PREOBRAZHENSKY

RUSSIA (see also List of Individuals)

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1.12.1899 Kolodezki/RU -.11.1981 Leningrad/RU

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Nikolai Alekseevich Preobrazhensky was born in Ukraine's Chernigovskaya region. He graduated in 1928 as a hydraulic engineer from the Leningrad Polytechnic Institute LPI, there received the PhD degree in 1940 and was from 1941 a scientific collaborator. Preobrazhensky started his career with the Khazarbakstroy and the Khanstroy hydroelectric schemes. From 1944 to 1957 he headed the Field Research Laboratory of the Leningrad Hydraulic Laboratory VNIIG and then took over as deputy chief engineer and head of the VNIIG scientific-technical Society. In parallel, Preobrazhensky lectured hydraulic engineering at the Leningrad Electrotechnical Institute.

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Preobrazhensky was an expert in hydraulics, in the hydrodynamic interaction between flumes and construction, and of energy dissipators. During his work for the Soviet hydropower complexes, he significantly contributed to the Kahovskaya, the Bratskaya, the Buhtarminskaya and the Irkutsk hydropower schemes. He was a general engineer contributing to all aspects of hydropower engineering. He was awarded the Sign of Honor and the Red Banner of Labor in 1951, in addition to numerous Medals of the Soviet Union. He was also decorated as Excellent Worker of USSR Power Engineering.

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_{Abelev, A.S., Preobrazhensky, N.A., Zhistakov, A.M. (1952). Experimental investigation of combined turbine units in hydropower plants. Izvestiya VNIIG 48: 145-172 (in Russian).}

_{Anonymous (2000). Nikolai Alekseevich Preobrazhensky. Izvestiya VNIIG 236: 6-7. P}

_{Anonymous (1979). 80th birthday of Nikolai Alekseevich Preobrazhensky. Hydrotechnical Construction 13(12): 1253-1254. P}

_{Kumin, D.I., Preobrazhensky, N.A., Yuditsky, G.A. (1954). Model pressure fluctuations on a gallery of dams. Izvestiya VNIIG 52: 79-87 (in Russian).}

_{Melua, A.I. (2001). Preobrazhensky, Nikolai Alekseevich. Energetics of Russia: 300.}

_{Humanistica: Moscow, Saint Petersburg (in Russian). P}

_{Preobrazhensky, N.A. (1948). Roughness elements in river engineering. Izvestiya VNIIG 35: 41-51 (in Russian).}

_{Preobrazhensky, N.A., Yuditsky, G.A. (1955). Pressure fluctuations on sills in the tailwater of hydropower plants. Izvestiya VNIIG 54: 65-77 (in Russian).}

_{Preobrazhensky, N.A., Olisov, V.A. (1958). Induction meter for determination of hydraulic discharge fluctuations for hydraulic structures in natural environment. Izvestiya VNIIG 59: 143-151 (in Russian).}