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    • Bokmerker
    • Rørhåndboka 2025 Pluss
    • Prenøk
    • Styring og regulering av tekniske anlegg i bygg.
    • VVS-TV
    • Ventøk
    • Varmenormen (2017)
    • Vannbaserte oppvarmings- og kjølesystemer (2014)
    • Ventilasjonsteknikk Del I (utgave 2019)
    • Ventilasjonsteknikk Del II (utgave 2019)
    • VVS-tegning med oppgavesamling
    • Kompendium for Fgass-sertifisering (2019)
    • Praktisk kuldeteknikk
    • RHB digitalt tillegg
    • Sanitærteknikk - Prosjektering og utførelse av sanitærinstallasjoner i bygg
    • Stensaas, Leif I. Ventilasjonsteknikk Del I - Grunnlaget og systemer (1998)
    • Tekniske bestemmelser - Standard abonnementsvilkår for vann og avløp
    • Kuldehåndboka 2007
    • Veileder for vannbehandling i lukkede energianlegg
    • Klimadata M21
    • Driftøk
    • Arbeidsdokument
      • Introduction to ventilation
      • Indoor climate
      • Humid air
      • Varmeoverføring
      • Basic fluid mechanics
        • Basic fluid mechanics
        • The continuity equation
        • Bernoulli’s equation
        • Pressure measurements
        • Pressure changes in the ducting system
        • Friction losses and pressure loss gradient diagram
        • Hydraulic diameter
        • Equivalent diameter
        • Impact or local losses
        • Fluid mechanics with equations
        • Reynolds numbers
        • Hydraulic diameter
        • Kinematic viscosity
        • Laminar and turbulent airflow
        • Friction loss with equations
        • Moody's diagram
        • Impact loss (Minor loss)
        • Cross-sectional expansion
        • Cross-sectional reduction
        • Bend
        • Branching
        • Other minor losses
        • Pressure drop calculation and balancing
        • Pressure drop calculation and balancing without optimization
        • Pressure drop calculation and balancing with optimization
      • Airflow requirements
      • Main types of ventilation systems
      • Airflow patterns in rooms (under construction)
      • Sound and noise reduction in ventilation systems
      • Energy use in buildings
      • Demand-controlled ventilation
      • Ducts

    Arbeidsdokument

    • 5
      Basic fluid mechanics
    • 5.1
      The continuity equation
    • 5.2
      Bernoulli’s equation
    • 5.2.1
      Pressure measurements
    • 5.3
      Pressure changes in the ducting system
    • 5.3.1
      Friction losses and pressure loss gradient diagram
    • 5.3.1.1
      Hydraulic diameter
    • 5.3.1.2
      Equivalent diameter
    • 5.3.2
      Impact or local losses
    • 5.4
      Fluid mechanics with equations
    • 5.4.1
      Reynolds numbers
    • 5.4.1.1
      Hydraulic diameter
    • 5.4.1.2
      Kinematic viscosity
    • 5.4.2
      Laminar and turbulent airflow
    • 5.4.3
      Friction loss with equations
    • 5.4.3.1
      Moody's diagram
    • 5.4.4
      Impact loss (Minor loss)
    • 5.4.4.1
      Cross-sectional expansion
    • 5.4.4.2
      Cross-sectional reduction
    • 5.4.4.3
      Bend
    • 5.4.4.4
      Branching
    • 5.4.4.5
      Other minor losses
    • 5.5
      Pressure drop calculation and balancing
    • 5.5.1
      Pressure drop calculation and balancing without optimization
    • 5.5.2
      Pressure drop calculation and balancing with optimization
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