Encyclopedia > Gotthilf Heinrich Ludwig Hagen

Article Content

Gotthilf Heinrich Ludwig Hagen

Gotthilf Heinrich Ludwig Hagen (March 3, 1797 - February 3, 1884) was a German physicist and hydraulic engineer.

Hagen was born in Königsberg, Brandenburg-Prussia (today Kaliningrad, Russia).

Independentlly of Jean Louis Marie Poiseuille (1797-1869) Hagen in 1839 carried out the first carefully documented friction experiments in low-speed tube laminar flow, from which the Hagen-Poiseuille law has arised.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Islip Terrace, New York

... town has a total area of 3.7 km² (1.4 mi²). 3.7 km² (1.4 mi²) of it is land and none of the area is covered with water. Demographics As of the census ...