Essays about: "Turbulent flow in pipes"

Found 5 essays containing the words Turbulent flow in pipes.

  1. 1. Pipe Surface Roughness at Microscale and Discussion of Possible Relation to Flow Properties

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Yiting Qiao; Mahsa Kajbaf Nezhad; [2021]
    Keywords : pipe flow; roughness; microscale; SEM; Technology and Engineering;

    Abstract : Despite decades of intense research, the behavior of water molecule still warrants new research.Water flow through various pipe systems has become a pivotal corner stone of functioning human infrastructure. READ MORE

  3. 2. Experimental Study to Reduce CO Emissions in Skellefteå Kraft's 16 MW Bubbling Fluidized Bed Boiler

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : William Johansson; [2019]
    Keywords : ;

    Abstract : Skellefteå Kraft has had high CO emissions problems in a bubbling fluidized bed (BFB) boiler in Malå.Statistical emissions data from 2013 to 2019 shows plant average emissions of 1230 ppm. Thisexceeds the recommended 440 ppm (6 % O2) that Naturvårdsverket proposes (Naturvårdsverket,2005). READ MORE

  4. 3. On the swirl-switching in developing bent pipe flow with direct numerical simulation

    University essay from KTH/Numerisk analys, NA

    Author : Lorenz Hufnagel; [2016]
    Keywords : ;

    Abstract : This work deals with the computational setup, simulation and analysis of turbulent flow through developing bent pipes. Specifically the effect of swirl-switching for the Dean vortices is analysed. A synthetic turbulent inflow condition is implemented and validated. READ MORE

  5. 4. Secondary Fluids Impact on Ice Rink Refrigeration System Performance

    University essay from KTH/Tillämpad termodynamik och kylteknik

    Author : Willem Mazzotti; [2013]
    Keywords : Ice rink; secondary fluid; refrigeration system; thermo-physical properties; heat transfer; pressure drop; model;

    Abstract : Sweden has 350 ice rinks in operation which annually use approximately 1000 MWh each. Therefrigeration system usually accounts for about 43 % of the total energy consumption which is the largestshare of the major energy systems. READ MORE

  6. 5. Distribution of Cooling to Avionics

    University essay from Reglerteknik; Tekniska högskolan

    Author : Ola Tybrandt; [2012]
    Keywords : Cooling; Turbulent flow in pipes; Heat exchanger; Control valve; Simulation; Automatic Control;

    Abstract : In modern aircraft, one of the most difficult issues has been how to provide avionics with adequate cooling. Future versions of the fighter aircraft JAS 39 Gripen is equipped with new applications that have increased heat loads. READ MORE