Two-element wingsail as wind-assisted ship propulsor: Research into the performance of a two-element wingsail as a wind-assisted ship propulsor using CFD simulations

Throughout the last century, high energy-density fossil fuels have been the main energy source for merchant shipping. As the world tries to minimize the effects of global warming, shipowners are forced to significantly reduce their $CO_2$ emissions. Because alternative fuels are expensive, the interest in wind energy, which has been the single...