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Chatzipoulka, C and Nikolopoulou, M (2018) Urban geometry, SVF and insolation of open spaces: London and Paris. Building Research & Information, 46(08), 881–98.

  • Type: Journal Article
  • Keywords: density; microclimates; Sky View Factor (SVF); solar absorption; urban design; urban fabric; urban form; urban geometry; urban heat island;
  • ISBN/ISSN: 0961-3218
  • URL: https://doi.org/10.1080/09613218.2018.1463015
  • Abstract:
    The radiant environment in open spaces is very sensitive to the surrounding built form, which determines their openness to the sky and exposure to the sun. This paper presents the analysis of 132 urban forms in London and Paris, two cities at similar geographical latitude, but of different urban geometry, focusing on the relationship between urban geometry and insolation of open spaces at neighbourhood scale. The method consists of three stages: (1) the geometric analysis of the urban forms, (2) their solar access analysis and (3) the statistical exploration of the results. Special emphasis is on the sky view factor (SVF), which is employed as an integrated geometry variable and environmental performance indicator. The comparative analysis of the two cities underlines the significance of urban layout for modifying the outdoor radiant environment, and reveals temporal characteristics of the relation between urban geometry and insolation of urban forms, induced by the varying solar geometry. Indicatively, the average mean ground SVF (mSVF) was found to be primarily affected by the quantitative characteristics of the open space, and able to predict average daytime insolation on March 21 and June 21 (R2 > 0.8), in both cities.

Futcher, J, Mills, G and Emmanuel, R (2018) Interdependent energy relationships between buildings at the street scale. Building Research & Information, 46(08), 829–44.

Godoy-Shimizu, D, Steadman, P, Hamilton, I, Donn, M, Evans, S, Moreno, G and Shayesteh, H (2018) Energy use and height in office buildings. Building Research & Information, 46(08), 845–63.

Leo, L S, Buccolieri, R and Di Sabatino, S (2018) Scale-adaptive morphometric analysis for urban air quality and ventilation applications. Building Research & Information, 46(08), 931–51.

Palme, M, Inostroza, L and Salvati, A (2018) Technomass and cooling demand in South America: a superlinear relationship?. Building Research & Information, 46(08), 864–80.

Short, C A, Song, J, Mottet, L, Chen, S, Wu, J and Ge, J (2018) Challenges in the low-carbon adaptation of China’s apartment towers. Building Research & Information, 46(08), 899–930.

Song, J, Fan, S, Lin, W, Mottet, L, Woodward, H, Davies Wykes, M, Arcucci, R, Xiao, D, Debay, J, ApSimon, H, Aristodemou, E, Birch, D, Carpentieri, M, Fang, F, Herzog, M, Hunt, G R, Jones, R L, Pain, C, Pavlidis, D, Robins, A G, Short, C A and Linden, P F (2018) Natural ventilation in cities: the implications of fluid mechanics. Building Research & Information, 46(08), 809–28.