Results 21 to 30 of about 56,882 (149)

Performance Curve of a Radial Flow Turbine for an OWC Plant

open access: yesProceedings, 2018
In this article, the performance of a radial flow turbine is determined in the framework of oscillating water column installations (OWC). The studied turbine redesigned and adapted from previous studies to this application, is analyzed in detail using ...
Mina Saad   +4 more
doaj   +1 more source

Simulación del sistema hidraúlico e hidrológico de la cuenca del río Rímac-Santa Eulalia

open access: yesRevista de Investigación de Física, 2014
El presente trabajo tiene como objetivo elaborar un modelo de simulación, para la operación del sistema hidráulico e hidrológico de la cuenca del río Rímac-Santa Eulalia, que incluye el proyecto de la central hidroeléctrica de Huanza actualmente en ...
D. D. Sarango   +4 more
doaj   +1 more source

Yield strength determination from slump test

open access: yesRibagua, 2021
The routinely determination of the yield strength of muddy beds is particularly important for the assessment of navigation in ports located in estuaries where cohesive sediments are abundant.
Rodrigo Mosquera, Francisco Pedocchi
doaj   +1 more source

Fine sediment dynamics in the Río de la Plata [PDF]

open access: yesAdvances in Geosciences, 2014
This paper investigates the main characteristics of the fine sediments dynamics in a very complex and extensive inner shelf area located in South America, the Río de la Plata.
M. Fossati, F. Cayocca, I. Piedra-Cueva
doaj   +1 more source

Desarrollo e implementación de un modelo matemático para la evaluación del impacto ambiental de la intrusión marina en el acuífero del rio Caplina, Tacna Perú

open access: yesRevista de Investigación de Física, 2010
La sobreexplotación de los acuíferos costeros de nuestro país para el abastecimiento de la demanda de agua para uso doméstico y agrícola ha producido en los últimos años un incremento del problema de la intrusión marina en estos acuíferos.
E. Rojas Gonzáles   +2 more
doaj   +1 more source

Train Braking Time Variations Changing the Pressurized Air Temperature

open access: yesFluids, 2021
Braking time in a moving train at standard speeds has become a critical variable that increasingly concerns the industry. The present paper discusses the possible option of temperature variation to cut down the response time of the whole pneumatic ...
José González, Andrés Suárez
doaj   +1 more source

Temporal and Spatial Variability Scales of Salinity at a Large Microtidal Estuary

open access: yesJournal of Marine Science and Engineering, 2021
The Río de la Plata is a large fluvial–estuarine–sea system discharging into the southwestern Atlantic Ocean, which has relevant features such as high fluvial discharge, microtidal astronomical tidal scales, a relevant meteorological tide, and a strong ...
Michelle Jackson   +3 more
doaj   +1 more source

Modelo de la lubricación hidrodinámica de la articulación de una prótesis de cadera [PDF]

open access: yes, 1997
En este trabajo se estiman las presiones a la cual está sometida la articulación de la cadera por los líquidos fisiológicos, esta aproximación se ha realizado basado en las eciaciones de mecánica de fluidos y considerando la geometría de la prótesis de ...
Gil, F.J.   +2 more
core   +2 more sources

A Cloud-Based Environment for Generating Yield Estimation Maps From Apple Orchards Using UAV Imagery and a Deep Learning Technique

open access: yesFrontiers in Plant Science, 2020
Farmers require accurate yield estimates, since they are key to predicting the volume of stock needed at supermarkets and to organizing harvesting operations.
Orly Enrique Apolo-Apolo   +3 more
doaj   +1 more source

Challenges for chlorophyll-a remote sensing in a highly variable turbidity estuary, an implementation with sentinel-2

open access: yesGeocarto International, 2023
Coastal waters have high ecological and economic relevance and are globally threatened by intense human activities leading to eutrophication. The decameter resolution of Sentinel-2 Multispectral Instrument (S2-MSI) provides an advantage to detect ...
Fernanda P. Maciel   +4 more
doaj   +1 more source

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