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    Development of a Large Area Heat Flow Meter

    Published: 01 January 1985

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    A large area heat flow meter (HFM) is required to measure heat flow from whole area of building walls. Therefore, the cost of the HFM must be as low as possible.

    Under such background we developed a large area HFM by means of photoetching and electroplating techniques. The new large area HFM can be also used as a small area HFM by cutting it into small units. Further, we developed a new calibration method which enabled us to calibrate HFM, by both absolute and relative methods at the same time with a single apparatus due to capability of cross checking. The difference of the calibrated values by both methods was not greater than ±1%. For practical use of a large area HFM, calibration of several HFMs must be carried out at the same time; we also described the method in this paper.


    heat flow meter, calibration, insulating materials

    Author Information:

    Miyake, Y
    Products and technical director, EKO Instruments Trading Co., Ltd., Tokyo,

    Eguchi, K
    Principal research director, Building Research Institute, Ministry of Construction, Ibaragi-Pref.,

    Committee/Subcommittee: C16.30

    DOI: 10.1520/STP32907S