🌊 Fluid Mechanics
Fluid Mechanics Calculators
Bernoulli equation, pipe diameter sizing, pump head & power, flow through orifices and Reynolds number with flow regime determination.
⚡ Quick answer
INDUGRID provides 5 free Fluid Mechanics engineering calculators for professional use. Bernoulli equation, pipe diameter sizing, pump head & power, flow through orifices and Reynolds number with flow regime determination.
Bernoulli's Equation — Flow in Pipes
Apply Bernoulli's principle to calculate pressure, velocity and elevation changes in pipe systems. F…
P₁/ρg + v₁²/2g + z₁ = P₂/ρg + v₂²/2g + z₂ + h_L [Bernoulli + head loss]
Pipe Diameter Selection
Determine the minimum required pipe internal diameter for a given flow rate and maximum allowable fl…
D = √(4Q / (π × v_max)) [m] where Q = flow in m³/s
Pump Sizing — Head & Power
Calculate total system head and required pump power for centrifugal or positive displacement pumps.…
H_total = H_static + H_friction + H_velocity | P_shaft = ρgQH / (1000 × η)
Flow Through Orifice / Nozzle
Calculate flow rate through an orifice plate, nozzle or sharp-edged hole based on upstream pressure …
Q = Cd × A × √(2 × ΔP / ρ) [m³/s]
Reynolds Number & Flow Regime
Calculate Reynolds number and determine whether flow is laminar or turbulent, with friction factor f…
Re = ρ × v × D / η = v × D / ν | f_laminar = 64/Re | f_turbulent = 0.316/Re^0.25 (Blasius)