Sökning: "Cavity wall"

Visar resultat 1 - 5 av 19 uppsatser innehållade orden Cavity wall.

  1. 1. Tillämpning av additiv tillverkning för framtagning av ett hållfast formsprutningsverktyg

    Master-uppsats, Mälardalens universitet/Akademin för innovation, design och teknik

    Författare :Ahmed Najaf; JR Pezo Salas; [2024]
    Nyckelord :Formsprutning; SLA; 3D-printning; Additiv tillverkning; Resin; CAD; Gjutform; Optimering; Produktutveckling; Konstruktion; Design.;

    Sammanfattning : Introduction: Additive manufacturing (AT) also known as 3D printing has become a more widespread technology in various industries. The manufacturing method has increased the efficiency of manufacturing industries in producing products with technically challenging properties. LÄS MER

  3. 2. Solar Photovoltaic Fire Risks : FE-analysis of fire exposed solar photovoltaic systems and comparison of current legislation and recommendations from different countries

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Byggkonstruktion och brand

    Författare :Elin Bergroth; Greta Torstensson; [2023]
    Nyckelord :Solar Photovoltaic; National Guidelines; Fire Department; FE-analysis; TASEF; Solceller; Nationella Riktlinjer; Räddningstjänst; FE-analys; TASEF;

    Sammanfattning : The global use of energy increases every day and to meet the growing demand, energy sources are constantly being developed to become more efficient and reliable. During the last decade, the global solar photovoltaics (PV) capacity has increased every year and in 2017, solar PV was the global leading power source of renewable energy. LÄS MER

  4. 3. Bubble Dynamics on Artificial Nucleation Sites in Boiling Heat Transfer

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Yuqing Zhang; [2021]
    Nyckelord :;

    Sammanfattning : Pool boiling heat transfer is a complicated scientific problem due to the complex phase change process. In recent years, with the development of nuclear technology, microelectronics and space exploration, more attention has been paid to boiling which present great potentials for the thermal management in these applications because nucleate boiling has much better heat transfer performance than single-phase fluid, while bubbles, including their departure frequency and diameter and the interaction between bubbles plays an important role in determination of the heat transfer performance. LÄS MER

  5. 4. INTERMEDIATE-SCALE TESTS AND CONE CALORIMETER TESTS - FIRE BEHAVIOUR OF SELECTED FACADE MATERIALS

    Master-uppsats, Lunds universitet/Avdelningen för Brandteknik

    Författare :Tanja Cernosa; [2020]
    Nyckelord :Fire behaviour; Intermediate-scale facade tests; cone calorimeter; stone wool; phenolic foam; WRB; Technology and Engineering;

    Sammanfattning : In the last few years, the implementation of well-ventilated façades in buildings increased due to their improved energy performance. However, their double-wall construction due to the limited airflow within an air cavity represents a significant fire risk, since the flames that spread into the air cavity can elongate up to ten times. LÄS MER

  7. 5. Analysis of wall-mounted hot-wire probes

    Master-uppsats, KTH/Strömningsmekanik och Teknisk Akustik

    Författare :Alvisi Alex; Perez Adalberto; [2020]
    Nyckelord :Turbulent Boundary layer; Turbulent Channel Flow; Hot Wire Anemometer; Direct Numerical Simulations; Immersed Boundary Method;

    Sammanfattning : Flush-mounted cavity hot-wire probes have been around since two decades, but have typically not been applied as often compared to the traditional wall hot-wires mounted several wire diameters above the surface. While the latter suffer from heat conduction from the hot wire to the substrate in particular when used in air flows, the former is belived to significantly enhance the frequency response of the sensor. LÄS MER