Πτυχιακές εργασίες / Bachelor Theses: Recent submissions

Now showing items 181-200 of 1168

  • Challenges and perspectives of energy accumulators.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Xagoraris, Emmanouil
    Thesis advisor: Vernardou, Dimitra
    Publication Date: 2023-09-07
    The purpose of this work is to explain what accumulators are along with their challenges the importance of energy storage batteries in every human activity, the impact of energy problems on society and the technological ...

  • Research, development and construction of type delta parallel robot.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Galeros, Michail
    Thesis advisor: Kavvousanos, Emmanouil
    Publication Date: 2023-09-07
    This thesis concentrates on the research and development of a delta parallel robot and aims at three-dimensional modeling and then the actual construction of the robot. The requirement of the construction was set to be ...

  • Diagnosis and troubleshooting inside of a piston engine.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Maniadis, Anastasios
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-09-07
    Combustion engine is one of the most significant scientific breakthroughs for mankind with a big variety of usages in everyday problems. Nowadays vehicles as a means of transport is considered essential, although the ...

  • Project management.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Fotos, Vasileios
    Thesis advisor: Moutsopoulou, Amalia
    Publication Date: 2023-09-08
    This thesis revolves around the area of project management. Project management is a sector that knows great development over the last decades. As more and more large- scale projects are being undertaken, especially inside ...

  • Development of an aerodynamic wing model and study of aerodynamic characteristics through computational fluid dynamics.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Proestakis, Kyriakos
    Thesis advisor: Petousis, Markos
    Publication Date: 2023-09-06
    This thesis is an attempt of an aerodynamic analysis of a wing that of unknown aerodynamic characteristics, with the method of reverse engineering. The method consists of the process of three-dimensional scanning of the ...

  • Chemical deposition through spraying in the atmospheric force cathode with high percentage performance for batteries based in aqueous electrolyte.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Chalkiadakis, Syllas
    Thesis advisor: Vernardou, Dimitra
    Publication Date: 2023-09-08
    Technological growth constitutes the reason that energy consumption has increasingly more and more demand and as a result, technology improvement of batteries owns primate target for science. Their increasingly demand and ...

  • Application investigation of graphene as parasitic element in rectangular patch antenna.

    Η.Μ.U, School of Engineering (ScENG), Electronic Engineering Dept.
    Authors: Smyrnis, Evangelos
    Thesis advisor: Kapetanakis, Theodoros
    Publication Date: 2023-09-05
    The object of this dissertation is the design, simulation, and optimization of an orthogonal geometry patch antenna in the presence of orthogonal parasitic graphene elements. Chapter 1 provides a brief overview of how a ...

  • Production and agricultural assessment of biochar prepared through hydrothermal carbonization of biomass.

    Η.Μ.U, School of Engineering (ScENG), Electronic Engineering Dept.
    Authors: Papachristou, Stamatina
    Thesis advisor: kalderis, Dimitrios
    Publication Date: 2023-08-28
    One of the major issues nowadays, mainly for the developed societies, is the management of the Municipality Solid Waste, and more specifically the biowaste which is produced in vast larger quantities than any other ...

  • Self-assessment of trauma of women who have experienced domestic violence.

    Η.Μ.U, School of Health Sciences (SHS), Social Work Dept.
    Authors: Liakakou, Theodora; Spyridaki, Ioanna
    Thesis advisor: Koutra, Kleio
    Publication Date: 2023-08-25
    Gender-based violence shakes the foundations of society, despite the struggles that have been made to achieve the independence and equality of the two sexes, and the scars it leaves have a significant impact on both the ...

  • Use, dispersion and effects of pharmaceuticals in the biotic environment.

    Η.Μ.U, School of Engineering (ScENG), Electronic Engineering Dept.
    Authors: katraki, Ariadne
    Thesis advisor: Katsivela, Eleftheria
    Publication Date: 2023-08-25
    The purpose of this Diploma Thesis is to investigate the dispersion of pharmaceuticals and their metabolites in the natural environment as well as their effects on living organisms. These compounds are mainly transported ...

  • Improvement of mechanical properties of 3D printed PLA samples by thermopress treatment.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Xevelonaki, Georgia
    Thesis advisor: Vidakis, Nektarios; Petousis, Markos
    Publication Date: 2023-08-24
    Polymers are a group of materials, which in recent years have taken the place of classic materials with traditional applications. Since the time of the ancient Greeks, the Egyptians and the Aztecs, polymers have been in ...

