Long Term Cooling Flashcards
1
Q
Six methods for providing alt AFW supplies
Benefits…..
Weaknesses…….
A
-FWST->AFW suction(gravity fed, min valve, relatively clean water, class 1 components)
-Raw water reservoir->AFW(gravity fed, min valve, relatively clean water)
-MUW Xfr Tnk->AFW(class 1 components, requires vital power to MUW Xfr pumps)
-refill FWST using cond. hotwell (diesel driven portable pump)(long time establish)/ using RWR/ using ASW
……..
2
Q
Purpose, design of long term cooling system?
A
- maintain plant in HSBY long term(CST runs out)
(Provide, long term heat sink/ core heat removal)
-alt means c/d if RHR not avail