🌬️ 공기와 바람

Atmospheric OpticsFour scenes: Rayleigh sky scattering with sunset colours, rainbow arc physics, 22°… Tornado — Vortex SimulationThousands of particles spiral upward in a helical vortex funnel. Control intensity, width,… Wind Turbine SimulatorTune wind speed, blade pitch and rotor diameter and watch power output, tip-speed ratio and… NACA AirfoilNACA 4-digit airfoil generator with thin airfoil theory: Cl, Cd, L/D, Cp distribution and… Paper AirplaneNewThrow a paper airplane and watch it glide with real aerodynamics. Lift, drag and gravity act… Wind TunnelNewPotential-flow streamlines over an aerofoil, cylinder, sphere or flat plate with pressure… Wind FarmNewLay out a turbine array and see how downwind wakes (Jensen/Park model) cut output. Each… Cycling Aerodynamics — Drag, Drafting and PowerNewCalculate aerodynamic drag on a cyclist using CdA. Model drafting behind riders, power… Wind-Driven Seed DispersalNewSamara 'helicopter' seeds and dandelion pappus parachutes drift under turbulent wind;…