Sökning: "Intermittency"

Visar resultat 1 - 5 av 25 uppsatser innehållade ordet Intermittency.

  1. 1. Otrygghet på svenska redaktioner. Hat, arbetsbelastning eller utLASning? En översikt av svenska journalisters arbetsmiljö

    Kandidat-uppsats, Umeå universitet/Institutionen för kultur- och medievetenskaper

    Författare :Elias Liljeström; [2020]
    Nyckelord :Journalists’ and job security; Hate and intimidation; News media; Sweden;

    Sammanfattning : Although the Nordic countries have consistently ranked at the top of the Press Freedom Index for the last decade they aren’t a monolith, untouched by the rise of populism, authoritarianism and its frequent attacks on the press; a scourge of democratic nations during the last vestiges of the 2010s. Nor have their media managed to escape the rocky seas of finding viable market solutions in an increasingly accelerating and expanding digital reality. LÄS MER

  2. 2. Balansering av Sveriges elsystem år 2040 – En teknoekonomisk analys

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Miljö- och energisystem

    Författare :Max Kennerland; Emily Garney; [2020]
    Nyckelord :Elsystem; effektbalans; balanskraft; uthållighet; gasturbiner; efterfrågeflexibilitet; energilager Electricity system; power balance; balance power; endurance; gas turbines; demand response; energy storage; Technology and Engineering;

    Sammanfattning : Sveriges framtida elsystem står inför en stor omställning, där kärnkraft successivt kommer att fasas ut, samtidigt som det sker en stor utbyggnad av vindkraft. Vindkraftens sjunkande priser, tillsammans med Sveriges mål om ett 100 % förnybart elsystem år 2040, gör det till en attraktiv resurs. LÄS MER

  3. 3. Virtual Power Plant Optimization Utilizing the FCR-N Market : A revenue maximization modelling study based on building components and a Battery Energy Storage System. Based on values from Sweden's first virtual power plant, Väla.

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

    Författare :Bill Edwall; [2020]
    Nyckelord :Virtual power plants; Battery energy storage system; Frequency containment reserve – normal; component optimization;

    Sammanfattning : Renewable energy resources are projected to claim a larger part of the Swedish power mix in coming years. This could potentially increase frequency fluctuations in the power grid due to the intermittency of renewable power generating resources. These fluctuations can in turn cause issues in the power grid if left unchecked. LÄS MER

  4. 4. The Nuclear Option : A Global Sustainability Appraisal of Civil Nuclear Energy

    Kandidat-uppsats, Högskolan i Gävle/Avdelningen för byggnadsteknik, energisystem och miljövetenskap

    Författare :Sebastian Arnström; [2020]
    Nyckelord :nuclear power; solar power; wind power; sustainability; sustainable development; sustainable energy development; sustainability of nuclear power; nuclear accidents; nuclear weapons proliferation; nuclear fuel depletion;

    Sammanfattning : Energy production systems are essential for human progress. They fuel the technologies that underpin economic growth and are prerequisite for efficient food production, education and healthcare. On the flip side, they also incur substantial eco-social costs. LÄS MER

  5. 5. Two-dimensional roughness and Tollmien-Schlichting waves: a study on transition

    Master-uppsats, KTH/Strömningsmekanik och Teknisk Akustik

    Författare :Derek Micheletto; [2020]
    Nyckelord :;

    Sammanfattning : Two-dimensional (2D) roughnesses induce premature transition to turbulence in laminar boundary layers by amplifying the disturbances in the flow and promoting the development of non-linearities. The present thesis aims at furthering our understanding of this phenomenon's underlying mechanisms and elucidating the effects of the different geometrical parameters of the roughness' cross section. LÄS MER