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DIMENSIONING OF HAZARDOUS ZONES RESULTING FROM THE RELEASE OF LNG AS A FUNCTION OF THE TYPE OF PLACE OF OCCURRED UNSEALING AND UNSEALING SCENARIO

Agnieszka Kalbarczyk-Jedynak

Abstract

Increasing demand for new energy sources requires the use of new substances in the production of energy or at least innovative application of the already known compounds. Considering the above, LNG (Liquefied Natural Gas) is more and more often used as fuel, as the growing pollution of the environment and rapid climate changes force the reduction of emissions of sulphur and nitrogen oxides to the environment. Liquid methane no longer contains sulphur oxides in any form because they are removed during the gas methane liquefaction process. In view of the above, this type of fuel is perceived as a good alternative to classical fuels used in maritime transport. Especially due to the fact that, in accordance with the guidelines of the white paper prepared at the request of the-then Trans-European Transport Network Executive Agency (TEN-T EA), 30% of road transport at distances greater than 300 [km] will have been replaced by rail and sea transport by 2030. Additionally, a network of gas bunkering points for sea vessels will have been established by 2025. This proves the growing demand for new sources of clean energy, which will reduce the emission of sulphur oxides or nitrogen oxides to the environment. The article presents the effect of the type of unsealing, the method of release and the type of place of spreading the gas cloud resulting from the release of LNG from the Q-flex container vessel. The article presents the simulation of scenarios for immediate and continuous leaks of LNG in the case of unsealing created above the water and ground level.

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DOI resolver: doi.org/10.5593/sgem2019/1.2/s06.098

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