Demos by PIRA

4F10 Entropy


  4F10.20Black balls and white balls in a box are shaken.
  4F10.20Ball race: Five different balls heated and placed on paraffin sheet.
  4F10.30A vortex tube seperates compressed air into jets of hot and cold air.

4F30 Heat Cycles


  4F30.10Operating Sterling cycle engine, gas powered.
  4F30.10Operating Sterling cycle engine, hot water powered.
  4F30.50Engine models: Steam, 4-cycle Otto.
  4F30.95Carnot cycle models: Piston/cylinder, PVT surface.