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Solar Access Assessment in Dense Urban Environments: The Effect of Intersections in an Urban Canyon

Author

Listed:
  • Elena Garcia-Nevado

    (Architecture & Energy, School of Architecture of Barcelona, UPC, Av. Diagonal, 649, 7th floor, 08028 Barcelona, Spain)

  • Anna Pages-Ramon

    (Architecture & Energy, School of Architecture of Barcelona, UPC, Av. Diagonal, 649, 7th floor, 08028 Barcelona, Spain)

  • Helena Coch

    (Architecture & Energy, School of Architecture of Barcelona, UPC, Av. Diagonal, 649, 7th floor, 08028 Barcelona, Spain)

Abstract

The urban canyon model has been recurrently used as a basis for many solar access studies. However, its conception as endless structures disregards the effect of street intersections, despite being characteristic elements of urban fabrics. This paper aims to evaluate the impact of street discontinuities on solar access over building façades. The potential of crossings to increase the available radiation has been assessed through computer simulations in dense urban environments in a Mediterranean location. For the cases studied, results show that local effects of an intersection almost disappear beyond a specific distance for each aspect ratio, which can be helpful to determine the suitable level of detail for solar analyses at an urban fabric scale.

Suggested Citation

  • Elena Garcia-Nevado & Anna Pages-Ramon & Helena Coch, 2016. "Solar Access Assessment in Dense Urban Environments: The Effect of Intersections in an Urban Canyon," Energies, MDPI, vol. 9(10), pages 1-12, October.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:10:p:796-:d:79865
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    References listed on IDEAS

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    1. Carlos Rubio-Bellido & Jesús A. Pulido-Arcas & Benito Sánchez-Montañés, 2015. "A Simplified Simulation Model for Predicting Radiative Transfer in Long Street Canyons under High Solar Radiation Conditions," Energies, MDPI, vol. 8(12), pages 1-19, December.
    2. Littlefair, Paul, 1998. "Passive solar urban design : ensuring the penetration of solar energy into the city," Renewable and Sustainable Energy Reviews, Elsevier, vol. 2(3), pages 303-326, September.
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    Cited by:

    1. Mohajeri, N. & Gudmundsson, A. & Kunckler, T. & Upadhyay, G. & Assouline, D. & Kämpf, J.H & Scartezzini, J.L., 2019. "A solar-based sustainable urban design: The effects of city-scale street-canyon geometry on solar access in Geneva, Switzerland," Applied Energy, Elsevier, vol. 240(C), pages 173-190.
    2. Juan Rojas-Fernández & Carmen Galán-Marín & Jorge Roa-Fernández & Carlos Rivera-Gómez, 2017. "Correlations between GIS-Based Urban Building Densification Analysis and Climate Guidelines for Mediterranean Courtyards," Sustainability, MDPI, vol. 9(12), pages 1-26, December.

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