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Wyszukujesz frazę "Rio Rodriguez, Andres del" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
An ideal model of data interchange based on a real mode
Autorzy:
Alcala Navarro, Xavier
Fernandez Fraga, Ana Isabel
Rio Rodriguez, Andres del
Obenza Fernandez, Antonio
Powiązania:
https://bibliotekanauki.pl/articles/656854.pdf
Data publikacji:
2002
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Opis:
There are industrial sectors that have been working with traditional EDI systems during the last decades. One of these is car manufacturing. The traditional EDI legacy systems mainly link hub companies and first tier suppliers. During the last years new technologies and techniques have been developed that introduce vital changes in B2B: the Internet, the web and XML Legacy systems mean costly investments and still work satisfactorily; but 42H has to include all the supply chain companies, and all production sectors. This document tries to introduce an ideal model that, taking into account legacy systems, shows the way towards a full integration for enterprises o f all sizes and kind o f activity. This model is a projection o f a real model already developed and working: ComprasAuto, developed by the Centre for Innovation and Services of Galicia (Spain) as an order from CEAGA, a cluster of first and second tier Galician companies in the supply chain of Citroen production plant in Vigo (Galicia).
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2002, 157
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
2D numerical analysis of an H-Darrieus hydrokinetic turbine with passive improvement mechanisms
Autorzy:
Guevara-Munoz, Angie Judith
Hincapie-Zuluaga, Diego Andres
Rodriguez-Cabal, Miguel Angel
Sierra-Del-Rio, Jorge Andres
Colmenares-Quintero, Ramón Fernando
Torres-Lopez, Edwar
Powiązania:
https://bibliotekanauki.pl/articles/38911523.pdf
Data publikacji:
2023
Wydawca:
Instytut Podstawowych Problemów Techniki PAN
Tematy:
renewable energy
H-Darrieus rotor
hydrokinetics
diffusers
computational fluid dynamic
CFD
external accessories
Opis:
H-Darrieus hydrokinetic turbines are an alternative for small hydroelectric plants. These turbines are considered to have a low environmental impact as they do not require reservoirs. However, they have limited self-starting capacity, which limits their use. Nevertheless, the configuration of passive mechanisms in the H-Darrieus turbines affects their performance, as they tend to increase the flow velocity. This study is part of a project with the aim to design and build a turbine to generate energy in the Colombian river scenario in non-interconnected zones. The objective of this study is to analyze the performance through numerical simulations of four H-Darrieus rotors to be configured with passive improvement mechanisms. The study was conducted using ANSYS® Fluent software, employing transient, two-dimensional models under constant operating conditions. Overlapping meshes were used for the stationary and rotating domain configuration. The results show that increased solidity leads to decreased tip speed ranges and increased maximum rotor power. Improvement in the self-starting capability was found with passive mechanisms employing a diffuser geometry. Among the tested configurations, the rotor configured with a Venturi-shaped mechanism achieved a remarkable 660% improvement in the power coefficient compared to configurations without such mechanisms.
Źródło:
Engineering Transactions; 2023, 71, 4; 553-569
0867-888X
Pojawia się w:
Engineering Transactions
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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