💧 流体力学工具💧 Fluid Mechanics Tools

← ToolBox / 流体力学工具Fluid Mechanics Tools

💧 流体力学工具💧 Fluid Mechanics Tools

共 23个免费在线工具

文丘里流量计计算器Venturi Flow Rate输入入口/喉部截面积 A1、A2 与压差 ΔP、流体密度 ρ，按文丘里公式求体积流量，用于管道流量计选型与流量在线核算。Compute volumetric flow rate from inlet and throat cross-section areas A₁ and A₂, differential pressure ΔP and fluid de… 斯托克斯沉降速度计算器Stokes Settling斯托克斯沉降速度计算器。输入颗粒半径、密度差与流体黏度，求低雷诺数下小颗粒的匀速沉降终端速度，用于悬浮液沉降与水处理设计。Compute the terminal settling velocity of a small sphere at low Reynolds number from particle radius, particle-fluid de… 体积流量计算器Volume Flow Calculator体积流量计算器。输入管道截面积与平均流速，按 Q = A·v 求体积流量，用于供水、通风与化工管道的流量核算。Compute volumetric flow rate from pipe cross-section area and mean flow velocity using Q = A·v, for flow accounting in… 伯努利压力计算器Bernoulli Pressure伯努利压力计算器。输入流体速度、高度与压强，按伯努利方程 p + ½ρv² + ρgh = 常量 求沿流线的压力变化，用于管道、机翼等流体压强分析。Compute the static pressure change along a streamline from flow speed, elevation and fluid density using Bernoulli's eq… 毛细上升高度计算器Capillary Rise毛细上升高度计算器。输入液体表面张力、接触角与毛细管半径，按 Jurin 定律求液体在细管中的上升高度，用于土壤、纸张与微流体中的毛细现象分析。Compute how far a liquid rises inside a narrow tube from surface tension, contact angle and tube radius by Jurin's law… 拉普拉斯球泡压差计算器Laplace Sphere Pressure由表面张力与曲率半径求球泡内外压差Compute the pressure difference across a curved interface from surface tension γ and the bubble or droplet radius of cu… 皮托管流速计算器Pitot Velocity输入皮托管测得动压差 ΔP 与流体密度 ρ，按 v = √(2ΔP/ρ) 计算流体流速，用于风管、水管中借助毕托管测压测算实际流量。Compute flow speed from the differential pressure measured by a Pitot tube and the fluid density using v = √(2ΔP/ρ), fo… 连续性方程计算器Continuity Equation连续性方程计算器。输入截面面积与流速，按 A₁v₁ = A₂v₂ 求不可压缩流体在变截面管道中的流速变化，用于流量守恒与管径设计。Compute flow speed change across sections of varying area for an incompressible fluid using A₁v₁ = A₂v₂, supporting flo… 静水压力计算器Hydrostatic Pressure静水压力计算器。输入液体密度、深度与重力加速度，按 p = ρgh 求液体内部由深度产生的压强，用于水箱、堤坝与潜水设备的压力设计。Compute the pressure generated by depth inside a standing liquid from density, depth and gravity using p = ρ·g·h, for p… 驻点压力计算器Stagnation Pressure驻点压力计算器。输入静压与流速，按 p₀ = p + ½ρv² 求气流停滞点的总压，用于皮托管测速、进气道与风洞试验的压力换算。Compute the stagnation (total) pressure from static pressure and flow speed using p₀ = p + ½ρv², for Pitot-based veloci… 孔口出流流量计算器Orifice Discharge孔口出流流量计算器。输入孔口面积、水头与流量系数，按薄壁孔口自由出流公式求流量，用于水箱、灌溉与泄流设施的设计核算。Compute discharge through a sharp-edged orifice under free outflow from the orifice area, driving head and discharge co… 局部阻力损失计算器Minor Loss Head由局部阻力系数与流速求水头损失Compute head loss caused by elbows, valves and other fittings from the minor loss coefficient K, flow velocity v and gr… 曼宁公式流速计算器Manning Velocity曼宁公式流速计算器。输入水力半径、底坡与糙率系数，按曼宁公式求明渠均匀流平均流速与流量，用于河道、排水沟与渠道水力设计。Compute the mean velocity and discharge of uniform open-channel flow from hydraulic radius, bottom slope and roughness… 泊肃叶流量计算器Poiseuille Flow泊肃叶流量计算器。输入管径、压差与黏度，按泊肃叶定律求圆管层流体积流量，用于微流控、血液流动与润滑系统的层流分析。Compute the laminar volumetric flow rate through a circular pipe from pipe diameter, pressure drop and viscosity by Poi… 空化数计算器Cavitation Number输入当地压力 p、饱和蒸气压 p_v、密度 ρ 与流速 v，求空化数以判断泵、螺旋桨等水力机械发生空蚀的风险与工况。Compute the cavitation number from local pressure p, saturation vapour pressure p_v, fluid density ρ and flow speed v t… 达西沿程压降计算器Pressure Drop Darcy由摩擦系数与流速求管道压降Compute the friction pressure drop along a straight pipe from friction factor f, length L, diameter D, density ρ and ve… 阿基米德浮力计算器Buoyancy Force阿基米德浮力计算器。输入排开流体的密度与体积，按 F = ρgV 求物体所受浮力，适用于船舶、浮标与浸没物体的受力分析。Compute the buoyant force acting on an immersed or floating body from the density of the displaced fluid and the displa… 谢才流速计算器Chezy Velocity由谢才系数、水力半径与底坡求流速Compute uniform-flow velocity from the Chezy coefficient C, hydraulic radius R and channel bottom slope S using v = C·√… 弗劳德数计算器Froude Number由流速与特征长度求弗劳德数Compute the Froude number from flow speed v, characteristic length L and gravitational acceleration g to classify subcr… 毛细管压差计算器Capillary Pressure由表面张力与管径求毛细压差Compute the capillary pressure difference from the liquid surface tension γ and the inner tube diameter D using ΔP = 4γ… 水力直径计算器Hydraulic Diameter由流通面积与湿周求水力直径Convert a non-circular conduit to an equivalent round pipe by computing hydraulic diameter D_h = 4A/P from flow area A… 运动黏度计算器Kinematic Viscosity Calculator由动力黏度与密度求运动黏度Compute kinematic viscosity ν = μ/ρ from dynamic viscosity μ and fluid density ρ, for rheological specification of oils… 韦伯数计算器Weber Number由流速、尺度与表面张力求韦伯数Compute the Weber number from density ρ, velocity v, characteristic length L and surface tension σ to assess droplet br…
📖关于「流体力学工具」About Fluid Mechanics Tools▼

