Sökning: "nano material"

Visar resultat 1 - 5 av 91 uppsatser innehållade orden nano material.

  1. 1. Monitoring of Partial Discharges on Cable Terminations : An experimental approach to evaluate non-conventional online PD measurement techniques

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Tony Sibo; [2023]
    Nyckelord :Monitoring; Partial discharges; Medium-voltage cable terminations; Sensor performance; Reliability evaluation; Infrared camera IR-camera ; Ultrasonic emission sensor AE-sensor ; Temperature and relative humidity sensor TRH-sensor ; High frequency current transformer HFCT ; Transient earth voltage antenna TEV-antenna ; Conventional VS non-conventional PD measurement techniques; Övervakning; Partiella urladdningar; Mellanspänningskabelslut; Evaluering av sensorprestanda; Utvärdering av systemets tillförlitlighet; Infraröd kamera; Ultraljudssensor; Temperatur- och relativ fuktighetssensor; Högfrekvent strömtransformator; Transient jordspänningsantenn; Konventionella vs icke-konventionella mättekniker;

    Sammanfattning : The transmission of electric power over long distances has historically posed challenges. However, the advent of high-voltage engineering has not only addressed distance barriers and power losses in electricity transmission and distribution, but it has also significantly improved the efficiency and transmission capacity of power grids. LÄS MER

  3. 2. Machinability study on GCI brake discs - Effects of material variations and process behavior on tool life

    Uppsats för yrkesexamina på grundnivå, Lunds universitet/Industriell Produktion

    Författare :Christian Jaunviksna; [2023]
    Nyckelord :Metal cutting Machinability Grey cast iron Tool wear Cutting data Hardness Microstructure Segmentation; Technology and Engineering;

    Sammanfattning : Grey cast iron is one of the most used materials in the automotive industry. The material has a range of properties that makes it suitable for machining applications, but manufacturers still experience machinability problems. LÄS MER

  4. 3. Ion Induced Particle Desorption From Self Supporting Nanomembranes : Influence of Different Geometries and Particle Types

    Kandidat-uppsats, Uppsala universitet/Tillämpad kärnfysik

    Författare :Jonas Beling; [2023]
    Nyckelord :ion; physics; ion physic; scattering; desorption; sputtering; jon; fysik; jonfysik;

    Sammanfattning : Nanoelectronics is a field undergoing rapid development, meaning knowledge of the materials and methods used in nano-scale systems is a driving force in the industry. Silicon is a well known material in nanoelectronics commonly used as a semiconductor and is therefore a good representative for nanomaterials in general. LÄS MER

  5. 4. Stränglös elektronisk gitarr baserad på MIDI

    Uppsats för yrkesexamina på grundnivå,

    Författare :Viktor Flodin; Ludvig Sundelin; [2023]
    Nyckelord :;

    Sammanfattning : Detta projekt genomfördes som en del av kandidatsexamen i teknisk fysik vid Uppsala universitet. Vi hade förmånen att ha Uwe Zimmerman som handledare, som försett oss med material och vägledning under projektets gång. LÄS MER

  7. 5. Direct writing metal-freebio-organic piezoelectricenergyharvester

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Zhuo Zheng; [2023]
    Nyckelord :Piezoelectric effect; metal-free; bio-organic material; γ-glycine; direct writing; energy harvester; Piezoelektrisk effekt; metallfritt; bioorganiskt material; γ -glycin; 3D-utskrift; energiskördare;

    Sammanfattning : The project is about piezoelectric energy harvesters and piezoelectric bio-organic materials.Nowadays, various kinds of energy harvesters based on micro or nano materials are appliedinmanyelectronic applications, such as wearable devices and electricity generators. LÄS MER