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Low-Carbon trawl design with analysis of a gear drags and calculation of construction costs using numerical methods

수치해석기법에 의한 어구 저항 분석 및 저탄소 트롤어구 설계와 비용 분석

Lee, Ji-Hoon;Lee, Chun-Woo
이지훈;이춘우

  • Received : 2010.09.24
  • Accepted : 2010.11.10
  • Published : 2010.11.30

Abstract

Fuel consumption in fisheries is a primary concern due to environmental effects and costs to fishermen. Much research has been carried out to reduce the fuel consumption related to fishing operations. The fuel consumption of fishing gear during fishing operation is generally related to hydrodynamic resistance on the gear. This research demonstrates a new approach using numerical methods to reduce fuel consumption. By designing the fishing gear using drawing software, the whole and partial resistance force on the gear can be calculated as a result of simulations. The simulation results will suggest suitable materials or gear structure for reducing the hydrodynamic forces on the gear while maintaining the performance of the gear. This research will helpful to reduce the $CO_2$ emissions from fishing operations and lead to reduce fishing costs due to fuel savings.

Keywords

Low-carbon fishing gear;Numerical methods;$CO_2$ emission;Hydrodynamic resistance;Fuel consumption

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Acknowledgement

Supported by : 한국연구재단