Results 131 to 140 of about 74,293 (256)

A simplified two‐station approach for modeling metabolism in dam tailwaters subject to diel flow variation

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Tailwaters are ubiquitous and highly managed ecosystems whose food webs often rely disproportionately on autochthonous energy. In situ continuous dissolved oxygen data are increasingly being used to estimate gross primary productivity and ecosystem respiration in rivers, but this approach is complicated in tailwaters, where upriver ...
Ian W. Bishop   +5 more
wiley   +1 more source

A study of unsteady flow wave attenuation in partially filled pipe networks

open access: yes, 1984
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The attenuation of unsteady flow in building drainage systems must be fully considered if water conservation proposals involving changes in flush volume or
Bridge, Sarah
core  

Influence of Wing Elasticity on the Experimental and Numerical Determination of Dynamic Derivatives

open access: yes, 2013
The presented investigations deal with the analysis of dynamic derivatives of a modern transport aircraft configuration (DLR-F12). The conducted wind tunnel tests focused mainly on the measurements of unsteady forces, moments and pressure distributions ...
Spiering, Frank   +5 more
core   +1 more source

Prototyping an Innovative Ducted Fan System With Multi‐element Wings for the Electric Propulsion of Flying Devices

open access: yesMacromolecular Symposia, EarlyView.
ABSTRACT This paper presents theoretical aspects and experimental tests for the design and optimization of a novel ducted fan propulsion system, complemented by multi‐element wings inspired by Handley Page and the aerodynamic Channel Wing concept.
Adrian Niță   +4 more
wiley   +1 more source

Voice and Speech in Atypical Parkinsonian Disorders

open access: yesMovement Disorders Clinical Practice, EarlyView.
Background Motor speech disorders are early, common, and functionally limiting features of atypical parkinsonian disorders (APDs) such as progressive supranuclear palsy (PSP), corticobasal syndrome (CBS), and multiple system atrophy (MSA). These impairments are underrecognized and undertreated in neurology clinics.
Federico Rodriguez‐Porcel   +48 more
wiley   +1 more source

Treatment Continuation and Long‐Term Outcomes of Perampanel in Primary Orthostatic Tremor; A Cohort Study

open access: yesMovement Disorders Clinical Practice, EarlyView.
Background Primary orthostatic tremor (POT) is a rare hyperkinetic movement disorder with limited and largely ineffective treatment options. Perampanel has been suggested as a therapy, but has so far only been investigated in small studies with short duration.
Wietske A. Babeliowsky   +4 more
wiley   +1 more source

Efficient Computation of Dynamic Stability Data with a Linearized Frequency Domain Solver.

open access: yes, 2010
Determination of aeroelastic stability boundaries for full aircraft configu- rations by solving the time-accurate unsteady Reynolds-averaged Navier-Stokes (RANS) equations is recognized as extremely computationally expensive or impractical.
Thormann, Reik   +3 more
core  

Study of shock movement and unsteady pressure on 2D generic model

open access: yes, 2006
A flexible generic model has been developed at the Chair of Heat and Power Technology in order to perform fatter experiments in a more fundamental fashion.
Fransson, Torsten H.,   +1 more
core   +1 more source

Radiative Effect on an Unsteady Darcy Forchheimer MHD Flow Over a Vertically Inclined Stretching Sheet in Presence of Porous Medium

open access: yesEast European Journal of Physics
This study looks at how radiation and heat move through a two-dimensional, unsteady Darcy-Forchheimer MHD flow that flows across a porous, stretched plate that is vertically inclined and has a transverse magnetic field applied to it.
Ankur Kumar Sarma   +4 more
doaj   +1 more source

Orthostatic Myoclonus—Clinical and Electrophysiological Features in a Large Retrospective Cohort

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background Orthostatic myoclonus is characterized by irregular, lower limb myoclonic bursts during stance and is a major cause of postural instability and falls. However, studies are limited, and little is known about its pathophysiology. Objectives We sought to define the clinical and electrophysiological features of orthostatic myoclonus in ...
Sai A. Nagaratnam   +8 more
wiley   +1 more source

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