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re: corn cooler (was: hot water from superheat of gwhp)
28 nov 2003
noon-air wrote:
>...this thread was changed in search of information on a medium temp,
>high humidity refrigeration application.
...32 f and 95-98% rh is good for storing sweet corn.
>> ***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?
>> 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.
>> a concrete ("cement") slab is a good insulator?
>
>good enough for walk in coolers and freezers all over the world
50 million criminals can't be wrong? :-)
nick
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