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Densification and urban environment of the city of Porto Alegre

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Mascarò L., Federal University of Rio Grande do Sul D. o. A.

Acta Universitatis Lodziensis. Folia Geographica Physica

1999

vol. 3

This paper studies the natural insolation, illumination and ventilation conditions of urban precincts in Porto Alegre. Analysis of the insolation conditions of the urban precincts was done through computer simulations for different types of streets and conditions of winter and summer. The daylight illumination of the urban precincts was studied through the field research done throughout a year: dry and green squares, narrow and wide streets with the axis oriented N-S and E-W of homogeneous and heterogeneous profiles. Spaces between the buildings (nooks), crossings and open spaces were measured throughout the four seasons of the year. The natural ventilation was researched in the aerodynamic tunnel, simulating the action of the winds on the three morphologically different blocks. Finally, the results obtained in each of the partial studies done were compared, and recommendations of normative character were drawn up.

W pracy zbadano warunki naturalnego nasłonecznienia, oświetlenia i przewietrzania w Porto Alegre. Analizy warunków nasłonecznienia dokonano za pomocą symulacji komputerowej dla różnych typów ulic w warunkach zimowych i letnich. Oświetlenie światłem dziennym analizowano na podstawie badań prowadzonych w ciągu całego roku: suchych i zazielenionych placów, wąskich i szerokich ulic o orientacji N-S i E-W, jednorodnego i różnorodnego profilu. Naturalne przewietrzanie badano w tunelu aerodynamicznym, symulując działanie wiatru na trzy morfologicznie odmienne bloki urbanistyczne. Wyniki uzyskane w każdym z cząstkowych badań porównano i sformułowano zalecenia o charakterze normatywnym.

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1 Acta Universitatis Lodziensis. Folia Geographica Physica

1 1999

1 Federal University of Rio Grande do Sul D. o. A.

1 Mascarò L.

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Densification and urban environment of the city of Porto Alegre