[TRNSYS-users] laminar flow in active layer
Adriana Angelotti
Adriana.Angelotti at polimi.it
Thu Oct 13 02:46:38 PDT 2005
Dear trnsys users and type 56 developers,
I'd like to know if the in the active layer model the internal
convective coefficient for water in the pipes is calculated according
to the flow regime.
This isn't clear to me from the documentation (page 48 and 58 of the
Type 56 user's manual),
since it seems that for the active layer only a turbulent flow
correlation is used, while for the cooled ceiling layer turbulent and
laminar flow correlation are both available.
For capillary systems, the flow regime is often laminar.
Many thanks
Adriana Angelotti
-------------------------------------------------------------------------------------------------
Adriana Angelotti, PhD
Politecnico di Milano
Dipartimento di Scienza e Tecnologie dell'Ambiente Costruito (Best)
v. Bonardi 3
20133 Milano, Italy
Ph +39 02.2399.5183
Fax +39 02.2399.5118
e-mail adriana.angelotti at polimi.it
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