A Study of Water and Carbon Dioxide Precipitation Technique Using Thermal Radiation Principles

摘要

Various freeze-out techniques, conceived for controlling carbon dioxide and water vapor in a manned space enclosure in earth orbit, were investigated, analyzed and evaluated. Carbon dioxide elimination presents a much greater problem than does water vapor elimination. The system selected has the following main characteristics: a separate air loop for each vapor; simultaneous sublimation and precipitation in each loop; the freeze-out plate, sublimator, radiator, and second stage heat exchanges in the carbon dioxide loop, are integral and outside the cabin; in an equatorial orbit, the radiator is sun-shielded by a fixed-attitude, open-ended cover. (Author)