4/2022
INFORMATIVE ARTICLES
- European Methane Legislation
- Demand for LNG/LBG Back-up Systems on the Rise in the Czech Republic
- Underground Gas Storage Facilities in the Czech Republic and Their Operation in 2022
- GasNet Boosting Security on All Fronts
- GasNet Connects the Biomethane Plant in Litomyšl to Its Network
- The REPowerEU Plan for the Transformation of the European Energy System
- A Comparison of Emissions from Road Traffic by Fuel Used
- The International Gas Union (IGU) from the Perspective of Gas Distribution
- Outputs from the 2022 Energy Sector conference
- Looking into History
- Other Periodicals
- In Brief…
- CNG Motoring
THE CGA‘S ACTIVITIES
- The 2022 Autumn Gas Conference —The Gas Industry’s Potential Is Irreplaceable for the Future
- The Development of the Rules for Practice and Technical Standards in 2023
- The 30th Corrosion Protection of Buried Structures Workshop
- The Gas Mobility Day 2022
TECHNICAL ARTICLES
Determination of the Gas Quantity Escaped in an Accident on a High-pressure Gas Pipeline
Libor Čapla, Václav Koza, Oldřich Kolář, František Humhal
Summary: The gas quantity that escapes from a gas pipeline due to damage thereto can be determined using a large number of theoretical and empirical formulae that more or less describe non-stationary flows of compressible fluids. The uncertainty inherent in each of the methods is usually directly proportional to its complexity and demands for input parameters. This contribution outlines our attempt at comparing the results of three methods employed in the case of a real-life accident on a high-pressure gas pipeline. The three methods were: one based on a sophisticated mathematical model in a dynamic mode, an empirical method under TDG 903 01, and a statistical method based on data collected from normal off-takes in the place of the accident, i.e. at the points of the TSO’s/DSOs’ closest regulating and delivery stations. The results of all three methods employed can be aligned when the input data are correct.
Key words: Gas pipeline accident, gas escape from pipeline, natural gas
Monitoring Recent Amendments to the Energy Act
Jana Osadská
Summary: The ambition of this contribution is to provide gas experts with a summary of the Energy Act amendments passed in 2022. It primarily discusses the new features of this law, specifically UIOLI (use it or lose it), emergencies in the gas industry, and extraordinary market situations.
Key words: Energy Act, UIOLI, extraordinary market situation, price capping
