The optimisation of aerodynamic lift distribution for a heeled yacht in a wind gradient

Alexander Day

The optimisation of aerodynamic lift distribution for a heeled yacht in a wind gradient

Naval Architecture, Ocean And Marine Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A mathematical model has been developed to predict the distribution of lift over the rig of a yacht which gives the maximum forward speed. The model includes the effects of heel, wind gradient, and the presence of a gap between the foot of the sail and the deck. The aerodynamic performance of the rig is predicted using a simple numerical implementation of lifting line theory whilst the hydrodynamics of the hull are predicted from experiment data.

Original language	English
Pages (from-to)	91-108
Number of pages	18
Journal	Transactions of the Royal Institution of Naval Architects
Volume	134
Publication status	Published - 1992

Keywords

yachts
sail
aerodynamic performance
yacht rig

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title = "The optimisation of aerodynamic lift distribution for a heeled yacht in a wind gradient",

abstract = "A mathematical model has been developed to predict the distribution of lift over the rig of a yacht which gives the maximum forward speed. The model includes the effects of heel, wind gradient, and the presence of a gap between the foot of the sail and the deck. The aerodynamic performance of the rig is predicted using a simple numerical implementation of lifting line theory whilst the hydrodynamics of the hull are predicted from experiment data.",

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N2 - A mathematical model has been developed to predict the distribution of lift over the rig of a yacht which gives the maximum forward speed. The model includes the effects of heel, wind gradient, and the presence of a gap between the foot of the sail and the deck. The aerodynamic performance of the rig is predicted using a simple numerical implementation of lifting line theory whilst the hydrodynamics of the hull are predicted from experiment data.

AB - A mathematical model has been developed to predict the distribution of lift over the rig of a yacht which gives the maximum forward speed. The model includes the effects of heel, wind gradient, and the presence of a gap between the foot of the sail and the deck. The aerodynamic performance of the rig is predicted using a simple numerical implementation of lifting line theory whilst the hydrodynamics of the hull are predicted from experiment data.

KW - yachts

KW - sail

KW - aerodynamic performance

KW - yacht rig

M3 - Article

VL - 134

SP - 91

EP - 108

JO - Transactions of the Royal Institution of Naval Architects

JF - Transactions of the Royal Institution of Naval Architects

SN - 0035-8967

ER -