Geotherm EM

Moscow, Russia

Geotherm EM

Moscow, Russia
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Tomarov G.V.,Geotherm EM | Povarov V.P.,Novovoronezh Nuclear Power Plant | Shipkov A.A.,Geotherm EM | Gromov A.F.,Novovoronezh Nuclear Power Plant | And 2 more authors.
Thermal Engineering (English translation of Teploenergetika) | Year: 2015

Matters concerned with making efficient use of the information–analytical system on the flow- accelerated corrosion problem in setting up in-service examination of the metal of pipeline elements operating in the secondary coolant circuit of the VVER-440-based power units at the Novovoronezh NPP are considered. The principles used to select samples of pipeline elements in planning ultrasonic thickness measurements for timely revealing metal thinning due to flow-accelerated corrosion along with reducing the total amount of measurements in the condensate-feedwater path are discussed. © Pleiades Publishing, Inc., 2015.


Tomarov G.V.,Geotherm EM | Shipkov A.A.,Geotherm EM
ARPN Journal of Engineering and Applied Sciences | Year: 2016

The operation of geothermal turbine plants is followed by a damage of working surfaces of metal and a formation of deposits in a ductal part. It leads to the destruction of power equipment's elements, and also to the deceleration of turbines' power and to the electric power generation at the geothermal power plant. A change of physical and chemical properties of the geothermal heat carrier by the means of the surface-active substances' additives allows solving the problems mentioned above substantially. The developed criteria of a choice of the kind of surface-active substances provide the greatest efficiency of their application for the prevention of damages and formation of sediments in geothermal turbine plants. It is established on a criteria basis that the introduction of additives of a helamin to the geothermal heat carrier is a perspective way of the increase of geothermal turbine plants' reliability and efficiency of operation. © 2006-2016 Asian Research Publishing Network (ARPN).


Tomarov G.V.,Geotherm EM | Povarov V.P.,Novovoronezh Nuclear Power Plant | Shipkov A.A.,Geotherm EM | Gromov A.F.,Novovoronezh Nuclear Power Plant | And 3 more authors.
Thermal Engineering (English translation of Teploenergetika) | Year: 2015

Specific features relating to development of the information-analytical system on the problem of flow-accelerated corrosion of pipeline elements in the secondary coolant circuit of the VVER-440-based power units at the Novovoronezh nuclear power plant are considered. The results from a statistical analysis of data on the quantity, location, and operating conditions of the elements and preinserted segments of pipelines used in the condensate-feedwater and wet steam paths are presented. The principles of preparing and using the information-analytical system for determining the lifetime to reaching inadmissible wall thinning in elements of pipelines used in the secondary coolant circuit of the VVER-440-based power units at the Novovoronezh NPP are considered. © 2015, Pleiades Publishing, Inc.

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