Geodesic
Sensitivity analysis of the first circuit of cold channel pipeline rupture size for WWER 440/270 reactor
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 2 (2016), pp. 57-62.

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This calculation describes an accident to analyze and study the emergency instructions in case of fracture in the airtight zone of the first circuit. Sensitivity analysis was performed to determine the extent of the fracture, when a high-pressure feeder pump remains $100\ N/cm^2$ higher than the saturation pressure in case of emergency pressure of the circuit (the pressure drop allows the main circulating pumps work). The conventional diameter of the fracture is $29\ mm$ and the schedule of the development of events is given in the study.
Keywords: WWER reactor, high-pressure feeder pump, relap5, pressure compensator. 
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A. D. Hovsepyan. Sensitivity analysis of the first circuit of cold channel pipeline rupture size for WWER 440/270 reactor. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 2 (2016), pp. 57-62. http://geodesic.mathdoc.fr/item/UZERU_2016_2_a9/

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[3] Station Specific Engineering Handbook, 3AW012XE, views.2, International Nuclear Safety Program, 16 March 2003

[4] The Final Validation Report Input Transient Model, 7CW032XE, International Nuclear Safety Program, July 2003

[5] Description of Computer Model of the Armenian Nuclear Power Plant to RELAP5 code, International Nuclear Safety Program

[6] Report on the Initial and Boundary conditions (IBC Report), International Nuclear Safety Program. 9AW013XA

[7] Guidelines for Accident Analysis of WWER Nuclear Power Plants, IAEA-EBPWWER-01, December 1995