Plants Survive Rapid Decompression: Implications for Bioregenerative Life Support
No abstract available
Wheeler, Raymond M.↗
Engineering topics
Dixon, Michael A.
Publications and source records attributed to Dixon, Michael A..
Effect of Atmospheric Press on Wet Bulb Depression
Our measurements of wet bulb depression at different pressures matched the modeled adiabatic saturation temps reasonably well. At a dry bulb temp of 25 C, the normal wet bulb temp for 30% RH and 100 kPa is approx.15 C, but this dropped to approx.8 C at 10 kPa. The results suggest that psychrometers need direct calibration at the target pressures or that pressure corrected charts are required. For a given vapour pressure deficit, any moist surfaces, including transpiring plant leaves, will be cooler at lower pressures due to the increased evaporation rates.
Wheeler, Raymond M.↗