Thermalhydraulic Safety Characteristics Of CANDU ... - Canteach

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FeedersSpecificationsλ 380 inlet feeders; 380 outletfeedersλ Connects fuel channel to headersλ The flow in each feeder is setaccording to the fuel channelpower (high channel power ==>high feeder flow)λ Inside diameter ranges from 38.1mm to 85.4 mmλ Maximum channel flow: 26.5 kg/s24-May-01 CANDU safety - #4 - Thermalhydraulics.ppt Rev. 0 14
Loop Isolation for LOCA eventsλλλλDuring some accident scenarios, loop isolation is initiated (forexample in LOCA events were a break occurs in the reactorheaders)Isolation of the two separate loops occurs after the loopisolation signal is received (i.e., detection of a LOCA)By separating the two loops from each other, then only half thecore is affected by the breakForced circulation before the pump trips and thermosyphoningafter the pumps trip provide adequate fuel cooling in the intactloop24-May-01 CANDU safety - #4 - Thermalhydraulics.ppt Rev. 0 15
Page 1 and 2: CANDU Safety #4:Thermalhydraulic Sa
Page 3 and 4: λλλλλλλPrimary Heat Transpor
Page 5 and 6: Some Safety Requirements of the PHT
Page 10: PHT Pump & MotorSpecificationsλ Pu
Page 13: SpecificationsλλHeadersInlet Head
Page 18 and 19: Some Safety Requirements of ECCλλ
Page 20 and 21: Pressure and Inventory ControlλλC
Page 22 and 23: CANDU Fuel Channelλλλλλ380 hor

Thermalhydraulic Safety Characteristics Of CANDU ... - Canteach

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