42 free online calculators for high-shear dispersion, pneumatic mixing, process valves and fluid handling — covering rotor mechanics, mixing, flow/piping, pumps & power, volume, powder dosing, energy optimization, dimensionless numbers & CFD, and unit conversion.
Rotor tip (linear) speed from diameter and rpm
Open Calculator →Impeller Reynolds number for stirred tanks
Open Calculator →Average residence time from volume and flow rate
Open Calculator →RTD mean & variance for ideal CSTR / PFR models
Open Calculator →Rotor-stator average shear rate γ̇ = v / gap
Open Calculator →Shear stress from shear rate and viscosity τ = μγ̇
Open Calculator →Np = P / (ρN³D⁵), dimensionless mixing power
Open Calculator →Turbulent blend time via Grenville correlation
Open Calculator →Batch blend time from target turnovers
Open Calculator →Turnovers per hour from pump flow and tank volume
Open Calculator →General flow velocity v = Q / A
Open Calculator →Pipe flow velocity from flow rate and pipe ID
Open Calculator →Flow rate from velocity and pipe ID: Q = vA
Open Calculator →Required pipe ID for a target velocity
Open Calculator →h = v²/2g and dynamic pressure ΔP = ρv²/2
Open Calculator →Darcy-Weisbach pipe friction loss
Open Calculator →Total drop from element count and loss coefficient
Open Calculator →Hydraulic and brake power with pump efficiency
Open Calculator →Required motor power from shaft power, SF and efficiency
Open Calculator →Required brake power/horsepower by SG and efficiency
Open Calculator →Vertical cylindrical tank volume (with optional cone bottom)
Open Calculator →Internal volume from pipe ID and length
Open Calculator →Dynamic and kinematic viscosity unit conversion
Open Calculator →Length, mass, flow rate and power unit conversion
Open Calculator →kg/m³, g/cm³, lb/ft³ and specific gravity
Open Calculator →Celsius, Fahrenheit, and Kelvin conversion
Open Calculator →Pa, kPa, bar, psi and atm conversion
Open Calculator →Liquid volume required to fully wet a powder batch
Open Calculator →Required feed rate for a target dosing time
Open Calculator →Required circulation flow for target turnovers & time
Open Calculator →Time for one full loop pass
Open Calculator →Total number of tank turns over a full batch
Open Calculator →Total energy input E = P×t
Open Calculator →Energy intensity in kWh/m³
Open Calculator →Specific shear energy from stress, rate and time
Open Calculator →Reynolds number, turbulence intensity & length scale
Open Calculator →Smallest turbulent eddy length, time & velocity scales
Open Calculator →Da = k·τ_mix, reaction rate vs. mixing rate
Open Calculator →Pe = vL/D, convective vs. diffusive transport
Open Calculator →Fr = N²D/g, surface vortex severity in stirred tanks
Open Calculator →We = ρv²L/σ, inertial vs. surface tension forces
Open Calculator →Eu = ΔP/(ρv²), dimensionless flow resistance
Open Calculator →微信 / WhatsApp：+86 186 5071 2596
中文 
English 
Deutsch 
Français 
Español 
Português 
Русский 
العربية 
Tiếng Việt 
Bahasa Indonesia