Results 31 to 40 of about 655,300 (307)
Compressive forces causing rod buckling in sucker rod pumps and using sinker bars to prevent buckling [PDF]
, 2016 Sucker rod pumps has been the most commonly used pumps in the petroleum industry. Therefore, many studies associated with sucker rods focuses on maximizing the rod life.
Eritici, Cagdas
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Deep Learning-Based Intelligent Fault Diagnosis Methods Toward Rotating Machinery
IEEE Access, 2020 Fault diagnosis of rotating machinery plays a significant role in the industrial production and engineering field. Owing to the drawbacks of traditional fault diagnosis methods, such as heavily dependence on human knowledge and professional experience ...
Shengnan Tang, Shouqi Yuan, Yong Zhu
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Applied Sciences, 2021 The spanwise distribution of impeller exit circulation (SDIEC) has an important influence on the performance of the impeller. To quantitatively study the influence of SDIEC on optimization results, a comprehensive optimization system composed of the ...
Mengcheng Wang +3 more
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Shock and Vibration, 2022 Through numerical simulations, this work analyzes the unsteady pressure pulsation characteristics in new type of dishwasher pump with double tongue volute and single tongue volute, under volute static and rotation conditions.
Jinfeng Zhang +5 more
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Hydraulic Optimization of Two-Way Counter-rotating Axial Flow Pump Turbine
Frontiers in Energy Research, 2020 The two-way counter-rotation technology is mainly applied to the tidal power station. In this paper, the hydrodynamic optimization of the two-way counter-rotating axial-flow pump turbine is carried out.
Wang Xiuli +6 more
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Transport and Dissipation in Quantum Pumps
, 2003 This paper is about adiabatic transport in quantum pumps. The notion of ``energy shift'', a self-adjoint operator dual to the Wigner time delay, plays a role in our approach: It determines the current, the dissipation, the noise and the entropy currents ...
Avron, J. E. +3 more
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Stochastic thermodynamics of hidden pumps [PDF]
, 2015 We show that a reversible pumping mechanism operating between two states of a kinetic network can give rise to Poisson transitions between these two states.
Esposito, Massimiliano +1 more
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Effect of Induced Wheel and Impeller Inlet Diameter on the Hydrodynamic Performance of High-speed Centrifugal Pumps [PDF]
Journal of Applied Fluid MechanicsThe high-speed centrifugal pump plays a crucial role in fields such as aerospace and petrochemical industries, owing to its characteristics of elevated rotational speed and high head.
Y. Long +5 more
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Intelligent Fault Diagnosis of Hydraulic Piston Pump Based on Wavelet Analysis and Improved AlexNet
Sensors, 2021 Hydraulic piston pump is the heart of hydraulic transmission system. On account of the limitations of traditional fault diagnosis in the dependence on expert experience knowledge and the extraction of fault features, it is of great meaning to explore the
Yong Zhu +5 more
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Academic Emergency Medicine, 1994 ABSTRACTThis article reviews the author's experience with a form of interposed abdominal compression cardiopulmonary resuscitation (IAC‐CPR) in the United Kingdom. The development of the technique based upon animal resuscitation, including the use of phasic compression (abdominal pumping) for the resuscitation of rats from 30 minutes of cardiac arrest ...
openaire +2 more sources