kinetic energy and two-dimensional angular distributions of scattered electrons from raw data of their flight times and the detected positions at the detector re

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