Výsledky vyhledávání - "V. Z. Kukhar"

Influence of Hydrogen on the Residual Service Life of a Gas Pipeline in the Maneuvering Mode of Operation

Autor: I. Ya. Dolins’ka, I. P. Shtoiko, V. Z. Kukhar, O. E. Andreikiv

Publikováno v: Materials Science. 51:500-508

We propose a computational model aimed at finding the service life of a gas pipeline containing a surface corrosion crack under the action of long-term pressure discontinuous as a function of time (maneuvering mode of operation) and in the presence o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89a71450a0108c0d4360e9aa04358339
https://doi.org/10.1007/s11003-016-9868-6

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Mathematical Models for Estimating the Residual Life of Plates with Systems of Cracks Under the Action of Long-Term Static Loads, High Temperatures, and Hydrogen

Autor: N. V. Yavors’ka, V. Z. Kukhar, O. E. Andreikiv

Publikováno v: Journal of Mathematical Sciences. 212:121-130

We formulate computational models used to determine the durability of plates with systems of cracks under the action of long-term static loads, high temperatures, and hydrogen-containing environments. These models are based on the first law of thermo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c92c45ec2af1e6e8f99e30cebfb562c0
https://doi.org/10.1007/s10958-015-2653-5

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Propagation of High-Temperature Creep Cracks in Metals Subjected to Neutron Irradiation (A Survey)

Autor: V. Z. Kukhar, І. Ya. Dolins’ka, О. E. Andreikiv

Publikováno v: Materials Science. 51:299-310

We obtain a new equation for finding the rate of propagation of high-temperature creep cracks with regard for the influence of neutron irradiation. By using this equation, we construct a mathematical model for finding the residual life of a plate wea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::804dd0fe03ab706b6b579967eacda853
https://doi.org/10.1007/s11003-015-9843-7

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A mathematical model for determining the lifetime of plates with systems of cracks under long-term static breaking loads and high temperatures

Autor: V. Z. Kukhar, O. E. Andreikiv, I. Ya. Dolins’ka

Publikováno v: Journal of Mathematical Sciences. 192:555-564

We formulate a mathematical model for studying the processes of fracture of plates with systems of cracks under long-term static breaking loads and high temperatures. Using the solutions of this problem, we calculate the residual lifetime of a plate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16f262fbbdd18225f6e8457f9f21ec16
https://doi.org/10.1007/s10958-013-1416-4

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