Abstract

This paper presents mainly a new HPC/CFD numerical simulation for airflow around the rigid sail for Lupo90 boat in Constanta harbor conditions. The first part of the work displays the performed numerical simulation in turbulent flow based on the 3D sail. The presented model has high capacity of towing and it can be installed onboard existing ships. This is the result of the HPC (high performance computing) and CFD (computational fluid dynamics) which is a mixture of actual hardware and software at high level computing power applied to Lupo90 boat. All data for rigid sail is analyzed in a turbulent flow in commercial fluid dynamics ANSYS module CFX available at Naval Academy and the work was supported by Romanian Ministry of Defense. Sail performance studying in turbulent flow for the rigid sail onboard ships was always a huge computational difficulty and the HPC/CFD analysis available can solve tricky tasks. The most common unconventional systems are hybrid propulsion systems are using fossil fuel and wind energy, this type of HPC/CFD method for propulsion investigation is now implemented by craft constructor CirusPlast SRL. Keywords: numerical simulation, turbulent airflow, sail propulsion

Highlights

  • This paper presents mainly a new HPC/Computational Fluid Dynamics (CFD) numerical simulation for airflow around the rigid sail for Lupo90 boat in Constanta harbor conditions

  • Design Modeller numerical program is used to create the 3D geometry for flow simulation around the sail and geometry is imported in CFX solver for drag and lateral force analysis performed with CFD (Computational Fluid Dynamics)

  • The present study assesses the application of HPC/CFD

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Summary

Introduction

This paper presents mainly a new HPC/CFD numerical simulation for airflow around the rigid sail for Lupo boat in Constanta harbor conditions. The presented model has high capacity of towing and it can be installed onboard existing ships This is the result of the HPC (high performance computing) and CFD (computational fluid dynamics) which is a mixture of actual hardware and software at high level computing power applied to Lupo boat. Estimates for 2020 according to which the global product portfolio will grow from 23 million barrels per day to 105 million barrels per day In this context, pollution from combustion emissions has increased in the last decades and for pleasure crafts, we focus on sails and other systems with substantial fuel savings. Design Modeller numerical program is used to create the 3D geometry for flow simulation around the sail and geometry is imported in CFX solver for drag and lateral force analysis performed with CFD (Computational Fluid Dynamics). In the context of using sails on board of the crafts, we can use CFD methods to determine parameters of propulsion

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