Now showing items 1-20 of 20

  • Development of measurement device and performance of models blades small wind turbines.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Foteinatos, Spyridon
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 16-07-2015
    This undergraduate project includes the design of a measuring device capable of measuring the performance of small model wind turbine blades at the wind tunnel of Wind Energy Lab of TEI Crete. The design of the device was ...
  • Evaluation of prototypes wind turbine blades

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Sakas, Christos
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2016-05-25
    This undergraduate project includes the development of a small wind turbine's blade through existing blade calculating software that has been created by our department based on aerodynamic formulas with the use of excel. ...
  • Flow field assessment of the wind tunnel of the Wind Energy Laboratory of the Hellenic Mediterranean University.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Pachakis, Georgios
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2023-07-03
    Aim of this study was to approach the qualitative characteristics of the flow field of the wind tunnel, of the Hellenic Mediterranean University Wind Energy Laboratory, and explore possible improvements needed to determine ...
  • Performance of photovoltaic cells in connection with the external conditions

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Baxevanis, Panagiotis
    Thesis advisor: Kontaksakis, Konstantinos
    Publication Date: 2016-06-06
    In the present thesis I will present the effect of external conditions and particularly of solar radiation, of the panels frames on the performance of photovoltaic cells. The result of the experimental calculations will ...
  • Site calibration procedures for wind's.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Agriogiannis-Tsafaras, Ilias
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2018-09-10
    In this dissertation we present open-field site calibration procedures for wind’s speed and direction. This presentation is based on measurements applied to a wind turbine during the period 3/3/2011 to 9/8/2016. More ...
  • The evolution of horizontal axis wind turbines.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Foules, Georgios
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 20-07-2012
  • Processing measurements efficiency of small wind turbines.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Koutentakis, Aristeidis
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 18-12-2013
    This thesis concerns the development of a program that processes wind data measurements in order to validate the results of measurements obtained accordance with the procedures of international standards IEC 61400-12-1 and ...
  • Calculation and evaluation of the wind flow of the wind tunnel of the Wind Energy Laboratory of TEI of Crete.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Stavrakakis, Ioannis
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2017-12-15
    The purpose of this diplomatic project is to analyze the wind turbine wind field of the TEI Crete Wind Energy Laboratory in order to determine if reliable model tests can be made using this as well as the areas where the ...
  • Methodology of calculation of small wind turbines.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Valsamakis, Aristeidis
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2018-07-09
    Summary In recent years, the exploitation of renewable energy has shown a rapid increase for many reasons. The main reason is that they are environmentally friendly as they are used in the form we encounter in nature and ...
  • Study for the coverage of electricity requirements of a house, with renewable energy sources.

    T.E.I. of Crete, School of Engineering (STEF), Department of Electrical Engineering
    Authors: Lyratzakis, Ioannis
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 20-05-2013
    This thesis aims to design a compact renewable energy hybrid system. The target of this system is to fully cover the electricity requirements of a house which is located in the area of Heraklion in Crete. Furthermore this ...
  • Feasibility study for a wind farm of nominal power 6,8 MW in the extended area of Tylisos, Heraklion.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Konstantinos, Ioannis
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 15-07-2015
    The issue deals with the exploitation of wind energy and the location of its facilities. It is divided into five sections and its aim is to gradually present the theoretical foundations and computational procedure for a ...
  • Parametric design of curved geometry wind turbine rotor.

    T.E.I. of Crete, School of Engineering (STEF), IPPS in Energy Systems
    Authors: Kougioumtzoglou, Ioannis
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2017-09-11
    This paper refers to the parametric design of a curved geometry wind turbine blade through existing programs that have been created by Professors and staff of the Mechanical Engineering department of T.E.I. Crete, which ...
  • Air flow simulation around NACA 4412 airfoil at low Reynolds numbers in order to calculate its aerodynamics coefficients

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Kounelakis, Emmanouil
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2023-06-21
    The subject of this diploma thesis is the three-dimensional design and the air flow’s simulation around NACA 4412 airfoil in order to calculate the air dynamics coefficients at three (3) low Reynolds numbers. Those ...
  • Comparative study of two different wind turbine towers.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Xirouchakis, Stamatios
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 24-10-2014
    The present essay provides a comparative study of the two most common types of self-supporting small wind horizontal axis turbine towers, specifically the tubular steel wind turbine tower and the lattice tower wind turbine. ...
  • Contribute to the evaluation of the Mechanical Engineering Department.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Anglopoulou, Ioanna
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 15-07-2015
    Through this assignment, graduates and employers of staff who has completed their studies on the specific subject are trying to evaluate the department of Mechanical Engineering T.E. with a view on the job market. Initially, ...
  • Wind power park maintenance and wind turbine Nordex42.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Gonianakis, Georgios
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 2018-01-08
    The wind park is an array of wind turbines. The parks are divided into land and offshore. Types of wind turbines are classified primarily according to the orientation of their axes in relation to the wind flow. Horizontal ...
  • Design and creation of an array for measuring aerodynamic loads.

    T.E.I. of Crete, School of Engineering (STEF), Energy and Environmental Technology EUP
    Authors: Arvaniti, Zoi
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 29-02-2008
    The subject of this work is to find a way in order to construct a device which can give us results for the rate of the forces applied on a model been into a test section of a wind tunnel. In order to have the best answer ...
  • Technology of offshore wind turbine foundation.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Tzanetakis, Eleftherios
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 17-12-2013
    The purpose of this study is to investigate the technology foundations for wind turbines are based on the sea near the coast, coastal wind farms and wind turbines based on the open sea, offshore wind farms . Also designed ...
  • Technology for pillars of coastal wind turbines.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Malaxianakis, Antonios
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 03-07-2014
    The aim is to investigate the technology of coastal wind turbines specifically for the pillars of wind turbines. If you look at the wind potential in coastal areas of Europe , as shown in Figure 29 on page 30, we see ...
  • Calculation of aerodynamic coefficients through computer program.

    T.E.I. of Crete, School of Engineering (STEF), Department of Mechanical Engineering
    Authors: Makaronas, Konstantinos
    Thesis advisor: Kontaxakis, Konstantinos
    Publication Date: 07-07-2015
    In this undergraduate project, the aerodynamic coefficients for lift-drag are calculated through the Solidworks Flow Simulation programm for the SERI S809 airfoil, and then compared with the experimental data from the ...