Essays about: "pressure losses"

Showing result 26 - 30 of 124 essays containing the words pressure losses.

  1. 26. Gallring av skadade tallbestånd : skadornas inverka samt gallringens möjlighet att minska skadenivån

    University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)

    Author : Adam Pettersson; [2021]
    Keywords : älgbetesskador; skademinimering; timmerkvalitet; beståndsinventering;

    Abstract : Älgskador på tall orsakar ekonomiska problem i skogsbruket som tillväxtförluster och kvalitetsnedsättning på såväl rundvirke som sågad vara. Hur stor påverkan de kvalitetsnedsättande skadorna har för timret är dock inte klarlagt. READ MORE

  3. 27. Evaluating drought impacts on ecosystem water use efficiency of three different boreal forest sites

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Tim Schacherl; [2021]
    Keywords : flux data; carbon uptake; water deficit; Sweden; drought resistance; nitrogen; Eddy covariance;

    Abstract : European boreal forests are the biomes most affected by climate change. For example, extreme weather events such as droughts are expected to become more frequent and severe. Especially in the summer months, droughts can drastically impact the carbon and water exchanges of boreal forests. READ MORE

  4. 28. An Initial Analysis of Slurry Transportation in Subarctic Environment

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

    Author : Wilhelm Friberg; [2021]
    Keywords : Slurry Transport;

    Abstract : In today’s economy, it is important to have a sustainable business model where as little as possible goes to waste or finding solutions to create something useful out of by-products. Therefore, LKAB are looking to make a large investment into creating an infrastructure of several plants to turn tailings from the production of iron ore into usable products for several industries which LKAB has designated project ReeMAP (Rear Earth Elements and MonoAmmonium Phosphate). READ MORE

  5. 29. Active Control of High­-Speed Flexible Rotors on Controllable Tilting­-Pad Journal Bearings : Theory and Experiment

    University essay from Blekinge Tekniska Högskola/Institutionen för maskinteknik

    Author : Paul-Henrik Bull; [2021]
    Keywords : ATPJB; Fluid-Film Lubrication; Model based control; Vibration Control;

    Abstract : A common choice of bearing for industrial applications such as turbomachinery and rotating compressors is the Tilting-Pad Journal Bearing (TPJB) due to its excellent stability properties. TPJB's are however limited by the reduction of damping in the fluid film at high velocities. READ MORE

  6. 30. ORC systems for small scale energy production : Improving the prediction of electricity production of ORC turbines under varying loads

    University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

    Author : Kristina Pettersson; [2021]
    Keywords : ;

    Abstract : In order to have a sustainable, resource-efficient energy system and no net emissions of greenhouse gases by 2050, energy efficiency is one important aspect to reach this goal and develop a long-term sustainable energy system. As part of a solution to increase energy efficiency in society, Organic Rankine Cycle (ORC) systems can have a far reaching effect by utilizing low-grade heat to produce electricity. READ MORE