Jules Dupuit

Arsène Jules Étienne - Juvenal Dupuit ( born May 18, 1804 in Fossano in Italy, † September 5, 1866 in Paris) was a French civil engineer, who is also known in the field of economics. He received in 1843 the Order of the Legion of Honour.

Dupuit was born in a time belonged to France part of Piedmont, returned with his family in 1814 returned to France, where he attended the High School Louis -le- Grand and Saint- Louis at Versailles. Later he studied at the École Polytechnique and the École Nationale des Ponts et Chaussées.

Since 1827 Dupuit worked as an engineer in the province and 1842 was chief engineer for the department of Maine -Loire. In 1850 he was appointed chief engineer of the water supply of the city of Paris.

Dupuit was the first who calculated the cost of public works. After the flood on the Loire in 1846 he turned to the hydraulic engineering to, first in the research of flood flows. From him comes the fountain formula of Dupuit - Thiem, which he published in 1863. It serves as the determination of the Durchlässigkeitsbeiwerts an aquifer from the drop heights in the wells and the amount of water removed.