April 22nd

  • French physician and physiologist who contributed to knowledge of blood circulation through arteries and  experimentally derived an equation describing the laminar flow rate of fluids through narrow tubes
  • Now known as the Hagen- Poiseuille equation because the German engineer Gotthilf Hagen also independently discovered it.
  • It relates the flow rate to the fluid’s viscosity, the pressure drop along the tube, and the radius of the tube.

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