📝栏目简介

流体力学工具集合收录了 23 个免费在线工具，覆盖流体力学场景下的常见计算、换算与查询需求。无论你是相关领域的从业者、学生还是普通用户，都能在这里找到即用即走的实用小工具。所有工具纯前端运行，数据不上传服务器，保护隐私安全。This collection gathers 23 free online Fluid Mechanics tools for everyday calculations, conversions and lookups. Whether you are a professional, a student or a casual user, you will find handy tools you can use right away. Everything runs client-side — no data is uploaded.

✨核心功能与适用场景

本页收录的流体力学工具包括（部分代表工具）：Featured Fluid Mechanics tools on this page include:

  • 文丘里流量计计算器Venturi Flow Rate
  • 斯托克斯沉降速度计算器Stokes Settling
  • 伯努利压力计算器Bernoulli Pressure
  • 毛细上升高度计算器Capillary Rise
  • 拉普拉斯球泡压差计算器Laplace Sphere Pressure
  • 皮托管流速计算器Pitot Velocity
  • 静水压力计算器Hydrostatic Pressure
  • 驻点压力计算器Stagnation Pressure
  • 孔口出流流量计算器Orifice Discharge
  • 曼宁公式流速计算器Manning Velocity
  • 泊肃叶流量计算器Poiseuille Flow
  • 空化数计算器Cavitation Number
  • 达西沿程压降计算器Pressure Drop Darcy
  • 谢才流速计算器Chezy Velocity
  • 弗劳德数计算器Froude Number
  • 毛细管压差计算器Capillary Pressure
  • 水力直径计算器Hydraulic Diameter
  • 韦伯数计算器Weber Number

这些工具帮助你快速完成流体力学相关的常见任务，无需记忆复杂公式或手动换算，输入即可得结果。These tools help you complete Fluid Mechanics tasks quickly — no formulas to memorise and no manual conversion, just enter your values and get the result.

❓常见问题

流体力学分类下的工具需要下载或注册吗？Do Fluid Mechanics tools require any download or sign-up?

不需要。本页 23 个流体力学工具（如文丘里流量计计算器、斯托克斯沉降速度计算器、伯努利压力计算器、毛细上升高度计算器、拉普拉斯球泡压差计算器、皮托管流速计算器）都是纯前端页面，打开网页即可使用，无需安装软件、无需注册账号；输入的数据只在你的浏览器内处理，不会上传服务器。No. The 23 Fluid Mechanics tools on this page (including Venturi Flow Rate, Stokes Settling, Bernoulli Pressure, Capillary Rise, Laplace Sphere Pressure, Pitot Velocity) are pure front-end pages: just open them and start using. No software to install, no account needed, and anything you enter is processed inside your browser — never uploaded.

流体力学工具的结果能直接用于医疗、法律或财务决策吗？Can the results be used directly for medical, legal or financial decisions?

不能直接作为决策依据。本页工具多为通用计算、换算与查询，结果仅供日常参考；涉及诊断、诉讼、投资、工程验收等专业场景，请以权威标准、原始仪器读数或持证专业人士的结论为准。所有运算都在本地完成，数据不上传。No — treat them as everyday references only. Most tools here are general-purpose calculators, converters and lookups; for diagnosis, litigation, investment or engineering acceptance, rely on authoritative standards, raw instrument readings or a licensed professional. Everything is computed locally and nothing is uploaded.