Перегляд по Автору "Tymchenko, Svitlana"
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Elaborating a scheme for mine methane capturing while developing coal gas seams
Koroviaka, Yevhenii; Pinka, Jan; Tymchenko, Svitlana; Rastsvietaiev, Valerii; Astakhov, Vitalii; Dmytruk, Olena (National Mining University, 2020-09-30)Purpose is to substantiate and develop an efficient scheme of coalmine methane capture while preparing and developing gassy coal seams. Methods. Critical analysis of literature sources has been carried out; practice of ... -
Mathematical model to optimize drilling-and-blasting operations in the process of open-pit hard rock mining
Shcherbakov, Petro; Tymchenko, Svitlana; Bitimbayev, Marat; Sarybayev, Nurzhigit; Moldabayev, Serik (Dnipro University of Technology, 2021-06-30)Purpose is to determine a function of the reduced expenditures connected with drilling-and-blasting operations, loading and hauling operations, and rock fragmentation depending upon the cost of machine-shift of the applied ...