Energy Signatures: A Proposed New Design Tool

    Research output: NRELTechnical Report


    Energy Signatures is a proposed new technique for aiding a designer in selecting and sizing passive solar elements on a building. Hourly heat flux profiles for each candidate design element are determined. These profiles are then matched to the hourly energy requirement of the space accounting for weather conditions, internal heat profiles of the space, and the mass characteristics of thebuilding. Simulation analysis techniques are used to determine the Energy Signatures, the load profiles, and check the final result. Least-squares techniques are used to determine the optimum mix of strategies. Examples are given to illustrate development of the method up to the present. Future directions and possibilities are outlined.
    Original languageAmerican English
    Number of pages8
    StatePublished - 1986

    NREL Publication Number

    • NREL/TP-250-2928


    • building technologies
    • heat flux
    • hourly profile
    • modeling


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