Výsledky vyhledávání - "Eleni C. Douvi"

Phase change materials in solar domestic hot water systems: A review

Autor: Y. G. Caouris, George Dogkas, Michail Gr. Vrachopoulos, Maria K. Koukou, Eleni C. Douvi, Vassilis N. Stathopoulos, Christos Pagkalos

Publikováno v: International Journal of Thermofluids, Vol 10, Iss, Pp 100075-(2021)

In this work, technologies related to the storage of solar energy, utilizing the latent heat content of phase change materials for the production of domestic hot water are reviewed. Many researchers have been involved in this field in order to accomp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::322b4ce103b766c40bcab4a8b3a320c9
http://www.sciencedirect.com/science/article/pii/S2666202721000136

Zobrazit plný text záznamu

Numerical Simulation of NACA 0012 Airfoil Operating under Hailstorm Conditions

Autor: Dionissios P. Margaris, Dimitra C. Douvi, Dionysios K. Plessas, Eleni C. Douvi

Publikováno v: International Journal of New Technology and Research. 7

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2309445806f153c621df17b5fe939857
https://doi.org/10.31871/ijntr.7.2.13

Zobrazit plný text záznamu

Computational Study of NACA 0012 Airfoil in Air-Sand Particle Two-Phase Flow at Reynolds Number of Re=1.76×106

Autor: Dionissios P. Margaris, Eleni C. Douvi, Dimitra C. Douvi

Publikováno v: International Journal of New Technology and Research. 5

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d5b08b58b9d02e67777338a12b97b4a
https://doi.org/10.31871/ijntr.5.4.18

Zobrazit plný text záznamu

Numerical and Computational Analysis of a New Vertical Axis Wind Turbine, Named KIONAS

Autor: Ioannis E. Drosis, Eleni C. Douvi, Dionissios P. Margaris, Dimitra C. Douvi

Publikováno v: Computation, Vol 5, Iss 1, p 8 (2017)
Computation; Volume 5; Issue 1; Pages: 8

This paper concentrates on a new configuration for a wind turbine, named KIONAS. The main purpose is to determine the performance and aerodynamic behavior of KIONAS, which is a vertical axis wind turbine with a stator over the rotor and a special fea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::273131b6159a5d16a8b54cd3427f15cd
http://www.mdpi.com/2079-3197/5/1/8

Zobrazit plný text záznamu

Aerodynamic Performance Investigation under the Influence of Heavy Rain of a NACA 0012 Airfoil for Wind Turbine Applications

Autor: Dionissios P. Margaris, Eleni C. Douvi

Publikováno v: International Review of Mechanical Engineering (IREME). 6:1228-1235

The study of the prediction of the flow field and aerodynamic characteristics of a NACA0012 airfoil in simulated heavy rain, using a computational fluid dynamics code is presented. The simulation of rain is accomplished by using the two-phase flow Di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e408b24817a1d133fc2024b130c241b2
https://doi.org/10.15866/ireme.v6i6.20761

Zobrazit plný text záznamu

Study of the Hydrodynamic Behavior of Horizontal Axis Tidal Turbines Based on the Blade Element Momentum Theory and Numerical Simulations

Autor: Eleni C. Douvi, Dionissios P. Margaris

Publikováno v: International Review of Mechanical Engineering (IREME). 12:476

The aim of this study is to predict the power output and the power coefficient for various tidal turbine rotors, with four different airfoils, in particular, the Eppler E603, the NACA 653-618, the NREL's S816 and the NREL's S831 airfoils. The first s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8af0a396183f0edb85e50284adb505f0
https://doi.org/10.15866/ireme.v12i6.14184

Zobrazit plný text záznamu

2D Hydrodynamic Blade Analysis of Tidal Darrieus Turbine

Autor: Eleni C. Douvi, Charalampos D. Maritsis, Dionissios P. Margaris

Publikováno v: International Review of Mechanical Engineering (IREME). 12:162

The present paper addresses the two-dimensional hydrodynamic blade analysis of vertical axis Darrieus H type tidal turbine with the aim of maximizing the performance and improving power extraction compared to air. Despite the lower peak efficiency co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41674b755b19fc2cb171f25ac926bca3
https://doi.org/10.15866/ireme.v12i2.14264

Zobrazit plný text záznamu

Performance and Aerodynamic Attitude of KIONAS, a New Configuration of a Vertical Axis Wind Turbine

Autor: Dimitra C. Douvi, Eleni C. Douvi, Ioannis E. Drosis, Dionissios P. Margaris

Publikováno v: International Review of Mechanical Engineering (IREME). 10:157

The aim of this work is to show the performance and the aerodynamic attitude of KIONAS, a new configuration of a vertical axis wind turbine. KIONAS has a stator over the rotor and the special feature that is able to consist of several stages. The sta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9a116f394ebecc35d95e6d83581a860
https://doi.org/10.15866/ireme.v10i3.8873

Zobrazit plný text záznamu

Low Reynolds Number Investigation of the Flow Over a NACA 0012 Airfoil at Different Rainfall Rates

Autor: Sotirios D. Lazaropoulos, Eleni C. Douvi, Stylianos G. Svanas, Dionissios P. Margaris

Publikováno v: International Review of Mechanical Engineering (IREME). 7:625

The influence of different rain rates on the aerodynamic performance of the NACA 0012 airfoil with a low Reynolds number of 1×105 was investigated. Wind tunnel tests were conducted to determine lift and drag coefficients at various angles of attack

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c554d2683fe97859120b0292bfdf5745
https://doi.org/10.15866/ireme.v7i4.3813

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání