Aurel Stodola
Aurel Stodola
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Aurel Stodola

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Aurel Stodola

Aurel Boleslav Stodola (11 May 1859 – 25 December 1942) was a Slovak engineer, physicist, and inventor. He was a pioneer in the area of technical thermodynamics and its applications and published his book Die Dampfturbine (the steam turbine) in 1903. In addition to the thermodynamic issues involved in turbine design the book discussed aspects of fluid flow, vibration, stress analysis of plates, shells and rotating discs and stress concentrations at holes and fillets. Stodola was a professor of mechanical engineering at the Swiss Polytechnical Institute (now ETH) in Zurich. He maintained friendly contact with Albert Einstein. In 1892, Stodola founded the Laboratory for Energy Conversion.

Aurel Stodola was born in Vrbica-Hušták (now a part of region Liptovský Mikuláš), in the Kingdom of Hungary (now in Slovakia) on 11 May 1859. His father Ondrej Stodola was a leather manufacturer. His mother was Anna (born Kováčová). He was baptized as Aurel Bohuslav, but he used just name Aurel. He was baptized by the famous person of the Slovak emancipation movement, Protestant priest, poet, linguist, and representative of the Slovak national movement in 1840s Michal Miloslav Hodža.

He attended a local primary school in Vrbica, Liptovský Mikuláš. After his first four years, he went to a town called Stráže pod Tatrami (now Poprad) in order to improve his German. There was a strong German speaking community and this practice was very common. He attended secondary education in Levoča, Kežmarok and Košice, where he completed his secondary schooling. He studied on his own as well, especially classics and languages.

In 1876, he moved to Budapest, where he studied two semesters at the Royal Jeseph University in Budapest. He was acknowledged as gifted student and he received a grant. In 1876, he transferred to the Eidgenössische Polytechnische Schule (Federal Polytechnic School), known today as the ETH Zurich. In 1881, he completed his degree in mechanical engineering. After graduation, he went to work in a factory in Budapest for seven months. In 1882/1883, he attended the Technische Hochschule in Charlottenburg (now Technische Universität Berlin).

After this, he volunteered in a technical studio in Paris. He wanted to improve his skills and French, as well. It was important for his future career in Switzerland. After this trip, he began to work in Prague as engineer. He improved his practical engineering and soon became a main engineer.

In 1892, he was appointed Professor of Machine Construction by the Polytechnikum in Zurich. He worked and taught at Polytechnikum until his retirement in 1929. He gave his first lecture on 23 October 1892. Stodola provided stimuli in the development of the curriculum and the construction of the first machine laboratory (now Laboratory for Energy Conversion). It was opened in 1900. He was invited as evaluator to The Exposition Universelle in Paris, during the same year.

He was awarded Swiss citizenship in 1905.

In 1924 he endowed a foundation with the stated aim "to promote the development of mechanical and electro-technical science in the ETH". This foundation still exists today.

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