💧 流体力学工具

💧 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。Bernoulli Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 体积流量计算器Volume Flow 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。Volume Flow - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 动压计算器Dynamic Pressure 动压计算器。输入流体密度与流速，按 q = ½ρv² 求单位体积动能（动压），用于空气动力学、风载与伯努利分析的压力项计算。Dynamic Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Orifice Discharge - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Stokes Settling - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Manning Velocity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Capillary Rise - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Poiseuille Flow - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 流体阻力计算器Drag Force 流体阻力计算器。输入流体密度、速度、迎风面积与阻力系数，按 F_d = ½ρv²C_dA 求物体所受阻力，用于车辆、飞行器与运动体气动/水动力分析。Drag Force - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💨 由动力黏度与密度求运动黏度Kinematic Viscosity Calculator - Kinematic Viscosity : Input μ,ρ, Output ν( m ²/ s ) 输入动力黏度 μ 与流体密度 ρ，按 ν = μ/ρ 计算运动黏度，用于油品、涂料等流变特性标注及雷诺数计算中的黏度参数换算。Kinematic Viscosity Calculator - Kinematic Viscosity : Input μ,ρ, Output ν( m ²/ s ) - free online tool. 🎚️ 由动压差求流速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。Pitot Velocity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. ⚠️ 由压力与流速求空化数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。Cavitation Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 🔽 由压差与截面积求体积流量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。Venturi Flow Rate - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 📉 由局部阻力系数与流速求水头损失Minor Loss Head 输入局部阻力系数 K、流速 v 与重力加速度 g，按 h = K·v²/(2g) 计算弯头、阀门等局部构件引起的水头损失，用于管路系统阻力汇总与水泵扬程确定。Minor Loss Head - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 📉 由摩擦系数与流速求管道压降Pressure Drop Darcy 输入摩擦系数 f、管长 L、管径 D、密度 ρ 与流速 v，按达西公式求沿程压降，用于管路水力计算与泵选型能耗评估。Pressure Drop Darcy - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. ⭕ 由流通面积与湿周求水力直径Hydraulic Diameter 输入非圆管道的流通截面积 A 与湿周 P，按 D_h = 4A/P 计算等效水力直径，将矩形、环形等异形截面换算为圆管以进行沿程阻力与水力计算。Hydraulic Diameter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 由流速、尺度与表面张力求韦伯数Weber Number 输入密度 ρ、流速 v、特征长度 L 与表面张力 σ，求韦伯数评估液滴破碎、喷雾与气泡行为，用于雾化、化工与多相流分析。Weber Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. ⚡ 由流速与声速求马赫数Mach Number 马赫数计算器。输入流速 v 与声速 c，按 Ma = v/c 求马赫数，判断流动为亚声速、跨声速或超声速，用于空气动力学与喷管设计。Mach Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 〰️ 由流速与特征长度求弗劳德数Froude Number 输入流速 v、特征长度 L 与重力加速度 g，按 Fr = v/√(gL) 计算弗劳德数，用于判别明渠水流的缓流/急流状态及船舶、堰流模型试验的相似性。Froude Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. ⭕ 由表面张力与曲率半径求球泡内外压差Laplace Sphere Pressure 输入表面张力 γ 与气泡/液滴曲率半径 R，按 ΔP = 2γ/R 计算内外压差，用于分析肥皂泡、液滴及肺泡等曲面界面因张力产生的附加压力。Laplace Sphere Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 由表面张力与管径求毛细压差Capillary Pressure 输入液体表面张力 γ 与毛细管内径 D，按 ΔP = 4γ/D 计算毛细压差，用于分析水在细管中上升、土壤渗流或微流控中由表面张力引起的压力变化。Capillary Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 〰️ 由谢才系数、水力半径与底坡求流速Chezy Velocity 输入谢才系数 C、水力半径 R 与渠道底坡 S，按 v = C√(R·S) 计算明渠或管道的均匀流流速，用于排水沟、河道与灌溉渠道的水力设计校核。Chezy Velocity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 🎚️ 由静压与流速求驻点压力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。Stagnation Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 终端速度计算器Terminal Velocity 终端速度计算器。输入质量、阻力系数、迎风面积与流体密度，求阻力与重力平衡时的匀速下落速度，用于颗粒、雨滴与跳伞运动的下落分析。Terminal Velocity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Continuity Equation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Buoyancy Force - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 雷诺数计算器Reynolds Number 雷诺数计算器。输入密度、流速、特征长度与黏度，求无量纲雷诺数，判断流动为层流或湍流，用于管道、机翼等流动的 regime 识别。Reynolds Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools. 💧 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。Hydrostatic Pressure - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Fluid Mechanics tools.