title: Ð Ð°ÑÑÐµÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐµÑÐ¸ Ð¸Ð· Ð¿ÐµÑÐ²Ð¾Ð³Ð¾ ÐºÐ¾Ð½ÑÑÑÐ° Ð²Ð¾ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð² ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ ÑÐ°Ð·ÑÑÐ²Ð° ÑÐµÐ¿Ð»Ð¾Ð¾Ð±Ð¼ÐµÐ½Ð½ÑÑ ÑÑÑÐ±Ð¾Ðº Ð¿Ð°ÑÐ¾Ð³ÐµÐ½ÐµÑÐ°ÑÐ¾ÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° ÑÐ¿ÐµÑÐ¸Ð°Ð»Ð¸ÑÑÐ°
titleType: Subtitle
title: Design analysis of a leak from the primary circuit to the second as a result of rupture of the heat exchange tubes of the steam generator
Creators: name: Ð Ð°ÑÐ½Ð¸ÐºÐ¾Ð²Ð°, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: ÐÑÐ¾Ð¼Ð½ÑÐµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐ°Ð½ÑÐ¸Ð¸
ÐÐ°ÑÐ¾Ð²ÑÐµ ÐºÐ¾ÑÐ»Ñ
ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
ÑÐ°ÑÑÐµÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð·
ÑÐµÑÑ ÑÐµÐ¿Ð»Ð¾Ð½Ð¾ÑÐ¸ÑÐµÐ»Ñ
ÑÑÐ½ÐºÑÐ¸Ð¸ Ð±ÐµÐ·Ð¾Ð¿Ð°ÑÐ½Ð¾ÑÑÐ¸
design analysis
coolant leak
safety functions

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description: This work is devoted to conducting a computational analysis of coolant leakage from the primary circuit to the secondary circuit, taking into account options for up-grading the safety function for further use of the results as part of the assessment of radiation consequences by employees of the organization. Problems that were solved during the study: - finding the number of broken SG heat exchange tubes leading to an uncom-pensated leak from the primary circuit to the second; - the mass of the primary coolant that will flow into the second, taking into ac-count the modernization of the safety function. For modeling, the software and hardware complex âVirtual Power Unitâ was used - this is a complex mathematical model of a specific power unit, which was cre-ated on the basis of the calculation software âVirtual NPPâ. The results of the work are applicable to power units designed on the basis of the solutions of the AES-2006 project. Based on the results of the study, it was established that a leak from the 1st circuit to the 2nd circuit when even one SG heat exchange tube ruptures is not compensable in terms of the volume of primary circuit coolant flowing into the leak. Thus, provided that the activation of the CD13 safety function by the gamma background is not taken into account, a sufficiently large volume of steam with radioactive isotopes will enter the turbine.