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Wyszukujesz frazę "Piechota-Polanczyk, Aleksandra" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Numerical Simulation of Emergency Release of Liquid Petroleum Gas on a Car Gas Station
Autorzy:
Salamonowicz, Zdzisław
Majder-Łopatka, Malgorzata
Dmochowska, Anna
Piechota-Polańczyk, Aleksandra
Polańczyk, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2069924.pdf
Data publikacji:
2021
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
gas emergency release
liquid petroleum gas
CFD simulation
atmospheric stability class
Opis:
LPG storage tanks may be seriously threatened by a fire coming from nearby fuels or by leakage appearance. The aim of the study was to prepare a three-dimensional model of LPG release on a car gas station under different environmental conditions. CFD simulations of liquid and gas phase release from a tank localized on a car gas station was performed. First, ALOHA software was applied to determine mass flow rate, while Ansys software was used to determine the shape and size of hazardous zone. To reflect real condition atmospheric stability classes were applied. It was observed that for classes A-D the hazardous zone was decreasing. While, for E and F class the range was increased. It was noticed that the location of the leakage affects the extent of the danger zone. For the leaking below the liquid surface analyzed LPG has liquid form. While, for the leaking above the liquid surface analyzed LPG has gas form. Furthermore, for liquid leakage the largest hazard zone of release was observed.
Źródło:
Rocznik Ochrona Środowiska; 2021, 23; 65--77
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heavy Metal Emissions from Linear Sources and Polluted Soil in The Capital City of Poland
Autorzy:
Dmochowska, Anna
Majder-Lopatka, Małgorzata
Salamonowicz, Zdzisław
Piechota-Polanczyk, Aleksandra
Polanczyk, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2069925.pdf
Data publikacji:
2021
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
soil degradation
heavy metals contamination
zinc
lead contamination
nickel contamination
Opis:
Human activities such as transport contribute to the environmental degradation. Therefore, the aim of the study was to determine the level of contamination of soils, from different districts of big cities of central Europe, with heavy metals: zinc, lead, and nickel. The samples were taken from the top, sodded soil layer. Each single sample weigh was about 1 kg taken from 1 m2 measuring station. Soil samples were dried at room temperature. The airborne dry soil was thoroughly mixed and sieved through a 1 mm nylon sieve. The study included analysis of which type of metals is washed out under the influence of abiotic factors (bioavailable forms) and demonstrating how spatial development affects the accumulation of selected heavy metals in the soil. The results indicated that heavy metals emitted to the ground layer of the atmosphere accumulate in the immediate vicinity of communication routes. Moreover, based on the analysis of interrelationships of zinc, lead, and nickel concentrations, it has been shown that there is a common source of their emission to soil. Furthermore, the thesis that the concentration of metals was dependent on the soil reaction was not confirmed.
Źródło:
Rocznik Ochrona Środowiska; 2021, 23; 94--105
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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