Sökning: "Energisystem"

Visar resultat 16 - 20 av 1110 uppsatser innehållade ordet Energisystem.

1. 16. The Operational Strategy Optimization of Distributed Energy System Based on MATLAB : A case study in Northeast China

   Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

   Författare :Yujun Han; [2023]
   Nyckelord :Distributed Energy System; CCHP; operational strategy; Distribuerat energisystem; CCHP; operativ strategi;

   Sammanfattning : China is the largest energy consumer worldwide, with a fast-growing rate. But the energy and environmental problems brought by its unbalanced energy structure and low energy efficiency restrict the sustainable development of China. The Distributed Energy System (DES) is one of the internationally recognized solutions to the problems. LÄS MER

3. 17. Energy efficiency of smelting of scrap aluminium in HPDC facilities : Available and upcoming technologies

   Master-uppsats, Linköpings universitet/Energisystem

   Författare :Bogdan Radu Racsi; [2023]
   Nyckelord :high pressure die casting; HPDC; energy efficiency; cast house remelting; internal aluminium scrap; melting furnace; melting and holding furnace; drivers; barriers;

   Sammanfattning : The aluminium industry is anticipated to witness a surge in demand, with projectionsof a two to three-fold increase by 2050. Meeting environmental objectives andaddressing the growing emphasis on sustainability from both the industry andconsumers seeking eco-friendly products present significant challenges. LÄS MER

4. 18. Dynamic Power Systems Modeling: Power Plant Types, Demand, and Environmental Impacts

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

   Författare :Alexandra Papadopoulos; Linn Ekman; [2023]
   Nyckelord :;

   Sammanfattning : It is increasingly important to understand the dynamics of power systems. Most notably, thetransition towards renewable energy sources will radically change the way our power systemworks. A better understanding of the system dynamics is crucial to smoothly transitiontoward a sustainable system without undesirable side effects. LÄS MER

5. 19. Varför har någon ställt en soffa här? : Hur hållbar avfallshantering kan främjas i mångfaldsområden

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

   Författare :Simon Persson; [2023]
   Nyckelord :Bulky waste; waste management; behavioral cost; diversity; behavioral theory; Grovavfall; avfallshantering; beteendekostnad; mångfald; beteendeteori;

   Sammanfattning : Det kommunala fastighetsbolaget Gavlegårdarna har problem med att hyresgäster lämnar grovavfall i förrådsutrymmen, korridorer och andra allmänna utrymmen. Fastighetsägare ansvarar för att hyresgästerna har möjlighet att sortera ut det avfallsom kommunen ställer krav på, medan hyresgästerna kan hänvisas till återvinningscentralen för att lämna sitt grovavfall. LÄS MER

7. 20. Ventilation for reduced indoor spread of Covid 19 and similar diseases : A literature review focusing on hospital environments

   Master-uppsats, Högskolan i Gävle/Energisystem och byggnadsteknik

   Författare :Cyrus Ourak Pour; [2023]
   Nyckelord :COVID-19; SARS-CoV-2; Ventilation system; Mixing ventilation MV ; Displacement ventilation DV ; Under floor air distribution UFAD ; Ultraviolet light UV ; HEPA filter; COVID-19; SARS-CoV-2; Ventilationssystem; Blandningsventilation; Deplacementventilation; Luftfördelning under golv; Ultraviolett ljus; HEPA-filter;

   Sammanfattning : Today, a significant portion of individuals’ time is spent indoors, estimated at approximately 90% of their total time. This raises concerns about the transmission of Coronavirus Disease 2019 (COVID-19) instigating Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and similar viruses and highlights the critical role of ventilation systems in indoor environments, which this study aims to investigate. LÄS MER