Article

Received 12.02.2025

Revised 03.06.2025

Accepted 24.06.2025

Retrieved from Iss. 117, P. 2, 2025

Pages 312 -329

Onyshchenko, A., Ostroverkh, B., Chyzhenko, N., Aksonov, S., & Moshkivskyi, R. (2025). METHOD OF ASSESSMENT OF LIQUID MASS LEAKAGE IN THE PIPELINE DURING OPERATION. Automobile Roads and Road Construction, (117.2), 312-329. https://doi.org/10.33744/0365-8171-2025-117.2-312-329

METHOD OF ASSESSMENT OF LIQUID MASS LEAKAGE IN THE PIPELINE DURING OPERATION

Artur Onyshchenko Borys Ostroverkh Nataliia Chyzhenko Sergii Aksonov Roman Moshkivskyi

During the development of the documents stipulated by the Law of Ukraine "On Objects of Increased Danger" there was a need to calculate the amount of ammonia that can take part in an emergency situation during an accident on the linear part of the ammonia pipeline. Regulatory documents provide for the consideration of the case of an emergency situation with a guillotine rupture of the pipeline. The total mass of the hazardous substance involved in the accident is calculated as the total mass contained in the linear part of the pipeline between two shut-off devices and the total mass that can be released during the time established to detect the leakage of the substance and implement the closure of the shut-off devices. It is necessary to calculate the mass of ammonia that can be released in the forward and reverse direction during the time established to detect the leakage of the substance and implement the closing of the shut-off devices. The total mass of the hazardous substance after the accident of the section of the ammonia pipeline was determined as the total mass in the linear part of the pipeline between two shut-off devices, and the total mass that can be released during the time established to detect the leakage of the substance and implement the closure of the shut-off devices according to the guillotine gap scheme

ammonia pipeline accidents, guillotine rupture, thermohydrodynamic flow theory, hydraulic approximation
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https://doi.org/10.33744/0365-8171-2025-117.2-312-329