帆船的工作原理:物理学与设计
How a yacht works: sailboat physics and design

原始链接: https://www.onemetre.net/Design/Design.htm

本网站涵盖游艇设计、性能和航行的科学原理。内容组织涵盖了翼型、鳍和帆、船体设计、附体设计、帆和索具以及整船等主题。 翼型和帆部分解释了升力的产生,包括理论、平面形状考虑和流动模拟。鳍和帆部分深入探讨了纵横比、边界层、雷诺数、帆角、扭曲和缝隙效应。船体设计涵盖了弗劳德数、阻力类型、船体线型和流动动力学。附体设计探讨了鳍和舵的特性、球茎形状和性能计算器。帆和索具部分考察了桅杆和帆的相互作用、迎风面积、鹅颈几何形状和帆形控制。 网站还讨论了完整的游艇,包括平衡性、稳定性、环境因素和规则影响。主题包括视风、风梯度、实际航速和航向定理。风洞测试和AMYA MY文章增加了实践见解。该网站旨在全面了解游艇设计原理。

Hacker News 亮点了一项宝贵的资源,适合游艇设计爱好者:onemetre.net。该网站提供了大量关于帆船物理学和设计原理的技术信息,适用于模型和全尺寸游艇。涵盖的主题包括翼型理论、帆扭转、船体阻力、附体设计和实际航速 (VMG)。 原发帖者称赞该网站的实用工具,包括用于球茎形状优化、湿表面积计算和简单的速度预测程序 (VPP) 模型的电子表格和计算器。他推荐它作为对帆船性能建模或一般游艇设计感兴趣的人的优秀资源。
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  • 原文

     

    Topic Site Pages
    How aerofoils work
    Where lift comes from
    Engineering formula for lift
    Momentum theory of lift
    Lifting line theory of lift
    Circulation theory of lift
    Circulation, Planform, Bubbles
    2D flow simulation (AMYA MY #212)
    How fins and sails work
    Aspect ratio, Wash,
    Planform & Vortices,
    Boundary layer,
    Reynolds number,
    Sheeting, Twist, Slot
    Downwash
    Sail section lift
    Slot Effect
    Wind tunnel (2) Sheeting angles
    Boundary layer (AMYA MY #185)
    How a yacht works
    Points of sailing,
    Downwind sailing and hull speed,
    Sailing on the wind,
    Lift & drag,
    Apparent wind
    Apparent Wind
    Wind Gradient
    Twist due to wind gradient
    Big boat instrumentation
    Wind tunnel Drive vs heel
    Wind tunnel Goosewinged vs same gybe
    The course theorem, pointing, and drag angles
    Lift to drag (AMYA MY #178)
    Velocity made good (AMYA MY #180)
    VMG & pointing (AMYA MY #181)
    Appendage design
    Fin & rudder size,
    Fin & rudder planforms,
    Fin sections,
    Rudder sections,
    Rudder balance
    Bulb size & shape
    Bulb cant
    Marko's bulb calculator
    Foil planforms
    Fin area
    Fin Position
    Foil Sections and forces
    Oval Bulb
    Wetted surface area (AMYA MY #183)
    IOM bulb drag (AMYA MY #184)
    Hull design
    Froude number,
    Surface friction,
    Wave drag,
    Hull lines
    Hull design with arcs
    Metacentric moments
    Boundary layer
    Flow around a hull
    Flow around a hull 2
    Permitted roughness
    Turbulators
    Sails and rigging design
    Shrouds, Jumpers, Stays,
    Spreaders,
    Mast, Sail-mast interaction
    Jibstay sag,  Windage,
    Gooseneck geometry,
    Topping lift,
    Sail camber
    Gap between jib foot and deck
    Sail shape
    Sail draft
    2D Entry & Exit Angles
    Gap between sail and mast
    Sail Twist
    Twist & downwash
    Twist measurement
    Twist measurement (part 2)
    Wind tunnel (3) Twist
    Jib foot gap to deck
    The boat as a whole
    Balance, Stability,
    Environment, Trade-offs,
    Class rule effects
    Balance due to hull shape
    Rig tune and snap weather helm
    Tuning weather helm
    Simple VPP
    Heel apparatus for "A"
    Stiffness (AMYA MY #173)
    Canoe body yaw (AMYA MY #176)
    Balance, part I (AMYA MY #187)
    Balance, part II (AMYA MY #188)
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