FEASIBILITY STUDY OF TWO NULLING PRESSURE MEASURING SYSTEMS.
Interim technical rept. for Feb-Jul 63,
CINCINNATI UNIV OHIO
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The purpose of the study was to investigate the feasibility of developing a pressure measuring system which operated on a nulling principle with nulling capabilities of 0.01 mm Hg. An additional specification employed was that the entire system be small enough to fit in a wind tunnel model or model support system in order to reduce the time-lag. Two systems were investigated. The first used a known pressure as the nulling medium and the second system utilized an electrostatic pressure for this purpose. A working model of the first system was developed and tested. However, attempts to develop a working model utilizing the latter principle were unsuccessful. Author