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Rørhåndboka 2024 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
Airflow requirements
Main types of ventilation systems
Airflow patterns in rooms (under construction)
Airflow patterns in rooms
Ventilation principles
The occupied zone
Ventilation efficiency
Air change rate (n)
Ventilation efficiency (εv)
Temperature efficiency (εvt)
Mixing ventilation
Air throw length
The Coanda effect
Maximum penetration length
Blackening around the supply air terminal device
Supply air with excess temperature
Supply air terminal devices for mixing ventilation
Displacement ventilation
Stratification layer height
Near zone
Temperature gradient
Supply air devices for displacement ventilation
Extract devices
Extract devices for mixing ventilation
Extract devices for displacement ventilation
Different types of extract devices
Ventilation effectiveness indices
The age of air
Piston flow
Tracer gas measurements
Air change efficiency (εa)
Piston flow
Fully mixed flow
Displacement flow
Local air change index (εaP)
Contaminant removal effectiveness (εc or εcoz)
Local air quality index (εcP)
Airflow patterns
Free horizontal isothermal air jet
Circular jet, approximately isothermal
Plane jet, approximately isothermal
Radial jet, approximately isothermal
Relation between throw lengths and different end velocities
Non-isothermal air jet
Archimedes number
Separation distance
Penetration length for a horizontal jet
Penetration curve
Vertical jets affected by thermal forces
Natural convection
Convection currents from heat sources in rooms without temperature gradient
Convection current from heat source in a room with temperature gradient
Vertical air movements from hot or cold surfaces
Sound and noise reduction in ventilation systems
Energy use in buildings
Demand-controlled ventilation
Ducts
Arbeidsdokument
Airflow patterns in rooms (under construction)
8
Airflow patterns in rooms
8.1
Ventilation principles
8.1.1
The occupied zone
8.1.2
Ventilation efficiency
8.1.2.1
Air change rate (n)
8.1.2.2
Ventilation efficiency (εv)
8.1.2.3
Temperature efficiency (εvt)
8.1.3
Mixing ventilation
8.1.3.1
Air throw length
8.1.3.2
The Coanda effect
8.1.3.3
Maximum penetration length
8.1.3.4
Blackening around the supply air terminal device
8.1.3.5
Supply air with excess temperature
8.1.3.6
Supply air terminal devices for mixing ventilation
8.1.4
Displacement ventilation
8.1.4.1
Stratification layer height
8.1.4.2
Near zone
8.1.4.3
Temperature gradient
8.1.4.4
Supply air devices for displacement ventilation
8.1.5
Extract devices
8.1.5.1
Extract devices for mixing ventilation
8.1.5.2
Extract devices for displacement ventilation
8.1.5.3
Different types of extract devices
8.2
Ventilation effectiveness indices
8.2.1
The age of air
8.2.1.1
Piston flow
8.2.1.2
Tracer gas measurements
8.2.2
Air change efficiency (εa)
8.2.2.1
Piston flow
8.2.2.2
Fully mixed flow
8.2.2.3
Displacement flow
8.2.3
Local air change index (εaP)
8.2.4
Contaminant removal effectiveness (εc or εcoz)
8.2.5
Local air quality index (εcP)
8.3
Airflow patterns
8.3.1
Free horizontal isothermal air jet
8.3.1.1
Circular jet, approximately isothermal
8.3.1.2
Plane jet, approximately isothermal
8.3.1.3
Radial jet, approximately isothermal
8.3.1.4
Relation between throw lengths and different end velocities
8.3.2
Non-isothermal air jet
8.3.2.1
Archimedes number
8.3.2.2
Separation distance
8.3.2.3
Penetration length for a horizontal jet
8.3.2.4
Penetration curve
8.3.2.5
Vertical jets affected by thermal forces
8.3.3
Natural convection
8.3.3.1
Convection currents from heat sources in rooms without temperature gradient
8.3.3.2
Convection current from heat source in a room with temperature gradient
8.3.3.3
Vertical air movements from hot or cold surfaces