Investigation of TC-1 flight failure using power spectral analysis

Details Investigation of TC-1 flight failure using power spectral analysis Investigation of TC-1 flight failure using power spectral analysis

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976stin...7630255l&link_type=abstract

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Centaur Launch Vehicle, Failure Analysis, Flight Tests, Power Spectra, Spectrum Analysis, Titan Icbm, Data Processing, Oxygen, Postflight Analysis, Pumps

Scientific paper

During the Titan Centaur 1 test flight a failure involving at least one of the Centaur propellant boost pumps occurred. Also, neither of the boost pump speed instruments indicated pump rotation. Accelerometer data from the Titan Centaur 1 flight failure were analyzed using power spectral density methods to determine boost pump speed during attempted starts of the Centaur. The technique was demonstrated on a reference flight. The hydrogen boost pump speed transient was determined for the TC-1 flight. Other trends are seen in the data. However, these are not believed to be the oxygen boost pump. Discussion of data enhancement techniques is also presented.

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