نتایج جستجو برای: wake effect

تعداد نتایج: 1659585  

2014
Matthew B. de Stadler Sutanu Sarkar Kyle A. Brucker

Journal: :Journal of physics 2022

Abstract In recent years dynamic induction control has shown great potential in reducing wake-to-turbine interaction by increasing the mixing wake. With these wake methods thrust force will vary time. If applied to a floating offshore wind turbine, it cause platform move. this paper effect of Helix approach on DTU10MW turbine TripleSpar and its is evaluated. When at Strouhal equal 0.25, yaw mov...

2017
Felix Sutton Jan Beutel Lothar Thiele

We propose a novel method for mitigating erroneous wake-ups that are commonly associated with ultra-low power wake-up receivers. Recent research in low-power protocols has demonstrated significant improvements in energy-efficiency by employing ultralow power wake-up receivers. However, due to the low-complexity receiver structures adopted, wake-up receivers are susceptible to external interfere...

Journal: :Biometrics 1999
P Qiu R Chappell W Obermeyer R Benca

We developed a statistical model for rat sleep-wake behavior over the 24-hour day; this model could be used for animals exposed to shorter cycles of light and dark conditions. Rat behavior was classified either as "wake" or "sleep," as determined by analysis of electrophysiological data. The proposed model consists of three parts: the first two explain cyclic effects relating to the lighting co...

2007

Significant improvements were also seen across key PSG-derived secondary endpoints including Wake After Sleep Onset (WASO) and Latency to Persistent Sleep (LPS). Although the study was not powered to show this, the 2.5 mg dose also showed a significant effect on TWT (Total Wake Time) during the second half of the night, indicating that EVT 201 is highly effective in maintaining sleep throughout...

Journal: :The Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2019

Journal: :Journal of Marine Science and Engineering 2023

It is well known that biofouling increases a ship’s resistance and nominal wake. For submarines, any change to the circumferential variation of wake in propeller plane will affect flow over blade, hence fluctuating forces, noise, generated by propeller. The ANSYS FLUENT commercial Reynolds-Averaged Navier Stokes Computational Fluid Dynamics solver was used investigate influence both longitudina...

2008
M. Shoucri

We study the generation of nonlinear plasma wake fields by intense laser pulses, using an Eulerian code for the numerical solution of the fully relativistic onedimensional (1D) Vlasov-Maxwell equations. The examination of the phase-space of the distribution function allows to study without numerical noise aspects of the particle acceleration by the wake-field generated by intense laser pulses, ...

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