A Comprehensive Sensitivity Analysis of the OTS Data

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Authors
Sarpkaya, Turgut
Cakal, Ibrahim
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Date of Issue
1983-05
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Abstract
The Ocean Test Structure (OTS) data obtained by the Exxon Production Research Company were re-analyzed in terms of their sensitivity to disturbances imposed on the measured forces, velocities, and accelerations. It has been shown that part of the scatter in the said data may be explained in terms of these disturbances. Furthermore, a correlation has been sought between the force coefficients and the relative current velocity and it has been demonstrated that a reasonable correlation exists between the drag coefficient, relative current velocity, Keulagan-Carpenter number, and the ratio of the Reynolds number to the Keulegan-Carpenter number. The results have confirmed the fact that the drag coefficients obtained from tests in an ocean environment must be necessarily smaller than those obtained in a controlled laboratory environment.
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Conference Paper
Description
Author Ibrahim Cakal is an December 1982 NPS Graduate
This paper was presented at the 15th Annual OTC in Houston, Texas, May 2-5. 1983.
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Citation
Sarpkaya, Turgut, and Ibrahim Cakal. "A Comprehensive Sensitivity Analysis of the aTS Data." Offshore Technology Conference. Offshore Technology Conference, 1983.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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