Abstract
A Chebyshev fitting way for a propeller atlas across four quadrants is discussed. As an example, Chebyshev polynomial fitting results and its error analysis are given. Because it’s difficult generally to get a propeller atlas across four quadrants, a way is used to construct an alternative with higher accuracy based on the properties. As an application example, an alternative for the propeller property of a Deep Submergence Vehicle across four quadrants is given practically and a simulation model of the four quadrants propeller for dynamic condition is set up. The model lays a foundation for DSV full operating-condition movement simulation. A lot of simulation work shows that the results are very close to the practical data and, therefore, are effective.
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References
LI DIANPU. Chebyshev fitting of propeller properties across four quadrants and propulsion model of DSV[J]. Journal of Harbin Engineering University, 2002, 23(1):52–57(in Chinese).
LI DIANPU, WANG ZONGYI, CHI HAIHONG. The Chebyshev fitting of propeller properties across four quadrants and realization of all-round forward and backward movement simulation[J]. Journal of system engineering, 2002, 10(7):43–48.
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Li, Dp., Wang, Zy. & Chi, Hh. Chebyshev fitting way and error analysis for propeller atlas across four quadrants. J. Marine. Sci. Appl. 1, 52–59 (2002). https://doi.org/10.1007/BF02921417
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DOI: https://doi.org/10.1007/BF02921417
Key words
- propeller
- four quadrants property
- dynamic simulation
- atlas
- Chebyshev polynomial
- DSV
- alternative property
- error analysis