Sökning: "Bubble curtains"

Hittade 3 uppsatser innehållade orden Bubble curtains.

  1. 1. Experimentell parameterstudie av bubbelridåer i syfte att avleda fisk

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Institutionen för fysik och astronomi

    Författare :Gustav Wendin; [2019]
    Nyckelord :Bubble curtains; bubble screens; fish-diversion; Bubbelridåer; fiskavledning; miljöanpassning av vattenkraft;

    Sammanfattning : Bubble curtains offer a potential solution for hindering downstream migrating fish from passing through the turbines of hydropower plants, by instead guiding them to a safe passage. Compared to the conventional method of using low-inclined bar racks close to the turbine intake, bubble curtains are considerably cheaper, especially for large scale hydropower plants. LÄS MER

  2. 2. Bubble curtains with vertical tubes : A way to deter fish from hydro power intakes

    Master-uppsats, Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Författare :Gustav Molin; [2019]
    Nyckelord :Bubble curtain hydro power intakes fish salmon eel barrier screen deter; vattenkraft bubbelridå ridå bubblor lax ål fisk;

    Sammanfattning : This project was performed on assigment of Vattenfall R&D in Älvkarleby. The project was a first step in evaluating whether bubble curtains with vertical tubes could be suitable for diverting fish from hydro power intakes into fish passages. LÄS MER

  3. 3. Energy Audit of Mauritian Industries

    Master-uppsats, KTH/Kraft- och värmeteknologi

    Författare :chandrasekar bootun; [2014]
    Nyckelord :;

    Sammanfattning : Abstract Three companies namely Esko & Co Ltd, Cuttings Work Ltd and The Message Ltd were targeted for the purpose of this project study. The first one is Esko & Co Ltd. The company has diversified its production activities to produce sweets, bubble gums, chocolates, wafers and noodles both for the local market and export purposes. LÄS MER