Vertical temperature gradients in apartments with hydronic radiator heating

Bidragets översatta titel : Vertikala temperaturgradienter i lägenheter med vattenburen radiatorvärme

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Sammanfattning

A vertical temperature stratification normally exists in rooms during the heat-ing season in cold climates. An expression of the gradient in apartments heated by hydronic radiator heating systems with exhaust ventilation has ear-lier been developed assuming a dependency of the outdoor temperature. The expression was used by a public real estate owner when re-calculating meas-ured indoor temperature at 2.1 m above floor to 1.2 m above floor represent-ing the occupancy zone and used for individual metering and billing of space heating cost. To validate the suggested expression temperature measurements have been made at four heights in living rooms in apartments built in the 70’s. The heights includes 0.0, 0.1, 1.1 and 1.7 m above floor. The theoreti-cal expression has been compared to the full-scale measurements and in general the expression overestimates the vertical temperature gradient. The measured gradients are generally very low. The thermal comfort in the aspect of vertical temperature gradient is good for the studied period.
Bidragets översatta titel Vertikala temperaturgradienter i lägenheter med vattenburen radiatorvärme
Originalspråkengelska
Titel på värdpublikationCold Climate HVAC 2018
Undertitel på värdpublikationSustainable Buildings in Cold Climates
RedaktörerDennis Johansson, Hans Bagge, Åsa Wahlström
FörlagSpringer
Sidor575-585
Antal sidor11
ISBN (elektroniskt)978-3-030-00662-4
ISBN (tryckt)978-3-030-00661-7
DOI
StatusPublished - 2019
EvenemangCold Climate HVAC 2018: The 9th International Cold Climate Conference, Sustainable new and renovated buildings in cold climates - Kiruna, Sverige
Varaktighet: 2018 mars 122018 mars 15

Konferens

KonferensCold Climate HVAC 2018
Förkortad titelCold Climate HVAC 2018
Land/TerritoriumSverige
OrtKiruna
Period2018/03/122018/03/15

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