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Institute "Kemal Kapetanović" Zenica, University of Zenica , Zenica , Bosnia and Herzegovina
Institute "Kemal Kapetanović" Zenica, University of Zenica , Zenica , Bosnia and Herzegovina
Institute "Kemal Kapetanović" Zenica, University of Zenica , Zenica , Bosnia and Herzegovina
Long-term exposure of superheater and steam intermediate superheater pipe materials to high
temperatures in the operating conditions that prevail in thermal power plants leads to the
appearance of the oxide layer.Oxide layer forms on the inner wall of the pipe, which acts as a heat
insulator and reduces heat transfer through the pipe wall.The action of the oxide layer as an
insulator and limiting the transfer of heat to water vapor inside the pipe leads to overheating of the
pipe wall.This paper presents the measurement of the thickness of the oxide layer on the outer and
inner side of the pipeusing the standard method BAS EN ISO 1463:2022 with a presentation of the
measurement results with pronounced measurement uncertainty.
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