Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Laura Velásquez"'
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102241- (2024)
A comprehensive examination of siphon turbine design and optimization using the response surface methodology (RSM) is presented in this study. The goal was to improve the turbine efficiency by analyzing the impact of two key factors: the number of bl
Externí odkaz:
https://doaj.org/article/6f2fc86333164a87a5eded49c7e4c611
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 4, Pp 102596- (2024)
The design of a horizontal-axis propeller hydrokinetic turbine (HPHT) depends on several geometric parameters affecting its hydrodynamic efficiency which is measured through the power coefficient (CP). In this study, a 1 kW turbine with 1.6 m of roto
Externí odkaz:
https://doaj.org/article/07cb0cfcb3d84cd2a0512a65f0844ec2
Autor:
Jonathan Aguilar, Laura Velásquez, Fredys Romero, Johan Betancour, Ainhoa Rubio-Clemente, Edwin Chica
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 35, Iss 8, Pp 577-588 (2023)
In this work, the efficiency of two horizontal-axis hydrokinetic turbines, whose blades were designed with and without multi-element hydrofoil cross-sections, has been numerical and experimentally investigated for tip speed ratio (λ) values ranging
Externí odkaz:
https://doaj.org/article/6537b60f639343a792ab8ba35bf9b2bc
Publikováno v:
Energies, Vol 17, Iss 14, p 3543 (2024)
This work compared the suitability of the k-ϵ standard, k-ϵ RNG, k-ω SST, and k-ω standard turbulence models for simulating a gravitational water vortex hydraulic turbine using ANSYS Fluent. This study revealed significant discrepancies between t
Externí odkaz:
https://doaj.org/article/31c793f1394d46f2a00b19312c788392
Publikováno v:
Revista UIS Ingenierías, Vol 22, Iss 3 (2023)
The availability of the energy has changed the humanity over the last centuries. The first types of energy used by humanity were renewable energies: biomass, wind, and water. But, for the last two centuries, fossil fuels have been the protagonists of
Externí odkaz:
https://doaj.org/article/f622787352094702a81647f462d0a34e
Publikováno v:
Revista de Odontopediatria Latinoamericana, Vol 13 (2023)
Introducción: Técnicas adhesivas contemporáneas permiten la rehabilitación conservadora y estética de dientes afectados por caries dental, trauma dentoalveolar y defectos del desarrollo del esmalte. Para el tratamiento restaurador de la hipomine
Externí odkaz:
https://doaj.org/article/8bedb5dce25f420b89e285b9c065c9a2
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 33, Iss 4, Pp 266-275 (2021)
The Turgo turbine is a relatively cheap, reliable and sustainable type of impulse turbine used in hydroelectric plants, which is generally suited for medium and high head applications. Nowadays, the development and use of technologies for harnessing
Externí odkaz:
https://doaj.org/article/678d7af455084b4a818dc8856ddaded2
Autor:
José Luis Durán Mariño, Eva Lucía Martínez Gallego, Eva Pérez Carballo, Francisco Xavier Rielo Arias, Juan Pena Holguín, Laura Velásquez Castañeda
Publikováno v:
Angiologia e Cirurgia Vascular, Vol 17, Iss 1 (2021)
Introduction: Tromboangiitis Obliterans or Buerguer's disease is one of the expresions of the peripheral arterial disease; its main feauture is the absence of average distal outflow that precludes direct revascularization surgery; lumbar sympathectom
Externí odkaz:
https://doaj.org/article/8d8ddf87155e488eb8cae242b76bebac
Autor:
Camilo Hurtado-Parrado, Myriam Sierra-Puentes, Mohammed El Hazzouri, Alexandra Morales, Diana Gutiérrez-Villamarín, Laura Velásquez, Andrea Correa-Chica, Juan Carlos Rincón, Karen Henao, Juan Gabriel Castañeda, Wilson López-López
Publikováno v:
Frontiers in Psychology, Vol 10 (2019)
Control of negative emotions (e.g., anger and fear) by political cues perpetuate intractable conflict by mobilizing public support for aggressive actions. Halperin et al. (2013) found that reappraisal – an adaptive form of emotion regulation – de
Externí odkaz:
https://doaj.org/article/606b757693ea4357ab8d79bf41b49561
Autor:
Laura Velásquez-García
Publikováno v:
Revista UIS Ingenierías, Vol 18, Iss 2 (2019)
Usando una malla activa y una malla pasiva fue caracterizado un flujo turbulento homogéneo e isotrópico estudiando los exponentes de las funciones de estructura longitudinal y transversales, 〉 y donde u es la fluctuación de la velocidad longitud
Externí odkaz:
https://doaj.org/article/e4436abf814d4898ba53d86b2e0d853d