Перегляд за автором "Matsuki, Y."

Результати 1-8 з 8

Analysis of the nuclear reactor core of Chernobyl Power Plant for 5 seconds before explosion with three-dimensional spherical space

Matsuki, Y.; Bidyuk, P.I. (Системні дослідження та інформаційні технології, 2016)

This research analyzed the water flow and bubble (void) of nuclear reactor core of Chernobyl Power Plant, for 5 seconds before the explosion, using a mathematical model of two-dimensional spherical coordinates. To solve ...
Curvature coordinates to describe the explosion of Chernobyl’s reactor core in April 1986, using the tensor equations

Matsuki, Y.; Bidyuk, P.I. (Системні дослідження та інформаційні технології, 2017)

This research analyzes the process of the explosion of the reactor core of Chernobyl nuclear plant in April 1986, using the tensor equations. These tensor equations show a movement of a vector in the three dimensional ...
Empirical analysis of Chernobyl nuclear reactor core for 5 seconds before the explosion

Matsuki, Y.; Bidyuk, P.I. (Системні дослідження та інформаційні технології, 2016)

This study uses the methodology of empirical analysis for analyzing the transient mode of the nuclear reactor core, a few second before the explosion at the time of the Chernobyl accident. The parameters were selected from ...
Empirical investigation of the theory of production function, with the data of alloy production in Ukraine

Matsuki, Y.; Bidyuk, P.; Kozyrev, V. (Системні дослідження та інформаційні технології, 2014)

In this research, a mathematical form of production function is investigated, which is a concept of microeconomics theory, with the actual data from the factory in Dnepropetrovsk Region of Ukraine, which produces the alloys ...
Energy security cost as an externality—increased gas import price and economy of Ukraine

Matsuki, Y.; Bidyuk, P.; Kalnytskyi, G.; Gavrish, E. (Системні дослідження та інформаційні технології, 2012)

In this research, the tolerability of the economy of Ukraine for the increase of the gas import price is investigated. The relationship between the economic growth and imported gas price is analyzed, and it was found that ...
Expected effect of environmental investment on market share of oil company

Matsuki, Y.; Bidyuk, P.I.; Danylov, V.J.; Yevtushenko, K.I. (Системні дослідження та інформаційні технології, 2015)

This research is aimed at examining a possibility of using environmental investment as an oil company’s strategy for increasing its market share. The numeric data of environmental investment and share price in oil market ...
External cost as an indicator for sustainable electricity generation system

Matsuki, Y.; Brondzia, О.; Maslukivska, O. (Системні дослідження та інформаційні технології, 2010)

This research applies the Impact Pathway Approach [1] for identifying the external cost for the fossil-fuel electricity production in Ukraine. Using the SimPact Computer Code and Willingness to Pay survey, it calculates ...
Theory, algorithm and condition for aggregating economic benefit and health damages of coal fuelcombustion

Matsuki, Y.; Bidyuk, P.I. (Системні дослідження та інформаційні технології, 2013)

The purpose of the research is to test a possibility of using the theory of utility function in economics theory [1] for aggregating different kinds of variables such as economic benefit and ecological damages of industrial ...

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Перегляд за автором "Matsuki, Y."

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