Essays about: "water environment"

Showing result 1 - 5 of 356 essays containing the words water environment.

  1. 1. Investigating Urea Vaporization in a Controlled Environment Using Infrared Thermography

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Henrik Grimler; [2015]
    Keywords : AdBlue; Infrared; Film; Evaporation; Deposits;

    Abstract : As the emission legislation becomes more stringent, higher demands are put on the aftertreatment system in trucks. For dealing with nitrous oxides, AdBlue® (urea–water solution) is injected into the exhausts which evaporates and reduces nitrous oxides to nitrogen. READ MORE

  2. 2. Using Geographic Information Systems (GIS) to Analyze Possible Relations between School Choice and Segregation

    University essay from KTH/Geoinformatik

    Author : Carine Hals; [2015]
    Keywords : GIS; school choice; segregation; social index; socioeconomic background;

    Abstract : In 1992, the Swedish education system was reformed and by that, school choice was introduced. The intention of the reform was that competition between schools would improve the level of education; however, the results among Swedish pupils have deteriorated and the differences between schools have increased since the introduction. READ MORE

  3. 3. Isothermal Oxidation Study of Gd2Zr2O7/YSZ Multi-Layered Thermal Barrier Coatings

    University essay from Högskolan Väst/Avd för tillverkningsprocesser

    Author : Ran Li; [2015]
    Keywords : Multi-layered thermal barrier coating; isothermal oxidation; suspension plasma spray;

    Abstract : Conventional yttria stabilized zirconia (YSZ) are widely used in the gas turbine to protect the substrate material from high temperature. But the common YSZ top coatings have limitations at higher temperature (above 1200℃) due to significant phase transformation and intensified sintering effect. READ MORE

  4. 4. Integrated Energy Recovery Scenarios of Biomass Residues in the Non-interconnected Island of Crete : A Pre-Feasibility Study in Greece

    University essay from KTH/Industriell ekologi

    Author : Tryfon Papalexandrou; [2015]
    Keywords : Biomass residues; biomass waste; renewable energy; power generation technologies; sustainable development; off-grid; multi-criteria analysis.;

    Abstract : The cornerstone of our production system is based on the concept “take, make, waste”. Moreover, the manufacture of a product requires the input of energy and raw materials which produce waste and products. The latter ultimately end up becoming wastes. READ MORE

  5. 5. Land Use Impact Assessment on the Nutrient Transport in the lake Mälaren.

    University essay from KTH/Mark- och vattenteknik

    Author : Xavier Mir Rigau; [2015]
    Keywords : landuse evolution; urbanization; water discharge; nitrogen; phosphorus; Mälaren;

    Abstract : Stockholm and its surroundings are facing strong urban changes and it is forecasted that the increase of population will be the principal driver for the urban regions surrounding the lake Mälaren in the next decades. A thorough regional and urban planning is needed in order to build a sustainable society and protect the environment. READ MORE