DEVELOPMENT AND TESTING OF ALGORITHM FOR CALCULATION OF OPERATING PARAMETERS OF TRAWLING SYSTEMS
https://doi.org/10.26428/1606-9919-2019-198-221-229
Abstract
Numerical model of trawling system is developed on the base of equilibrium principle, using F.I. Baranov’s scheme of its power and geometric parameters interdependence. The model application to bottom trawling takes into account the effect of bottom grounds on the resistance force and expansion force of the trawling system. Algorithm is proposed for calculation of operating parameters of bottom and midwater trawls, with an operation to minimize the error of iteration. The model and the calculation algorithm were tested in MS Office Excel environment, using Visual Basic programming, and showed good convergence of the calculated and experimental data that indicates reliability of the model. This algorithm and the program for calculation of operating parameters could be used for trawl designing, in accounting surveys to determine the trawl opening, and in educational process for training the industrial fishery scholars.
About the Authors
E. A. Zakharov
Pacific branch of VNIRO (TINRO)
Russian Federation
head of sector
Russian Federation
head of sector
O. N. Kruchinin
Pacific branch of VNIRO (TINRO)
Russian Federation
D.Tech., leading researcher
Russian Federation
D.Tech., leading researcher
D. L. Shabelsky
Pacific branch of VNIRO (TINRO)
Russian Federation
leading engineer
Russian Federation
leading engineer
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Review
For citations:
Zakharov E.A., Kruchinin O.N., Shabelsky D.L. DEVELOPMENT AND TESTING OF ALGORITHM FOR CALCULATION OF OPERATING PARAMETERS OF TRAWLING SYSTEMS. Izvestiya TINRO. 2019;198(3):221-229. (In Russ.) https://doi.org/10.26428/1606-9919-2019-198-221-229
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