Results 11 to 20 of about 79,402 (264)
Pressure fluctuation measurement in pressure vessels
IOP Conference Series: Earth and Environmental Science, 2022 Abstract Pressure vessels are mechanical devices that act as a reservoir of fluids at pressure more or less than atmospheric pressure. This research focuses on the application of the pressure vessel for hydraulic testing of hydro turbines to maintain uniform velocity profile and to suppress the pressure surge in the pipeline.
A Kapali +4 more
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Quantum fluctuations of radiation pressure [PDF]
Physical Review D, 2001 23 pages, 3 figures ...
Wu, Chun-Hsien, Ford, L. H.
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Influence of Tip Clearance on Pressure Fluctuation in Low Specific Speed Mixed-Flow Pump Passage
Energies, 2017 To explore the influence of tip clearance on pressure fluctuation in a low specific speed mixed-flow pump, tip clearances δ of 0.25 mm, 0.75 mm and 1.00 mm, along with no tip clearance, were selected.
Wenwu Zhang, Zhiyi Yu, Baoshan Zhu
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Anomalous pressure in fluctuating shear flow [PDF]
Physical Review E, 2003 Breakdown of the intensivity of pressure is emphasized. Fig.1 and references added; accepted for publication as a Rapid Communication in Phys.
Wada, Hirofumi, Sasa, Shin-ichi
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Advances in Mechanical Engineering, 2017 The understanding of pressure fluctuation mechanism is the basis for stability and noise analysis in pumps. In this article, numerical study was carried out for the pressure fluctuation within the impeller and the guide vane of a low specific speed mixed-
Wenwu Zhang +3 more
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Study on the Characteristics and Formation Mechanism of Pressure Fluctuation in an Axial Flow Pump Based on Dynamic Mode Decomposition [PDF]
Journal of Applied Fluid MechanicsIn this study, aiming at investigating the formation mechanism of pressure fluctuations of different frequencies in axial flow pumps, the characteristics of pressure fluctuation were determined using fast Fourier transform (FFT) on the basis of a ...
Z. Y. Zhuang, H. H. Zhou, Z. Y. Yu
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Base Pressure Fluctuations [PDF]
The Journal of the Acoustical Society of America, 1960 The intense vibration accompanying the extension of dive brakes and other high drag devices on aircraft and missiles has been observed for many years. Recently, considerable vibration has been experienced at the fundamental longitudinal mode and at other internal resonance frequencies of a vehicle which had a blunt base during the maximum dynamic ...
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Vacuum radiation pressure fluctuations on atoms [PDF]
Physical Review A, 2021 Recent work has shown that the stress tensor components, such as energy density or pressure, of a quantum field can be subject to large vacuum fluctuations. The energy density or pressure must be averaged in time before the fluctuations can be finite, and the probability of a large fluctuation depends upon the details of the averaging and can be much ...
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A study on noise and pressure fluctuation in diffuser of compact centrifugal blower
Nihon Kikai Gakkai ronbunshu, 2016 Recently, it has become more important to develop vacuum cleaners which achieve both high suction power and low noise along with comfortable sound quality.
Takeshi HONDA +2 more
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Applied Sciences, 2020 This paper takes a pump-turbine as the research subject and, based on the Computational Fluid Dynamics (CFD) numerical method and combined with test data, investigates the pressure fluctuation characteristics in the pump mode and analyzes the pressure ...
Ping Huang +4 more
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