Where did the RH Go

[Isaac sur Noos]

the secret laboratory hidden in the basement ?

> -----Message d'origine-----
> De : pianotech-bounces@ptg.org
> [mailto:pianotech-bounces@ptg.org]De la
> part de Sarah Fox
> Envoyé : mercredi 14 janvier 2004 02:39
> À : Pianotech
> Objet : Re: Where did the RH Go
>
>
> Hi Don,
>
> > Or else there was outside air infiltrating into the room.
> This is far more
> > likely in an old house. It's really quite dramatic to do
> the calculation
> of
> > outside air at 70% relative humidity at -15 C and bring
> it into a house
> > raising the temperature to 20 C.
>
> Ah yes, my dear Watson, but you forget that the radiators
> were not warm, and
> yet the temperature held steady.  Methinks the air entering
> the room was
> warm and thus could only have come from the rest of the
> abode, and so the
> real culprit must have been a hidden ventillation duct or
> large gap between
> rooms.  Perhaps an open transom!  Yes, cherchez le transom!  ;-)
>
> Peace,
> Sarah
>
>
>
>
>
> >
> > Have a look here:
> >
> > http://members.nuvox.net/~on.jwclymer/rh.html
> >
> >
> > At 03:26 PM 1/13/2004 -0500, you wrote:
> > >Hi Bill,
> > >
> > >> >House heating method?
> > >>
> > >> Steam radiators, which were cool all during the time I
> was there (and
> > >> the temperature was holding steady while the RH was
> tumbling). I need
> > >> to get the details of the house insulation from the
> owner. As well as
> > >> sell her a DC!
> > >
> > >If....
> > >
> > >(1) It was cold outside, and
> > >(2) there was no insulation in the walls, and
> > >(3) the radiators in the room were not active, and
> > >(4) it was still warm (and stable) inside the room,
> > >
> > >then there had to be some considerable source of
> external heat.  I can
> only
> > >conclude that the room received a substantial flow of
> warm (and dry) air
> > >from the rest of the house.  I think there's no need to
> look further for
> the
> > >answer to the plummeting RH mystery.  ;-)
> > >
> > >Peace,
> > >Sarah
> > >
> > >PS I didn't have time to refill my humidifier this
> morning -- places to
> go.
> > >It went 7+ hours without shedding a drop of water into
> the air.  When I
> > >returned, the RH had dropped about 1%.  Same temperature. YMMV
> > >
> > >_______________________________________________
> > >pianotech list info:
https://www.moypiano.com/resources/#archives
> >
> >
>
> Regards,
> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>
> mailto:pianotuna@accesscomm.ca
> http://us.geocities.com/drpt1948/
>
> 3004 Grant Rd.
> REGINA, SK
> S4S 5G7
> 306-352-3620 or 1-888-29t-uner
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