Sökning: "Street canyons"

Visar resultat 1 - 5 av 9 uppsatser innehållade orden Street canyons.

  1. 1. Implementing spatial variance in the rate of photolytic breakdown of NO2 in urban street canyons

    Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

    Författare :Fabian Friberg; [2022]
    Nyckelord :cfd; computational fluid dynamics; NOx; street canyon; NO2; NO; O3; photolysis; OpenFOAM; Physics and Astronomy;

    Sammanfattning : In this study a module for calculating the solar exposure of individual fluid cells was developed to more accurately represent the effect of photolysis on the pollutant dispersion in an urban street canyon. The module was tested and validated on 12 different cases, each with a different geographical location, time of year and/or time of day. LÄS MER

  3. 2. Daylighting and sunlighting in street canyons. A quantitative research on the visual perception and in-situ daylight measurements of four urban canyons in Copenhagen.

    Master-uppsats, Lunds universitet/Institutionen för arkitektur och byggd miljö; Lunds universitet/Avdelningen för Energi och byggnadsdesign

    Författare :Olesja Lami; [2019]
    Nyckelord :daylighting; sunlighting; urban canyon; visual perception; visual comfort; Technology and Engineering;

    Sammanfattning : “Light creates ambience and the feel of a place, as well as the expression of a structure.” Le Corbusier With the current urban pressure and large waves of immigration, cities are facing an increase in population and therefore urban densification. This increase in building quantities affects daylight reaching the public space. LÄS MER

  4. 3. Wind Unwind

    Master-uppsats, Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Maëlle Ducreux; [2017]
    Nyckelord :wind; microclimate; design; energy; waterfront; turbines; sustainable; Arts and Architecture;

    Sammanfattning : Wind turbines are most commonly located in remote areas to harness strong and constant winds, however, with the current growing rate of urbanisation, producing clean energy within the city closer to consumers is becoming crucial. Research has shown that the urban morphology has a strong capacity to influence air flow and ‘street canyons’ have the potential to channel the wind towards turbines in the urban scale. LÄS MER

  5. 4. Wireless wave propagation in city street canyons

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Andrés Felipe Garcia Albarracin; [2017]
    Nyckelord :Channel modeling; Channel sounding; Local scattering function; Ray tracing.; Technology and Engineering;

    Sammanfattning : This project aims to determine the characteristics of a wireless communication channel in city-street-canyon scenarios. The channel of a typical city intersection is modeled with a ray tracer and measured with a channel sounder. Then, the results of both tools are compared in terms of the local scattering function. LÄS MER

  7. 5. Vegetationens inverkan på det urbana klimatet : en studie om trädens effekt på en gatukanjonen i Malmö

    Master-uppsats, SLU/Dept. of People and Society

    Författare :Linnea Saarela; [2016]
    Nyckelord :urbant lokalklimat; värmeö; klimatanpassning; mikroklimat; albedo; urban grönstruktur; evapotranspiration; termisk komfort;

    Sammanfattning : Fysisk planering i Sverige har sedan länge inneburit att anpassa våra städer för ett kallt klimat. De pågående klimatförändringarna kommer dock kräva att den fysiska planeringen även omfattas av en anpassning för ett varmt sommarhalvårsklimat, där förekomsten av extrema väderhändelser kan komma att öka. LÄS MER