Abstract
The systematic error is examined for a conditionally true approach involving the values of the temperature and pressure of the heating medium in the outgoing and return pipelines of a closed heat supply system. It is shown that there is a substantial effect from this systematic error on measurements of the thermal energy, particularly for small temperature differences between the outgoing and return pipelines.
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MI 2412-97, The State System of Measurements: Water-Based Heat-Supply Systems: Equations for Measuring the Heat Energy and Amount of Heating Medium [in Russian].
V. A. Medvedev, Izmer. Tekh., No. 11, 69 (2004); Measurement Techniques, 47, No. 11, 1132 (2004).
GOST R 8.591-2002, The State System of Measurements: Two-Channel Heat Meters for Water-Based Heat Supply Systems: Standardizing the Limits to the Permissible Error in Measurements of Heat Energy Used by Subscribers [in Russian].
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Translated from Izmeritel’naya Tekhnika, No. 5, pp. 61–63, May, 2008.
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Zakharov, V.A., Klevakin, E.A. Estimating the systematic error of a conditionally true approach in heat energy measurements on water-based heat supply systems. Meas Tech 51, 555–558 (2008). https://doi.org/10.1007/s11018-008-9077-2
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DOI: https://doi.org/10.1007/s11018-008-9077-2