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    Engineering Application of Heat Flux Sensors in Buildings—The Sensor and Its Behavior

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    The factors affecting the measurement accuracy of (perfectly calibrated) heat flux sensors in buildings are discussed. A preliminary attempt is made to quantify this measurement error using dimensionless parameters. This attempt indicates that the method offers some promise and that some previously little-discussed items, such as the absolute size of the sensor, may have a great effect on the accuracy. An additional heat flux sensor is described, and a simple calibration method using a heater foil is outlined.


    surface heat transmission, heat flux metering, buildings, sensor accuracy, sensor calibration, heat flux transducers

    Author Information:

    Trethowen, HA
    Head, Building Research Association of New Zealand, Porirua,

    Committee/Subcommittee: C16.30

    DOI: 10.1520/STP32925S