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Radiance based procedures to evaluate solar access

  • Procedure 1:

    • 1. Classification of the sun and sky types and positions by analisys of the weather data
    • 2. Rendering of several normalised irradiation maps according to the classification
    • 3. Composition of all the timestep irradiation maps by multiplying the normalized maps by the magnitude of the radiant output of the source configuration
    • 4. Composition of the final irradiation map as a sum of all the timesteps

  • proposed by J. Mardaljevic et al.:

  • - Mardaljevic, J. and Rylatt, M. - An Image-based Analysis of Solar Radiation for Urban Settings

  • - Mardaljevic, J. - A New Image-based Technique to Predict Solar Penetration in Buildings

  • http://www.iesd.dmu.ac.uk/~jm

  • Procedure 2:

    • 1. Hourly sky models generated by gendaylit using climatic data
    • 2. Averaging process to obtain «average sky models» for different applications (PV, heating, daylighting)
    • 3. Radiance simulation to obtain irradiance and/or illumination maps

  • proposed by R. Compagnon et al.:

  • - Scartezzini J.L., Montavon M., Compagnon R. - Computer Evaluation of the Solar Energy Potential in an Urban Environment - EuroSun 2002 - Bologna, Italy

  • - Compagnon R., PRECIS: Assessing the potential for Renewable Energies in Cities - Technical Report, EIAF, Fribourg (2001)

  • http://www.radiance-online.org/workshop/Compagnon

    • by AMcneil — last modified Feb 29, 2016 12:26 PM