Temperature and humidity control in a closed chamber

Details Temperature and humidity control in a closed chamber Temperature and humidity control in a closed chamber

1992-03-11

1993-06-15

Tapolcai, William E.

Refrigeration

Processes

Circulating external gas

62314, 261104, 261151, 261DIG27, F25D 1708

Patent

active

052188337

ABSTRACT:
A process is disclosed for maintaining the temperature and humidity of a closed chamber within preferred ranges when contributions in water vapor and energy additions to the chamber from plants and humans vary over time. Enough water is evaporated into the air of the chamber such that when added to the water vapor added by transpiration a constant maximum rate of water vapor addition is maintained, thereby increasing air humidity and decreasing air temperature. A portion of warm moist air from the chamber is circulated to a water recovery heat exchanger module to remove additional sensible heat and to recover the amount of water evaporated in the chamber; cool dry air is returned to the chamber.

REFERENCES:
patent: 1673732 (1928-06-01), Brooks
patent: 2062771 (1936-12-01), Stead
patent: 2332975 (1943-10-01), Palmer
patent: 3808832 (1974-05-01), Zusmanovich
patent: 3854909 (1974-12-01), Hoisington et al.
patent: 3890797 (1975-06-01), Brown
patent: 4259268 (1981-03-01), DeRoss
patent: 4538426 (1985-09-01), Bock

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