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  • VDI/VDE 2640 Blatt 4:1983-10

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Measurement of mean temperature in fluid flow

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  14-04-2022

    Language(s):  German

    Published date:  01-10-1983

    Publisher:  Verlag des Vereins Deutscher Ingenieure

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    Table of Contents - (Show below) - (Hide below)

    Vorbemerkung
    1 Allgemeines
      1.1 Gegenstand der Richtlinie
      1.2 Begriffe, Zeichen, Einheiten
      1.3 Geltungsbereich
      1.4 Problemstellung
    2 Messverfahren und Auswertung
      2.1 Voraussetzung für Temperaturnetzmessungen
      2.2 Verteilung im Messquerschnitt
      2.3 Messpunktanordnung
      2.4 Bestimmung der mittleren Temperatur
    3 Messgeräte
      3.1 Allgemeines
      3.2 Empfohlene Messgeräte
      3.3 Prüfung der Messgeräte
      3.4 Einbau der Messgeräte
      3.5 Messunsicherheiten
    4 Durchführen der Messung
      4.1 Vorgehen vor der Messung
      4.2 Vorgehen während der Messung
      4.3 Vorgehen nach der Messung
    5 Messunsicherheit
      5.1 Allgemeines
      5.2 Messunsicherheit der Messeinrichtung
      5.3 Messunsicherheit durch Temperaturverteilung
      5.4 Messunsicherheit durch Geschwindigkeitsverteilung
      5.5 Beispiel
    6 Ausführungsbeispiele
      6.1 Messung in der Strömung
      6.2 Messung mit Teilstromentnahme
    Schrifttum

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Verlag des Vereins Deutscher Ingenieure
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    VDI/VDE 3511 Blatt 5:1994-11 Temperature measurement in industry - Installation of thermometers
    VDI/VDE 2040 Blatt 2:1987-04 Calculation principles for measurement of fluid flow using orifice plates, nozzles and venturi tubes; equations and formulae
    VDI/VDE 2640 Blatt 2:1981-11 Measurement of water flow in closed conduits; velocity-area method
    BS EN 12953-11:2003 Shell boilers Acceptance tests
    DIN EN 12952-15:2004-01 Water tube boilers and auxiliary installations - Part 15: Acceptance tests; German version EN 12952-15:2003
    BS EN 12952-15:2003 Water-tube boilers and auxiliary installations Acceptance tests
    EN 12952-15:2003 Water-tube boilers and auxiliary installations - Part 15: Acceptance tests
    EN 12953-11:2003 Shell boilers - Part 11: Acceptance tests
    DIN EN 12953-11:2003-12 SHELL BOILERS - PART 11: ACCEPTANCE TESTS

    Standards Referencing This Book - (Show below) - (Hide below)

    VDI 2048:1978-06 Inaccuracies at acceptance test measurements; fundamental principles
    DIN 43760:1987-09 MEASUREMENT AND CONTROL - ELECTRICAL TEMPERATURE SENSORS - REFERENCES-TABLES FOR NICKEL RESISTORS FOR RESISTANCE THERMOMETERS
    VDI/VDE 3511 : 1967 TECHNICAL TEMPERATURE MEASUREMENTS
    DIN 43710:1985-12 MEASUREMENT AND CONTROL - ELECTRICAL TEMPERATURE SENSORS - REFERENCE TABLES TYPE U AND TYPE L FOR THERMOCOUPLES
    VDE/VDI 3512-2 : 1972 MEASURING ARRANGEMENTS FOR TEMPERATURE MEASUREMENTS
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