  • Human resources selection procedures in hotel business.

    Η.Μ.U, School of Management and Economic Sciences (SMES), Business Administration and Tourism Dept.
    Authors: Lamprou, Anastasia
    Thesis advisor: Apladas, Georgios
    Publication Date: 2023-08-24
    Hospitality is a broad industry that includes various businesses in the tourism industry, such as hotels, and is vital to the revenues of many countries worldwide. Hoteliers, globally, are trying to increase their revenue, ...

  • Energy interventions and use of renewable energy sources in an old house.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Nikitakis, Ioannis
    Thesis advisor: Katsaprakakis, Dimitrios
    Publication Date: 2023-08-24
    The purpose of the work is to reduce energy losses in an old house. The energy specifications that a house should have are mentioned. Conventional systems are also presented, as well as the alternatives that exist for ...

  • Application of smart materials in mechanical constructions.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Bachtalias, Alexandros
    Thesis advisor: Moutsopoulou, Amalia
    Publication Date: 2023-08-24
    In this thesis, the study of smart materials and mainly piezoelectric elements is carried out, with a particular emphasis on the use of piezoelectrics for their use in mechanical constructions. In the first chapter, an ...

  • Financial and technical management of a Local Authority vehicle fleet.

    Η.Μ.U, School of Engineering (ScENG), Mechanical Engineering Dept
    Authors: Troullinos, Stylianos
    Thesis advisor: Tzirakis, Evangelos
    Publication Date: 2023-08-24
    The main purpose of this specific thesis is the detailed recording and analysis of technical and financial data of the motorized fleet of the Local Government Organization, which consists of 41 vehicles, categorized as ...

  • The impact of the COVID-19 pandemic on the quality of work life of health and social care professionals.

    Η.Μ.U, School of Health Sciences (SHS), Social Work Dept.
    Authors: Aivalioti, Maria; Verykkokou, Maria; Kotsos, Nikolaos
    Thesis advisor: Kalaitzaki, Argyroula
    Publication Date: 2023-08-24
    This Thesis focuses on the potential consequences of the coronavirus pandemic on the quality of working life of health and social care professionals. More specifically, it examines the negative consequences, such as ...

  • The integration of underage refugees into local communities.

    Η.Μ.U, School of Health Sciences (SHS), Social Work Dept.
    Authors: Kliris, Dimitrios; Koumantani, Vasiliki
    Thesis advisor: Pelekidou, Magdalini
    Publication Date: 2023-08-23
    The main aim of the study focuses on the integration of minor refugees in local communities particularly the perspectives and views of the expects in the communities of Rethymnon and Athens. For the materialization of ...

  • Investigating the burnout of health professionals during the Covid 19 pandemic.

    Η.Μ.U, School of Health Sciences (SHS), Nursing Dept.
    Authors: Giannidou, Evgenia; Xenaki, Emmanouela; Toska, Thomai
    Thesis advisor: Rikos, Nikolaos
    Publication Date: 2023-08-23
    Introduction: The Covid-19 pandemic has caused drastic changes to the healthcare system and major social restrictions. The healthcare workers (HCW) are on the front line of fighting against the virus, something that led ...

  • E-commerce and extroversion: comparison between EU countries.

    Η.Μ.U, School of Management and Economic Sciences (SMES), Management Science and Technology Dept.
    Authors: Araouzou, Alexandra-Maria; Motsiou, Michaela-Vasiliki
    Thesis advisor: Skouloudakis, Emmanouil
    Publication Date: 2023-08-22
    Our thesis focuses and investigates the importance of e-commerce and extroversion and how these two are linked and how they achieve proper exports and imports between the countries of the European Union. We will carry out ...

  • Statistical analysis of Greek YouTube channels.

    Η.Μ.U, School of Management and Economic Sciences (SMES), Management Science and Technology Dept.
    Authors: Doudoulakis, Pavlos
    Thesis advisor: Dimotikalis, Ioannis
    Publication Date: 2023-08-22
    The research focuses on conducting a statistical analysis of Greek channels on the YouTube platform. To perform this analysis, data from the HypeAuditor website is utilized, specifically examining the top 100 channels ...