Results 11 to 20 of about 1,758,259 (261)
Machines, 2023 A tamping machine is the key equipment of large coking coal cake forming in the steelmaking industry, where the loose coal is compacted into a coal cake by the reciprocating movement of its tamping hammer.
Lin Huang +4 more
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Friction transitions and connections to third bodies for a Cd coating on steel substrate
Friction, 2020 Cd coating is used in aerospace industries from last five decades due to its sacrificial protection and lubrication properties. Although Cd coating is primarily used due to its sacrificial corrosion protection when applied on steel substrate, the added ...
Priyadarshi Behera +4 more
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Third‐Body Perturbation in the Case of Elliptic Orbits for the Disturbing Body [PDF]
Mathematical Problems in Engineering, 2008 This work presents a semi‐analytical and numerical study of the perturbation caused in a spacecraft by a third‐body using a double averaged analytical model with the disturbing function expanded in Legendre polynomials up to the second order. The important reason for this procedure is to eliminate terms due to the short periodic motion of the ...
Domingos, R. C. +2 more
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Resonance Capture for a Mercurian Orbiter in the Vicinity of Sun
Journal of Astronomy and Space Sciences, 2021 In this work, the problem of resonance caused by some gravitational potentials due to Mercury and a third body, namely the Sun, together with some non-gravitational perturbations, specifically coronal mass ejections and solar wind in addition to ...
Elamira Hend Khattab +2 more
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Semi-analytical orbital model around an oblate body with an inclined eccentric perturber
Frontiers in Astronomy and Space Sciences, 2023 The semi-analytical model (based on the averaging technique) for long-term orbital evolution has proven to be useful in both astrophysical and astrodynamical contexts.
Tao Fu, Yue Wang, Weiduo Hu
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Friction and Wear Properties of Wheat Straw Powder Third Body on Steel-Steel Friction Pair
Agriculture, 2022 Third body plant fibers have an important influence on the friction and wear properties of metal friction pairs. In this study, wheat straw powder with different particle sizes was prepared, and a pin-on-disk friction tester was employed to evaluate the ...
Chenglong Lian +5 more
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Thermodynamical Description of Running Discontinuities: Application to Friction and Wear
Entropy, 2010 The friction and wear phenomena appear due to contact and relative motion between two solids. The evolution of contact conditions depends on loading conditions and mechanical behaviours.
Claude Stolz
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Aluminum and alumina/MoS2/cellulose derivative composite: design and performance
Materials Research Express, 2022 Nanoparticles were added to improve the tribological performance of the biopolymer-based composite films. Aluminum and alumina were used as additives. The matrix of the composite was MoS _2 /hydroxypropyl methylcellulose (HPMC).
Shih-Chen Shi +2 more
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Third-Body and Dissipation Energy in Green Tribology Film
Applied Sciences, 2019 Green tribology film comprising hydroxypropyl methylcellulose modified with nanoparticles and molybdenum disulfide was prepared by the solvent evaporation method. The nanoparticle additives were Al, Cu, Al2O3, and CuO.
Shih-Chen Shi, Shia-Seng Pek
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Osteoblastoma of the vertebral body of the third lumbar vertebra [PDF]
European Spine Journal, 1998 The case of a 22-year-old woman presenting with progressive low back pain as a result of a recurrent osteoblastoma of the body of L3, is reported. Total spondylectomy together with anterior and posterior fusion was carried out in a two-stage procedure.
A A, Faraj, J, O'Dowd, J K, Webb
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