Sökning: "Hydrogen diffusion"

Visar resultat 1 - 5 av 32 uppsatser innehållade orden Hydrogen diffusion.

  1. 1. Numerical modeling of airflow on the cathode-side of a bipolar flow plate : How the formed geometry affects the pressure drop and flow distribution in a hydrogen fuel cell

    Master-uppsats, Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Författare :Olivia Johansson; [2023]
    Nyckelord :Performance; Cross-sectional geometry; Computational fluid dynamics;

    Sammanfattning : Climate change and rising temperatures is a well-known problem. To tackle global warming a transition from fossil fuels to renewable and reliable energy sources is necessary. Hydrogen, in fuel cells, is proposed to replace diesel and gasoline in the transport sector. LÄS MER

  3. 2. Forecasting Technological Diffusion through Analogies: Examining Historical Technologies to Assess the Future Growth of Green Hydrogen Electrolysis and Pipeline Network as Climate Mitigation Technologies

    Master-uppsats, Lunds universitet/Internationella miljöinstitutet

    Författare :Renz Homer Cerillo; [2023]
    Nyckelord :Technology diffusion; green hydrogen; electrolyze; pipeline; feasibility spaces; reference case forecasting; Earth and Environmental Sciences;

    Sammanfattning : Green hydrogen is an advantageous clean energy carrier that enables the decarbonization of hard-to-abate sectors and addresses the intermittency of renewables. However, its global production is currently constrained by inadequate infrastructure, high investment risks, and relatively technological infancy. LÄS MER

  4. 3. Tool to assess the cost of hydrogen considering its supply chain : A case study of Germany, France and Spain until 2030

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

    Författare :Afonso Canha; Pietro Dogliani; [2023]
    Nyckelord :Hydrogen; Hydrogen supply chain; LCOH; Hydrogen production; Hydrogen storage; Hydrogen transportation; Vätgas; Vätgas försörjningskedjan; LCOH; Vätgasproduktion; Vätgaslagring; Vätgastransport;

    Sammanfattning : Hydrogen is envisioned to become a fundamental energy vector within the decarbonization of the energy systems. Despite already being employed in several industries, its production comes almost completely from processes based on fossil fuels. LÄS MER

  5. 4. Navigating the unknown – the only certainty is that there will be uncertainties A single case study of a green hydrogen project in Sweden

    Master-uppsats, Göteborgs universitet/Graduate School

    Författare :Lisa Halldin; Eric Larsson; [2022-08-05]
    Nyckelord :green hydrogen; project management; project uncertainty; stakeholder involvement; diffusion of technology; diffusion of renewable energy technology;

    Sammanfattning : Green hydrogen technology can decarbonise energy-intensive industries and contribute to sustainable development globally. The technology itself is so novel that there are currently no large-scale production facilities. The objective of this thesis is therefore to investigate a practical case of a green hydrogen facility project in Alby, Sweden. LÄS MER

  7. 5. Influence of hydrogen and carbides on high temperature cracking in cast Inconel

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Tillämpad mekanik

    Författare :Gunnar Dufwa; [2022]
    Nyckelord :Hydrogen embrittlement; carbide; finite element method; dislocation dynamics;

    Sammanfattning : Hydrogen embrittlement is a well-known source of cracking in metallic mechanical elements. This work studies the influence of hydrogen and carbides on the crack formation in a castnickel-alloy-component in a selective catalytic reduction system. LÄS MER