HW3Prob3 - Single Phase 12 1 A simple representation of a...

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Unformatted text preview: Single Phase 12 1 A simple representation of a feed train for a two-loop PWR is given below. For the given data, (a) determine the flow rate through each of the feed lines. Note, loss coefficients K 1 and K 3 are referenced to the velocity associated with the combined flow rates. Loss coefficient K 2 is referenced to the velocity in the individual feed pump lines. You may assume all lines are identical. You may also assume friction losses are negligible relative to local (forms) losses. You may assume the cross sectional flow area of all lines are equal. Condensate Pump Feed Pump # 1 Feed Pump # 2 Feed Pump # 3 Feed Control Valve # 1 Feed Control Valve # 2 Feed Lines K = 1.0 K = 0.5 K = 1.0 1 2 3 Problem Data Condenser Pressure 1 psia Condensate Pump P 20 psia Feed Pump P 1100 psia Steam Generator Pressure 1000 psia Flow Area 1.4 ft 2 Feed Control Valve Loss Coefficient 16.4 Fluid Temperature 100 F If one of the feed pumps were to fail, (b) do the remaining two feed pumps have sufficient capacity to meet the flow...
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HW3Prob3 - Single Phase 12 1 A simple representation of a...

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