Πτυχιακές εργασίες / Bachelor Theses: Recent submissions

Now showing items 141-160 of 1168

  • Occupational risk assessment in road construction projects.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Mougkros, Georgios
    Thesis advisor: Moutsopoulou, Amalia
    Publication Date: 2023-09-20
    Road construction projects can bring a multitude of benefits to humans. Opening and maintaining a country's road network is a key infrastructure project of paramount importance, as it is directly linked to economic ...

  • Use of piezoelectric materials in mechanical engineering.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Brillaki, Maria; Tzagkourni, Maria
    Thesis advisor: Moutsopoulou, Amalia
    Publication Date: 2023-09-21
    This thesis refers to piezoelectricity, smart materials and their applications. Specifically, the piezoelectric effect produces electric current when subjected to mechanical stress, this process is also reversible. ...

  • Passenger vehicles in Greece. Vehicle fleet and public acceptance of upcoming changes due to emissions.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Rasoulis, Michail
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-20
    This diploma thesis was created in order to highlight the problem of the aging fleet of vehicles in Greece today as well as the problems arising from this fact, mainly in human health with the pollutants produced. A survey ...

  • Design - Study of metal constructions.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Kouka, Kalliopi; Lipe, Evgenia
    Thesis advisor: Moutsopoulou, Amalia
    Publication Date: 2023-09-19
    The subject of the dissertation is the construction of an industrial metal canopy. The history of the basic material, which you call steel, begins in 1000 BC and with evolution it has ended up making such structures and ...

  • Contribution to the design of the required R.E.S. stations for the energy autonomy and the upgrade of the island of Syros.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Dalezios, Konstantinos
    Thesis advisor: Katsaprakakis, Dimitrios
    Publication Date: 2023-09-19
    This work deals with the dimensioning and location, based on the regulations in force, of a hybrid system (electricity production) on the island of Syros as well as the control if such a thing is economically viable. ...

  • Study of mechanical installations in a single-family house building in Rapaniana, Kolymvari, Chania.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Kardamakis, Emmanouil
    Thesis advisor: Moniakis, Myron
    Publication Date: 2023-09-19
    The subject of this thesis is all the required electromechanological studies in a building (2 floor maisonette with basement) in order to be licensed and to proceed with it’s construction.The calculation of the losses of ...

  • Creating a real-time model - based on the signatures of electrical appliances - in order to determine the benefit of the household consumer when moving consumption to the night tariff.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Chatzidavid, David
    Thesis advisor: Sakkas, Nikolaos
    Publication Date: 2023-09-19
    Today (2022) Europe is facing an unprecedented energy crisis that proves the value of electricity. Proper energy management is a key goal set by all developed countries. Saving energy contributes to the protection of the ...

  • Study of all-inorganic perovskite as an anode electrode for Li-ion batteries.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Makri, Dimitra
    Thesis advisor: Vernardou, Dimitra
    Publication Date: 2023-09-19
    The necessity for alternative energy sources is due to the everlasting need to solve the energy and environmental issues that arise from the excessive use of oil and the emission of greenhouse gases. One rising solution ...

  • Driving circles.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Karagiannakis, Miltiadis
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-19
    The subject of this work was the study of driving cycles in Crete. The specific measurement was made for the route Sitia-Heraklion and had 3 reference points where the section Sitia-Selinari, Selinari-AgiosNikolaos, and ...

  • Driving cycle through accidentally registered routes for the city of Heraklion.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Birlirakis, Georgios
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-19
    The scope of this thesis is to highlight the problem of air emissions from passenger vehicles, its solution framework and the recording of traffic data in the city of Heraklion in order to create driving cycles. The ...

  • Analysis of mobile apps used by universities.

    Η.Μ.U, School of Management and Economic Sciences (SMES), Management Science and Technology Dept.
    Authors: Kalyvas, Petros; Loulakakis, Georgios
    Thesis advisor: Panagiotakis, Konstantinos
    Publication Date: 2023-09-19
    Mobile applications have become an integral part of universities as they provide a plethora of benefits to students and staff. These apps are designed to enhance the overall experience of students and provide them with ...

  • Failures of internal combustion engines and their impact on pollution emissions and fuel consumption.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Fountoulakis, Charalampos
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-19
    This dissertation deals with the impact of damage to operation, emissions and engine fuel consumption. More specifically, the purpose of this work is to study the emissions of gases (CO, CO2, NOx) from engines (gasoline ...

  • Energy efficiency study of residential building in Heraklion, Crete.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Ieronymakis, Dimitrios-Charalampos
    Thesis advisor: Kozyrakis, Georgios
    Publication Date: 2023-09-18
    The scope of this thesis the presentation of an energy efficiency study for a residential building, a mandatory official document for every building according to the provisions of law 3661/2008. The aforementioned study ...

  • Pollutant and carbon dioxide emissions (CO2): development of methods for a "green" shipping.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Efthymiou, Stefanos
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-18
    This dissertation presents the current record of the problems arising from the activities of maritime transport of cargo of all types around the world, as well as the direction in which the engineering industry moves to ...

  • Development of voltage inverter database for photovoltaic applications in scales from KW to MW and statistical processing.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Vartzis, Konstantinos
    Thesis advisor: Mavromatakis, Fotios
    Publication Date: 2023-09-18
    Six chapters constitute the present thesis. Τhe first one is about the photovoltaic systems. The second chapter is referred particularly on the inverters, while in the third chapter some terminology issues are presented. ...

  • Technical description of opereation, maintenance and cooling of pumps and calculation of centrifugal pump characteristics.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Sellinas, Dionysios
    Thesis advisor: Katsaprakakis, Dimitrios
    Publication Date: 2023-09-18
    This thesis is intended to describe centrifugal pumps, define their technical characteristics and mention the most basic laws of fluid mechanics. The methods of predictive pump maintenance are also presented and analyzed ...

  • Quarry equipment for the processing and production of stone products.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Andredakis, Ioannis
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-18
    The subject of this dissertation was the quarry, the machinery and the general equipment used in it, as well as the applications of its products. A quarry is a type of open pit mine in which stone, rock, aggregate, ...

  • Establishment of a composite standard energy retail station.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Ahmed, Essam
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-18
    The purpose of this thesis is to describe the process of establishing of a model mixed gas fuel station with the addition of liquified petroleum gas(L.P.G), natural gas (C.N.G), electric charging unit for electric vehicles ...

  • Industrial installation simulator for electricity production on a computer using Unity 3D.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Asprakis, Eleftherios-Tsampikos
    Thesis advisor: Vasilakis, Konstantinos
    Publication Date: 2023-09-18
    This project deals with the development of a 3D industrial computer installation simulator with the help of the Unity 3D software. AutoDesk programs were used mainly for the design of the installation and for the implementation ...

  • Administration and management of mechanical projects.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Pligkos, Ioannis
    Thesis advisor: Moutsopoulou, Amalia
    Publication Date: 2023-09-18
    Project Management is probably the most important thing for implementing a project development and execution. The most important areas that need to be considered for the proper implementation of a project are the following ...