Published 1997 | Version v1
Miscellaneous Metadata-only

Full rate operating time estimation of the spay system in case of different accidents for NPP Kozloduy Units 1 and 2

Creators

  • 1. Energoproekt EAD, Sofia (Bulgaria)

Description

The configuration of the spay system in the NPP Kozloduy Units 1 and 2 specifies the connection between the supply of cooling water for the steam generators and the water temperature in the boron acid tank. When the temperature increase to 650C the spray system automatically switch over to a great-recirculation regime, leading to a half decrease of its efficiency. In this paper a simplified mathematical model is presented, for the determination of the period during which the spray system works at full rate. The results calculated for the beyond-design accidents 'Leak from the primary circuit with D=64 mm' and 'Main steam line break in the steam generator compartment '. (author)

Availability note (English)

Available from the Bulgarian INIS Centre, 69, Shipchenski Prokhod blvd., 1574 Sofia (BG).

Additional details

Additional titles

Original title (Bulgarian)
Otsenka na vremeto prez koeto sprinklernata sistema raboti s pylen kapatsitet pri razlichni avarii. Izsledvane za blokove 1 i 2

Publishing Information

Imprint Pagination
4 p.

Conference

Title
Energy Forum'97.
Dates
11-13 Jun 1997.
Place
Varna (Bulgaria).

INIS

Country of Publication
Bulgaria
Country of Input or Organization
Bulgaria
INIS RN
29012929
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Conference, Non-conventional Literature
Descriptors DEI
CONTAINMENT SPRAY SYSTEMS; KOZLODUY-1 REACTOR; KOZLODUY-2 REACTOR; PRESSURE SUPPRESSION; REACTOR ACCIDENTS; REACTOR COOLING SYSTEMS
Descriptors DEC
ACCIDENTS; CONTAINMENT; CONTAINMENT SYSTEMS; COOLING SYSTEMS; ENGINEERED SAFETY SYSTEMS; ENRICHED URANIUM REACTORS; POWER REACTORS; PWR TYPE REACTORS; REACTOR COMPONENTS; REACTORS; THERMAL REACTORS; WATER COOLED REACTORS; WATER MODERATED REACTORS; WWER TYPE REACTORS

Optional Information

Notes
3 refs., 3 figs., 1 tab.