نتایج جستجو برای: static stall

تعداد نتایج: 111701  

2007
Zheng Zhang Pedro Trancoso Josep Torrellas

Although cache-coherent shared-memory multiprocessors are sometimes used to run commercial workloads, little work has been done to characterize how well they support these work-loads. In particular, we do not have many insights on the demands of commercial workloads on the memory subsystem of such machines. These issues are important because of the large market for commercial applications. In t...

Journal: :Water 2021

Parallel compressor theory (PCT) is commonly used to estimate effects of inlet distortion on performance. As well as compressor, the actual inflow pump also nonuniform and unfavorable for performances. Nowadays, insufficient understanding performance restricts its development. Therefore, this paper applies PCT predict external characteristics evaluate internal flow instability waterjet under in...

2009
Alex C. Ezeh Blessing U. Mberu Jacques O. Emina

We use data from the Demographic and Health Surveys to examine the patterns of stall in fertility decline in four Eastern African countries. Contrary to patterns of fertility transition in Africa that cut across various socio-economic and geographical groups within countries, we find strong selectivity of fertility stall across different groups and regions in all four countries. In both Kenya a...

2015
Sang-im Lee Jooha Kim Hyungmin Park Piotr G. Jabłoński Haecheon Choi

The alula is a small structure located at the joint between the hand-wing and arm-wing of birds and is known to be used in slow flight with high angles of attack such as landing. It is assumed to function similarly to a leading-edge slat that increases lift and delays stall. However, in spite of its universal presence in flying birds and the wide acceptance of stall delay as its main function, ...

Journal: :International Journal of Micro Air Vehicles 2023

This study presents the design, implementation, and assessment of a combined passive active flow control technique with aim increasing aerodynamic performance fixed-wing Micro Air Vehicles (MAVs). Power consumption restrictions in MAVs support choice solutions such as use modified (tubercled) wing leading edge. strategy successfully allows to delay mitigate stall but detrimental effects are fou...

Journal: :SSRN Electronic Journal 2011

2014
Jack Edwards Jack R. Edwards

Number of Papers published in peer-reviewed journals: Number of Papers published in non peer-reviewed journals: A Study of Supersonic Compression-Corner Interactions using Hybrid LES/RANS Models Report Title This research has developed a new hybrid large-eddy /Reynolds-averaged Navier-Stokes turbulence closure strategy specifically designed for strongly interacting, wall-bounded flows. The mode...

Journal: :Animal : an international journal of animal bioscience 2014
S Conte R Bergeron J Grégoire M Gète S D'Allaire M-C Meunier-Salaün N Devillers

The objectives were to evaluate quantitative animal-based measures of sow welfare (lameness, oral stereotypies and reactivity to humans) under commercial farm conditions, and to estimate the influence of housing, sow parity and stage of gestation on the outcome of these measures. Across 10 farms, 311 sows were used. Farms differed in terms of housing design (pen v. stall), space allowance, floo...

Journal: :Physics of Plasmas 2023

This study employs a numerical simulation method that combines the plasma body force model based on electrostatics with Navier–Stokes equations to investigate coupling mechanism of flow fields induced by multistage dielectric-barrier discharge (MDBD) actuation. Compared conventional single-stage alternating-current DBD (AC-DBD) actuation, MDBD actuation provides higher intensity and larger cont...

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