2015/3/17 · Step 3: Determine Blowdown Properties and Mass Flow. Using the calculated feedwater mass flow and blowdown rate: Blowdown Mass Flow = Feedwater Mass Flow * Blowdown Rate. [ Blowdown Mass Flow = 1.9 klb/hr = 86.7 klb/hr * 0.022 ] Using the Steam Property Calculator, properties are determined using Steam Pressure and Quality = 0 (Saturated Liquid).
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