Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Jarosław Joostberens"'
Publikováno v:
Applied System Innovation, Vol 7, Iss 5, p 82 (2024)
This article presents the results of research on the energy security index in Poland. Since the development of renewable energy sources forced by the transformation of the national energy system will require an increased supply of rare earth elements
Externí odkaz:
https://doaj.org/article/1978f1a4a81a4a568edac21b8dc31e09
Publikováno v:
Energies, Vol 17, Iss 16, p 4133 (2024)
This article presents the results of an analysis aimed at verifying the relationship between the implementation of SDG Goal 7 and the use of clean coal technologies in Poland. Clean coal technologies in the United Nations plans will constitute a cruc
Externí odkaz:
https://doaj.org/article/d02e3af576aa41d6a5c3e0a777459574
Publikováno v:
Energies, Vol 17, Iss 12, p 2892 (2024)
The article presents research on the synergistic impact of clean coal technologies and renewable energy sources on the energy mix in Poland. The main causes of problems that inhibit the development of renewable energy sources and ways to eliminate th
Externí odkaz:
https://doaj.org/article/810be8bf8c7b487abc4524eca26c7858
Publikováno v:
Energies, Vol 17, Iss 6, p 1394 (2024)
This article presents research results on the share of coal in the energy mix and the impact of clean coal technologies on Poland’s energy mix. Two mathematical models were utilised: the Boltzmann sigmoidal curve and a supervised machine learning m
Externí odkaz:
https://doaj.org/article/d7bc2adf15bb46a390ccce7b479324e8
Publikováno v:
Energies, Vol 15, Iss 21, p 7926 (2022)
For various sorts of hard coal, enrichment by flotation is used for feed consisting of grains smaller than 0.5 mm. Regarding process automation, coal flotation is a multidimensional, dynamic nonlinear object of control, for which the main control sig
Externí odkaz:
https://doaj.org/article/517bedb2edac49eb908d5c747f742c96
Proposal for an Improvement of Hard Coal Enrichment Accuracy in Systems with Secondary Beneficiation
Publikováno v:
Energies, Vol 15, Iss 18, p 6674 (2022)
There are various ways to improve the accuracy of hard coal enrichment. This article discusses the possibility of improving the accuracy of beneficiation by using the same enrichment machines located in the processing plant, introducing only the mult
Externí odkaz:
https://doaj.org/article/d93e186258d7478fafcc5bbfbe6897ea
Publikováno v:
Energies, Vol 15, Iss 14, p 5082 (2022)
The article presents a cluster analysis of the EU-27 countries. The clusters were built to identify groups of countries similar to each other in relation to the set of Eurostat indicators from the Climate Change Drivers and Environment and Energy sec
Externí odkaz:
https://doaj.org/article/a2465a8658b1453b92e93f6d5960916f
Publikováno v:
Energies, Vol 15, Iss 12, p 4465 (2022)
The research presented in the article was aimed at verifying the effectiveness of environmental taxes in reducing the level of greenhouse gas emissions. For this purpose, data provided by Eurostat in the environmental taxes category were used. They w
Externí odkaz:
https://doaj.org/article/dc7066cb41c6464b88d0a4d32dc08e73
Publikováno v:
Energies, Vol 14, Iss 24, p 8587 (2021)
The flow rate of solids is subject to random disturbances of the changing feed and can significantly affect the quantitative and qualitative parameters of the coal flotation products. This quantity can be described as a stochastic process. The paper
Externí odkaz:
https://doaj.org/article/9d947e980aa24cbaacf5b04efd715b7a
Publikováno v:
Energies, Vol 14, Iss 9, p 2384 (2021)
A method for assessing the operation of analog filters installed in the measuring paths of current and voltage converters in the power supply system of a mining machine motor, using the example of the driving unit of a roadheader’s cutterhead, is p
Externí odkaz:
https://doaj.org/article/ba8e1a67f02a4857ac08f4cbe9dfbd75