Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Piotr Kasza"'
Publikováno v:
Energies, Vol 16, Iss 4, p 1662 (2023)
The beginning of 2022 was a time of major changes in the perception of energy availability and security in European countries. The aggression of Russia against Ukraine destabilizing the European energy economy, combined with the withdrawal from fossi
Externí odkaz:
https://doaj.org/article/f89390156ce74bd19e7d234fec6a24cf
Publikováno v:
Energies, Vol 16, Iss 1, p 26 (2022)
The testing of roller rotational resistance is essential in improving and searching for new design solutions to reduce the energy consumption of belt transport. The publication presents three methods of testing idler rotational resistance using vario
Externí odkaz:
https://doaj.org/article/2cf4099a211649169e340721762d7f23
Publikováno v:
Energies, Vol 15, Iss 7, p 2477 (2022)
The Young’s modulus and Poisson’s ratio, parameters reflecting the elastic response of a rock to stress, are the key parameters used in many engineering activities, such as hard coal mining and natural gas extraction. The objective of this paper
Externí odkaz:
https://doaj.org/article/149ae4f882da489d92bf86acb659ac0d
Publikováno v:
Energies, Vol 14, Iss 18, p 5725 (2021)
Hydraulic fracturing (HF) is a well-known stimulation method used to increase production from conventional and unconventional hydrocarbon reservoirs. In recent years, HF has been widely used in Enhanced Geothermal Systems (EGS). HF in EGS is used to
Externí odkaz:
https://doaj.org/article/9e600cdf647745569bcfe913527fe2e0
Publikováno v:
Energies, Vol 14, Iss 6, p 1783 (2021)
In the case of fracturing of the reservoirs using fracturing fluids, the size of damage to the proppant conductivity caused by treatment fluids is significant, which greatly influence the effective execution of hydraulic fracturing operations. The fr
Externí odkaz:
https://doaj.org/article/c14c2c8e3bc04578ac154b1cdbbb4f99
Publikováno v:
Energies, Vol 13, Iss 16, p 4175 (2020)
Nanoemulsions and polymers are widely used for increasing the efficiency of enhanced oil recovery (EOR) processes. The application of both these additives enables the synergistic use of several physical phenomena that are crucial to the process. One
Externí odkaz:
https://doaj.org/article/0b1034de3d3c408a9d8fbc90049e3ae5
Publikováno v:
Nanomaterials, Vol 9, Iss 5, p 766 (2019)
The first objective of this experiment was to improve the stabilization of N2 based foam with nanoparticles as an alternative to typical fracturing fluid, which consists of a gelling agent (HPG—hydroxypropyl guar). The second objective of the proje
Externí odkaz:
https://doaj.org/article/3f3fdf066ed14da69e771134fed8877d
Publikováno v:
Applied Sciences, Vol 9, Iss 11, p 2190 (2019)
This paper concerns the effect of proppant embedment related to hydraulic fracturing treatment. This phenomenon occurs if the strength of a dry reservoir rock is lower than that of proppant grains. The aim of this research was the laboratory determin
Externí odkaz:
https://doaj.org/article/efa35ba85bf24903bfe7f8d3e0d2241d
Publikováno v:
Eksploatacja i Niezawodność – Maintenance and Reliability. 23:94-102
The publication presents the results of measurements of the operating parameters of the drum drive of a belt conveyor operating in a copper ore mine. The laboratory and industrial tests of belt conveyor components so far have largely focused on idler
Publikováno v:
New Trends in Production Engineering. 3:283-293
The publication presents the evaluation of the effectiveness of belt tensioning systems based on the results of model laboratory tests. The types of tensioning devices most commonly used in industry were selected for testing: winch, gravity, pneumati