A New Approach to Establish Empirical Formula for Estimating Fishing Boat Resistance

 International Journal of Engineering Trends and Technology (IJETT) © 2021 by IJETT Journal Volume-69 Issue-4 Year of Publication : 2021 Authors : Chinh Van Huynh, Ha Vu Nguyen, Thai Gia Tran DOI :  10.14445/22315381/IJETT-V69I4P219

Citation

MLA Style: Chinh Van Huynh, Ha Vu Nguyen, Thai Gia Tran "A New Approach to Establish Empirical Formula for Estimating Fishing Boat Resistance" International Journal of Engineering Trends and Technology 69.4(2021):131-138.

APA Style:Chinh Van Huynh, Ha Vu Nguyen, Thai Gia Tran. A New Approach to Establish Empirical Formula for Estimating Fishing Boat Resistance  International Journal of Engineering Trends and Technology, 69(4),131-138.

Abstract
Resistance estimation is the basis for solving many important problems in ship design, such as selecting the suitable propulsion system, optimizing the hull form, etc. Three methods commonly used to estimate ship resistance are an empirical method, CFD analysis, and model testing. Compared with the last two ones, the empirical method in the form of approximate curves or formulas allow estimating resistance very fast without effort, cost, or ship lines, etc. However, it is extremely difficult and costly to establish such curves or formulas, and they also rarely give the expected accuracy when computational ships differ from test ships. In this paper, we present a simple approach to obtain an empirical formula for accurately estimating the resistance of fishing boats based on the existing model test data of the Food and Agriculture Organization (FAO) of the United Nations. The application of the research results to the Vietnamese fishing fleet has validated the reliability of this approach when the deviations of the resistance values calculated from the established empirical formula and the corresponding model and actual test data are within ?4%.

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Keywords
empirical formula, FAO, fishing boat, resistance, Vietnamese.