Rotational Atherectomy in Coronary Heart Disease Patients with Different Rotational Speed: In Hospital and Six-Month Outcomes [PDF]
Reviews in Cardiovascular Medicine, 2023 Background: Rotational atherectomy (RA) is an important technique for the management of severe coronary calcification. However, optimal rotational speed is yet to be defined.
Jiawei Wu +3 more
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Digital Approach to Rotational Speed Measurement Using an Electrostatic Sensor [PDF]
Sensors, 2019 In industrial production processes, rotational speed is a key parameter for equipment condition monitoring and fault diagnosis. To achieve rotational speed measurement of rotational equipment under a condition of high temperature and heavy dust, this ...
Lin Li, Hongli Hu, Yong Qin
exaly +3 more sources
Solidified Structure Refinement of H13 Tool Steel under a Multi-Rotational Speed Super Gravity Field
Metals, 2020 In this paper, the effects of a super-gravity field with multi-rotational speeds on the grain refinement and tensile properties of as-cast H13 steel were investigated systematically.
Shao-Ying Li +6 more
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Influence of Rotational Speed in the Friction Surfacing of Titanium Grade 1 on Ti-6Al-4V [PDF]
Materials Research, 2018 Titanium Grade 1 was deposited on Ti-6Al-4V, 2 mm thickness, by Friction Surfacing. The process parameters were rotational speed, deposition speed and consumption rate.
Natália Lopes do Vale +4 more
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Nantong Daxue xuebao. Ziran kexue ban, 2020 The pressure fluctuations of the centrifugal pumps have a great influence on the safe and stable operation of centrifugal pumps. In order to reveal the pressure fluctuations characteristics of the centrifugal pump at different rotational speed, a single ...
TAN Linwei;NIU Guoping;SHI Weidong;SHI Zhouhao;CHEN Cheng
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A Ring-Type Triboelectric Nanogenerator for Rotational Mechanical Energy Harvesting and Self-Powered Rotational Speed Sensing. [PDF]
Micromachines (Basel), 2022 In recent years, sensors have been moving towards the era of intelligence, miniaturization and low power consumption, but the power-supply problem has always been a key issue restricting the popularization and development of machine-mounted sensors on ...
Xin Y, Du T, Liu C, Hu Z, Sun P, Xu M.
europepmc +2 more sources
Influence of Rotational Speed on Isothermal Piston Compression System. [PDF]
Entropy (Basel), 2023 An isothermal piston is a device that can achieve near-isothermal compression by enhancing the heat transfer area with a porous media. However, flow resistance between the porous media and the liquid is introduced, which cannot be neglected at a high ...
Ren T, Wang DX, Xu WQ, Cai ML.
europepmc +2 more sources
Imbalance Detection of Rotor Rotational Speed Using Doppler Radar [PDF]
Journal of Electromagnetic Engineering and Science, 2021 In operating a wind turbine, both predictive and condition-based maintenances are required to minimize the downtime caused by maintenance. The imbalance of rotor rotational speed is an important factor for diagnosing wind turbine failures. The rotational
Young-Jae Choi, In-Sik Choi
doaj +1 more source
Rotation Speed of the First Stars [PDF]
Monthly Notices of the Royal Astronomical Society, 2010 14 pages, 7 figures, accepted for publication in ...
Stacy, Athena +2 more
openaire +5 more sources
Vibration analysis of ball bearing considering waviness under high speed and an axial load [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2020 Based on the rolling bearing vibration measurement principle in ISO standard, a nonlinear dynamic model of ball bearing is built and motion equations of the inner ring, outer ring, and rolling elements are derived by using Lagrange’s equation.
P.P Hou, L.Q. Wang, Q.Y. Peng
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