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Chi Zhang, Yaguo Lyu, Le Jiang and Zhenxia Liu
The numerical simulation method was used to investigate the deflection and deformation process of a circular lubricating oil jet in transverse shear airflow. The numerical model was compared and validated against the experimental data. The physical param...
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Hui Li, Yongjun Chen, Yang Yang, Shixin Wang, Ling Bai and Ling Zhou
The centrifugal pump is one of the most widely used types of power machinery in the field of ship and ocean engineering, and the shape of the impeller blade trailing edge has an important influence on their performance. To reveal the mechanism of the eff...
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Peng Yu, Zhiyuan Hu, Guohua Xu and Yongjie Shi
Due to the small tilt angle, a tiltrotor operates in non-axial flow conditions during shipboard take-off and landing. The non-uniformity of the blade?s air-load is high, resulting in structural deformation with high fluctuation frequency, affecting the r...
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Marcelo García,Germán Aguilar,María Pía Rodríguez,James Metcalf
Pág. 313 - 326
In the Western Cordillera of northern Chile, the Proterozoic-Paleozoic Belén Metamorphic Complex is covered by late Oligocene-early Miocene (25-18 Ma) rocks, and both units are involved in west-vergent contractional deformation, which results in exhumati...
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Rolly E. Rimando, Jeremy M. Rimando and Robjunelieaaa B. Lim
A 75 km-long, generally NE-striking ground rupture associated with the 6 February 2012 MW 6.7 (Mb 6.9) Negros earthquake was mapped on the eastern side of Negros Island, Philippines. It closely follows a previously unmapped, pre-existing fault trace alon...
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Christian Creixell,Javier Fuentes,Hessel Bierma,Esteban Salazar
Pág. 469 - 507
Cretaceous porphyry copper deposits of northern Chile (28º-29º30? S) are genetically related with dacitic to dioritic porphyries and they represent a still poorly-explored target for Cu resources. The porphyries correspond to stocks distributed into two ...
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Sergii Nazarenko,Roman Kovalenko,Vitalii Asotskyi,Gennadiy Chernobay,Andrii Kalynovskyi,Ivan Tsebriuk,Oleksandr Shapovalov,Igor Shasha,Volodymyr Demianyshyn,Angela Demchenko
Pág. 45 - 55
This paper reports the results of experimental studies into determining mechanical properties (elastic and dissipative) at the shear of the material of a pressure fire hose of the "T" type with the internal diameter of 77 mm using torsion tests. Dur...
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Natalia Hrudkina,Leila Aliieva,Oleg Markov,Irina Marchenko,Alexander Shapoval,Payman Abhari,Mariia Kordenko
Pág. 55 - 62
The simulation of the process of combined radial reverse extrusion of hollow parts with a flange has established two fundamentally different, in terms of the components of the kinematic modules, calculation schemes CDZ-1.i and CDZ-2.j, taking into consid...
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Sotiris Valkaniotis, Pierre Briole, Athanassios Ganas, Panagiotis Elias, Vassilis Kapetanidis, Varvara Tsironi, Anna Fokaefs, Helena Partheniou and Panagiotis Paschos
We identify the source of the Mw = 5.6 earthquake that hit west-central Epirus on 21 March 2020 00:49:52 UTC. We use Sentinel-1 synthetic aperture radar interferograms tied to one permanent Global Navigation Satellite System (GNSS) station (GARD). We mod...
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Linning Wang, Yuan Liu and Jingjing Liang
Interrupted creep tests were performed on a polycrystalline Ni-base superalloy, and rejuvenation heat treatment (RHT) was carried out to restore the creep resistance. During creep deformation, the microstructural evolution can be characterized as coarsen...
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