Annual-Cycle Thermal Energy Storage for a Community Solar System: Details of a Sensitivity Analysis

    Research output: NRELTechnical Report

    Abstract

    This report presents results and conclusions of a simulation and sensitivity analysis of community-sized, annual-cycle thermal-energy-storage (ACTES) solar energy systems. The analysis, which is based on an hourly simulation is used to (1) size systems in 10 locations, (2) identify critical design parameters, and (3) provide a basic conceptual approach for future studies and designs. Thisresearch is a forerunner to an economic analysis of this particular system (based on large constructed tanks) and a general analysis of the value of ACTES technologies for solar applications. A total of 440 systems were sized for 10 locations in the United States. Three different building types and four different community sizes were modeled. All designs used each of two collector types at eachof two different tilt angles.
    Original languageAmerican English
    Number of pages83
    DOIs
    StatePublished - 1980

    NREL Publication Number

    • NREL/TR-721-575

    Keywords

    • annual energy storage
    • comparative evaluations
    • design
    • EE
    • EE
    • efficiency
    • energy efficiency
    • energy storage
    • feasibility studies
    • load management
    • seasonal variation
    • simulation
    • solar
    • solar energy
    • thermal efficiency

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