Abstract

We have previously reported on the development of a temperature compensated, self- referenced, microbend fiber optic pressure transducer for total pressure measurement. This transducer outputs the sum of altitude-dependent background pressure and dynamic pressure proportional to air speed. During flight tests at NASA Dryden, this fiber optic pressure transducer was installed in the same pitot pressure line as the existing electronic pressure transducer in the air data computer. Pressure data were simultaneously recorded from the transducers during flight tests. Presented in this paper is the comparison and analysis of the data from both transducers and a summary of the results.

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