Sökning: "tvåfasflöde"

Hittade 5 uppsatser innehållade ordet tvåfasflöde.

  1. 1. A Numerical Analysis on the Effects of Using CO2 as a Driving Fluid for a Geothermal Plant

    Uppsats för yrkesexamina på grundnivå, Uppsala universitet/Luft-, vatten- och landskapslära

    Författare :David Bennich; [2020]
    Nyckelord :reinjection; two-phase flow; geothermal energy; CO2 sequestration; iTOUGH2; ECO2N; återinjektion; tvåfasflöde; geotermisk energi; koldioxidlagring; iTOUGH2; ECO2N;

    Sammanfattning : To limit the effect of global warming society needs clean energy sources and to reduce emissions of greenhouse gases into the atmosphere. By combining carbon capture and storage technologies together with geothermal power production it is possible to gain fossil free energy while potentially storing CO2 at the same time. LÄS MER

  2. 2. Development and application of a multidomaindynamic model for direct steamgeneration solar power plant

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

    Författare :Anthony Rousset; [2017]
    Nyckelord :Concentrated Solar Power CSP ; Direct Steam Generation DSG ; dynamic modelling; co-simulation; thermal-hydraulic calculation; two-phase flow; Ledinegg instabilities; control-command; regulation; PID controller.; Koncentrerad solenergi CSP ; Direkt ånggenerering DSG ; dynamisk modellering; co-simulering; termisk hydraulisk beräkning; tvåfasflöde; Ledinegg instabiliteter; kontrollkommando; reglering; PID-kontroller..;

    Sammanfattning : Nowadays, one of the solutions considered in order to face the issue of global warming and to move towards a carbon neutral society relies on the use of solar energy as a renewable and bountiful primary source. And, if photovoltaic technologies account for a large part in the solar energy market, recent years have witnessed the growth of non-concentrated and concentrated solar thermal technologies. LÄS MER

  3. 3. Influence of gas sparging on membrane performance

    Master-uppsats, Lunds universitet/Kemiteknik (CI)

    Författare :Sandra Farran-Lee; [2015]
    Nyckelord :chemical engineering; kemiteknik; Technology and Engineering;

    Sammanfattning : A new oxygen barrier film that is made of arabinoxylan has been developed by the company Xylophane. Arabinoxylan is available among other things in wheat bran. But a problem with the method of extracting the arabinoxylan is that after an alkali extraction is ultrafiltration used to remove impurities and the flux during this is quite low. LÄS MER

  4. 4. Riktlinjer för modellering av reaktorkylpumpar i TRACE

    Uppsats för yrkesexamina på avancerad nivå, Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Författare :Mikael Sjulgård; [2014]
    Nyckelord :;

    Sammanfattning : Examensarbetet är utfört vid Ringhals AB och riktar in sig på reaktorkylpumparna på reaktor tre vid Ringhals kärnkraftverk (R3). R3an är en tryckvattenreaktor och reaktorkylpumparna är vertikala enstegs centrifugalpumpar som tillverkats av Westinghouse. LÄS MER

  5. 5. Experimental Investigation of two-phase flow in microchannels. Co-current Absorption of Ammonia in Water to Design an Innovative Bubble Plate Absorber

    Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

    Författare :Ali Ammari; [2012]
    Nyckelord :;

    Sammanfattning : For ammonia-water absorption refrigeration technology it is suggested to use bubble type absorbers because the higher contact surface area provides a higher mass transfer rate. Furthermore, dispersion of bubbles in the bulk of liquid phase also exhibits better heat transfer characteristics that facilitate the recovery of dissipated heat of the exothermic absorption. LÄS MER