Re: Corn cooler...

<[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Noon-Air <[EMAIL PROTECTED]> wrote:
>
> >> ...32 F and 95-98% RH is good for storing sweet corn.
>
> >exactly what I said
>
> OK... :-)
>
> >> >> ***Circular*** air patterns?
> >> >
> >> >Yes..it is very low velocity and helps maintain the required 90 - 95%
> >> >humidity.
> >>
> >> Making the coil temp close to 32 F seems like a good idea. Or misting
> >> the corn or the floor of the box when the RH falls. Who cares whether
> >> the air flows in magical circular paths?
> >
> >ummmm....the coil is gonna be a lot colder than 32 degrees to achieve a
32
> >degree box temp....or did you miss that page in the book??
>
> That's a thought from ag engineer David M. Ross...
>
> http://www.agnr.umd.edu/users/Bioreng/portacooler2.htm
>
>   The USDA Portacooler was designed to remove field heat from highly
>   perishable fruit, vegetable, or cut flower product. It is not the best
type
>   of cooling unit for moderate or long term storage. This cooling system
is
>   a dehumidifier and... it will gradually dry out the product being
cooled,
>   if used for very long. For best cooling and long-term storage, select
>   cooling equipment with an evaporator coil that operates just below the
>   desired storage temperature so little moisture is condensed out of the
air.
>
> >> >> Open the door to reduce humidity?
> >> >
> >> >yup... think about it
> >>
> >> The humidity ratio of 32 F air at 98% RH is 0.00379, no? The same as
> >> 70 F air at 24% RH. If we open the door when the room RH is higher
> >> (quite likely), room air will condense more water inside the box.
> >
> >70 degrees @ 24% RH?? you live in a desert??
>
> No. And most people don't, so the SRC criminal's idea to "open the door to
> reduce humidity" won't work unless one lives in a desert, in very dry air
> with a dewpoint below 32 F. With more humid air, opening the door will add
> moisture to the cooler.
>
> >> >> A concrete ("cement") slab is a good insulator?
>
> The end of our phone conversation went something like this:
>
> Criminal: "Whatever you do, don't put the cooler on a wood floor. Wood
just
> sucks the heat out of the cooler."
>
> Me: "Do you believe that concrete is a better thermal insulator than
wood?"
>
> Criminal: "Yes."
>
> But of course it isn't. Look it up. Concrete is about R0.2 per inch,
> and wood is about R1 per inch, five times better as an insulator...
>
> >> >...good enough for walk in coolers and freezers all over the world
>
> Most may have been built in days of cheaper energy.
>
> Nick
>

This is Turtle.

Damn Nicky Poo , You got another address to deal with.  Hummmmm Where in
that , Awww there it is . PLONK.