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💧 Fluid Dynamics Lab

💧 Fluid Dynamics

Pipe Geometry

Section Analysis

Section 1
v = 1.273 m/s
P = 0.00 kPa
Re = 127324turbulent
Section 2
v = 5.093 m/s
P = -12.16 kPa
Re = 254648turbulent
Section 3
v = 1.273 m/s
P = 0.00 kPa
Re = 127324turbulent

Bernoulli's Equation

P + 0.5·ρ·v² + ρ·g·h = constant. Continuity: A₁v₁ = A₂v₂. Reynolds number Re = ρvD/μ determines flow regime: laminar (Re < 2000), transitional (2000-4000), turbulent (Re > 4000).

Model limits: incompressible steady flow, equal elevation, rigid circular pipes, and no pump, valve, entrance, or bend losses. Parallel allocation uses the laminar Hagen–Poiseuille relation over 1 m; treat results marked transitional or turbulent as qualitative only.

Fluid Dynamics Simulator — Bernoulli & Venturi Effect

This fluid dynamics simulator models flow through a three-section pipe with configurable diameters and five fluid choices: water, SAE 30 oil, air, mercury, and honey. Colored particles flow at speeds set by the continuity equation, and a pressure heatmap highlights the Venturi effect as pipe diameter changes. Per-section readouts show velocity (m/s), pressure (kPa), and Reynolds number with laminar/turbulent classification. Presets include Garden Hose, Venturi Meter, Aortic Stenosis, and Wind Tunnel.

What you can do in this simulation

  • Select from 5 fluids: Water, Oil (SAE 30), Air, Mercury, Honey
  • Adjust flow rate and three independent pipe section diameters
  • Toggle pressure heatmap to visualize Venturi pressure drops
  • Read velocity, pressure, and Reynolds number per pipe section
  • Try presets for garden hose, venturi meter, aortic stenosis, and wind tunnel

Concepts covered

Bernoulli's principle · continuity equation · Venturi effect · Reynolds number · fluid viscosity · laminar and turbulent flow

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