Title: Ozone Concentration in the Cabin of a Gates Learjet Measured Simultaneously With Atmospheric Ozone Concentrations
Abstract: SUMMARY A Gates Learjet Model 23 was instrumented with monitors to measure simultaneous- ly the atmospheric and cabin concentrations of ozone at altitudes up to 13 kilometers. Six data flights were flown in February 1978. Four flights were made with the cabin relatively empty except for the pilot, copilot, experimental equipment, and one experimenter. Cabin ozone concentrations varied from 52 to 75 percent of the atmospheric ozone level at various areas around the cabin. It took 54 seconds for a step change in atmospheric ozone concentration to begin to be re- flected in the cabin ozone concentration. Two data flights were made with the aircraft loaded to a greater extent than on the other four flights: It carried an additional passenger, numerous pieces of luggage, and some aircraft spare parts and ground-support equipment. In this configuration the mea- sured cabin ozone concentration varied from 41 to 43 percent of the atmospheric ozone level. The probable reason for the increased ozone destruction was the larger amount of surface area in the cabin. Because ozone is an unstable gas, it tends to
Publication Year: 1978
Publication Date: 1978-10-01
Language: en
Type: article
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