Rotor-stator interaction
WebNov 16, 2024 · The rotor stator interaction in a low specific speed Francis model turbine and a pump-turbine is analyzed utilizing pressure sensors in the vaneless space and in the … WebJul 9, 2024 · Flownex uses correlations from Haaser et. al (1987) and Daily and Nece (1960) to calculate the required moments produced by the rotor or stator on the fluid within the …
Rotor-stator interaction
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Web"Function and dynamics of rotor-stator interactions in the proton-translocating Fo motor of ATP synthase"; R15 GM134453 Fellowship: Ruth L. Kirschstein National Research Service … WebNov 18, 2024 · By the singularity method, the acoustic response is obtained with the soft boundary condition applied on the vane surfaces. It is found that considerable noise …
WebThe magnetic field modulation (MFM) principle was first proposed by Prof. Howe [ 7 ] and consists of a high-speed rotor and a low-speed rotor, sandwiched by a flux-modulation-poles (FMPs) ring. Through the MFM effects of FMPs, constant electromagnetic torque can be achieved with a different number of stator and rotor poles. WebIt also demonstrates the possible decisive influence that interaction effects between socio-economic factors, ... First, a reference rotor position for obtaining the reference FRA response of a rotating machine is proposed. Then, ... This paper studies turn-to-turn and ground faults in the stator for different fault resistance values.
WebAug 29, 2008 · In machine systems where a rotor spins within a finite clearance space supported by bearings, contact between the rotor and its surround can result in persistent … WebSep 1, 2024 · Rotor/stator interaction plays a crucial role in predicting the aerodynamic performance of high-speed multi-row axial compressor. Although mixing plane method …
WebThe rotor–stator interaction (RSI) is a ubiquitous phenomenon in turbomachinery [].It spreads up- and downstream, resulting in the formation of strong flow field fluctuations in … alda ne to norcross gaWebJul 1, 2016 · The highest-level fluctuations in large pump-turbines are usually originated from rotor-stator interaction (RSI) in the vaneless region. Hence, the studies of RSI … albagnano di beeWebThe bladerow interactions that can be reproduced are those between adjacent rotors and stators and also between successive rotors or ... the spatial frequencies of the periodic … albonico niceWebOct 1, 2024 · Therefore, the present theory could be used in investigation of rotor–stator interaction broadband noise. 4.2. Results for NPU fan with baseline stator blade. In the … alcool suèdeAn important issue for the aeronautical industry is the reduction of aircraft noise. The rotor–stator interaction is a predominant part of the noise emission. Presented are an introduction to these interaction theories, whose applications are numerous. For example, the conception of air-conditioning ventilators requires a … See more As the source levels can't be easily modified, it is necessary to focus on the interaction between those levels and the noise levels . The transfer function Where M is the See more • Sijtsma, P.; Schulten, J.B.H.M. (2003). "Wake modelling accuracy requirements for prediction of rotor wake-stator interaction noise (NLR-TP-2003-124; AIAA Paper 2003-3138)" See more The minimization of the transfer function $${\displaystyle {{F_{m}} \over {P_{m}}}}$$ is a great step in the process of reducing the noise emission. … See more All this study was made for a privileged direction : the axis of the rotor–stator. All the results are acceptable when the noise reduction is ought to be in this direction. In the case where the noise to reduce is perpendicular to the axis, the results are very different, as … See more album mack 10 allmusicWebApr 10, 2013 · Rotor-stator interaction characteristics can be determined using the analytical model presented by Rodriguez et al. . This model is based on the hypothesis … albino anacondaWebThe article investigates the numeric simulation of two-way aeroelastic processes applied to the experimental phase of a compressor; physical, mathematical, rigid and grid models of the system “gas – rotor –stator” have been worked out; 2 FSI (two-way Fluid-Structure Interaction) calculations have been performed on the evaluation of the ... alberta size in square km