Results 11 to 20 of about 272,852 (112)

A Comparative Review of the Current Methods of Analysis and Design of Stiffened and Unstiffened Steel Liners

open access: yesApplied Sciences, 2022
There are significant levels of concern about both the safety assessment and financial evaluation of the whole hydropower system, especially at early project stages.
Araceli Martin-Candilejo   +3 more
doaj   +1 more source

Does Entrepreneurship Work? Understanding What Policy Entrepreneurs Do and Whether It Matters

open access: yesPolicy Studies Journal, Volume 49, Issue 4, Page 968-991, November 2021., 2021
When a major policy change occurs, policy entrepreneurs—advocates who devote substantial time, energy, and resources to campaigning for a specific policy outcome—are often credited as critical influences. However, there has been a little quantitative, large‐n cross‐sectional study of whether policy entrepreneurship effectuates policy change, how policy
Gwen Arnold
wiley   +1 more source

GERAÇÃO DE ENERGIA HIDRELÉTRICA ATRAVÉS DE UMA TURBINA FRANCIS PARA O USO RESIDENCIAL

open access: yesConexões: Ciência e Tecnologia, 2022
As turbinas hidráulicas são uma das principais componentes na geração da energia hidrelétrica, porém, o alto valor de aquisição e manutenção desses dispositivos constitui a maior limitação para uso nos países em via de desenvolvimento.
Abdala Raúl Muarigue   +1 more
doaj   +1 more source

VIVIENDA SUSTENTABLE: APORTES PARA UN MANEJO EFICIENTE DEL RECURSO AGUA EN SANTA FE-ARGENTINA

open access: yesRevista Hábitat Sustentable, 2020
Este trabajo propone estudiar el recurso agua en la ciudad de Santa Fe, con el propósito de valorar el rol de las instalaciones en relación a la eficiencia energética.
DIEGO FISCARELLI
doaj   +1 more source

Diseño e Implementación de un Sistema de Regulación de Carga de Batería en una Planta de Microgeneración Hidráulica

open access: yesIngenierías USBMed, 2017
En este proyecto se diseña y construye un sistema de regulación de carga de batería en una planta de microgeneración hidráulica que usa una turbina de reacción tipo Francis. Para regular la carga de la batería se adapta un controlador MPPT [Maximum Power
Emil Hernández Arroyo   +2 more
doaj   +1 more source

Modelo virtual de una micro turbina hidráulica en una red de acueducto para la producción de energía eléctrica [PDF]

open access: yes, 2020
Trabajo de investigaciónEsta investigación tiene como objetivo mostrar el comportamiento del flujo frente a una micro turbina hidráulica diseñada y adaptada con parámetros específicos para la generación de energía en tuberías, con el fin de obtener ...
Ayala-Almeciga, Juan Sebastian   +1 more
core   +1 more source

Machine Learning as a Diagnosis Tool of Groundwater Quality in Zones with High Agricultural Activity (Region of Campo de Cartagena, Murcia, Spain)

open access: yesAgronomy, 2022
Groundwater is humanity’s freshwater pantry, constituting 97% of available freshwater. The 6th Sustainable Development Goal (SDG) of the UN Agenda 2030 promotes “Ensure availability and sustainable management of water and sanitation for all”, which takes
Eva M. García-del-Toro   +4 more
doaj   +1 more source

Annual Optical Performance of a Solar CPC Photoreactor with Multiple Catalyst Support Configurations by a Multiscale Model

open access: yesInternational Journal of Photoenergy, Volume 2018, Issue 1, 2018., 2018
In this work, the seasonal and yearly optical performance of supported catalyst CPC solar photocatalytic reactors has been theoretically analyzed. A detailed model for the optical response of the anatase catalyst films is utilized, based on the characteristic matrix method, together with Monte Carlo ray tracing simulations.
Manuel I. Peña-Cruz   +6 more
wiley   +1 more source

Sílabo de Hidráulica [PDF]

open access: yes, 2023
La asignatura corresponde al área de estudios específicos, es de naturaleza teórico-práctica. Tiene como propósito desarrollar en el estudiante la capacidad de aplicar las leyes y propiedades de la hidráulica evaluando y calculando pérdidas de energía.
Universidad Continental
core  

Efeito da Rede de Reservatórios sobre a Energia Hidráulica Acumulada em Bacia Hidrográfica de Meso-Escala no Semiárido Brasileiro

open access: yesConexões: Ciência e Tecnologia, 2017
O Nordeste do Brasil está inserido em região semiárida cujas precipitações irregulares, associadas a elevadas taxas de evaporação potencial e solos rasos, são características predominantes.
Antonia Tatiana Pinheiro do Nascimento   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy