Wszystkie pola: high-pressure gas pipeline - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Calculation of critical forces accompanying the installation of a high‑pressure gas pipeline in Mrzygłód, with trenchless HDD technology
Autorzy:: Ziaja, Jan
Janicki, Jacek
Walczak, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/1403641.pdf
Data publikacji:: 2019
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: trenchless technology
Horizontal Directional Drilling
HDD
Opis:: The basic element providing the safety of HDD drilling jobs is properly selected pull force and torque. They also have an effect on the time of the realization of the wellbore and the cost of the investment. The professional literature offers a number of algorithms according to which the theoretically maximal installation force can be calculated. The calculated installation force values are presented in this paper, referring to some of the procedures used globally, and compared with the actual force encountered in practice. Real geological and drilling conditions are accounted for in the calculations. They are juxtaposed with the real forces recorded while installing a DN 1000, MOP 8.4 MPa gas pipeline. The discrepancies in the analytical results are explained. The paper closes with some conclusions and recommendations.
Źródło:: AGH Drilling, Oil, Gas; 2019, 36, 4; 5-14
2299-4157
2300-7052
Pojawia się w:: AGH Drilling, Oil, Gas
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Impact of hydrogen blended natural gas on linepack energy for existing high pressure pipelines
Autorzy:: Witek, Maciej
Uilhoorn, Ferdinand
Powiązania:: https://bibliotekanauki.pl/articles/2134929.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: existing steel pipeline
hydrogen blended natural gas
hydrogen percentage
content
linepack energy
Opis:: The aim of this work is to examine the impact of the hydrogen blended natural gas on the linepack energy under emergency scenarios of the pipeline operation. Production of hydrogen from renewable energy sources through electrolysis and subsequently injecting it into the natural gas network, gives flexibility in power grid regulation and the energy storage. In this context, knowledge about the hydrogen percentage content, which can safely effect on materials in a long time steel pipeline service during transport of the hydrogen-natural gas mixture, is essential for operators of a transmission network. This paper first reviews the allowable content of hydrogen that can be blended with natural gas in existing pipeline systems, and then investigates the impact on linepack energy with both startup and shutdown of the compressors scenarios. In the latter case, an unsteady gas flow model is used. To avoid spurious oscillations in the solution domain, a flux limiter is applied for the numerical approximation. The GERG-2008 equation of state is used to calculate the physical properties. For the case study, a tree-topological high pressure gas network, which have been inservice for many years, is selected. The outcomes are valuable for pipeline operators to assess the security of supply.
Źródło:: Archives of Thermodynamics; 2022, 43, 3; 111--124
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Evaluation of the High-Pressure Gas Transmission Network Impact for Environmental – Construction Phase and Network Operation
Autorzy:: Kwast-Kotlarek, Urszula
Hełdak, Maria
Jawecki, Bartosz
Powiązania:: https://bibliotekanauki.pl/articles/123310.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: pipeline
investment
environmental impact assessment
Opis:: This thesis pertains to the influence of underground technical infrastructure during the construction phase on the selected components of the natural environment. The subject of research is the DN1000 MOP 8.4 MPa high pressure gas transmission system, realized in Poland from ZZU Wierzchowice till Kiełczów node. Studies identified the impacts on particular components of the environment, including land surface, plants, animals, biodiversity, air, water resources and quality, landscape and acoustic climate. An assessment was made on the impact, scale, frequency, duration or the influence type in the two stages of the investment process. It was found that the stage of DN1000 gas pipelines caused a significant change in the prevailing balance of the natural environment in the assembly area mainly due to soil transformation and vegetation removal as assessed as long-term. The impact on other components analysed in terms of frequency is usually medium-term or short-term, and in terms of duration – momentary. During the operation of the gas pipeline, the negative impact of the network was strongly determined in relation to the forested areas and forests, where the negative impact was recorded not only during the implementation of the network but also in the phase of its use.
Źródło:: Journal of Ecological Engineering; 2019, 20, 11; 122-132
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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