Re: [TRNSYS-users] TRNSYS-users Digest, Vol 62, Issue 30

Hello,

I’m having a problem with TrnBuild. I’m trying to describe an office tower in TrnBuild and it keeps sending error messages that either the timebase is too small (it’s set for 1 hour, the default value) or that the capacity of a wall is too small. Thing is the wall type creating the error is just fine, its capacity is good. After I fix one wall type I get an error message for a different wall type. I don’t know where all this is coming from.

By the way, there’s an error in type52 code. The computation of the convection coefficient for water inside the tubes of the cooling coil for laminar flow is done considering Nu=4.36. It might be a simplification but it’s not ok.

Best regards,

Mariana GHETU

Laboratoire Génie Civil et Génie Mécanique

INSA de Rennes

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Sent: Thu, 18 February, 2010 15:23:02
Subject: TRNSYS-users Digest, Vol 62, Issue 30

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Today's Topics:

1. Re: Simplified heating and cooling based
onoperativetemperature (keilholz, werner)
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