lecture+4++nonconstant+flow+rate (1)

# lecture+4++nonconstant+flow+rate (1) - RT P P P P in in in...

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Relieve Constant Inlet Mass Flow Rate The volumetric flow rate into the tank is directly proportional to the difference between the line pressure and the tank pressure to the 2/3 power. Hence, we write the inlet flow rate as 2 3 / in in Q ( P P ) α = - Substitute into the mass balance: 2 3 / in in in in VM dP Q ( P P ) RT dt ρ ρ α = = - Result (sep of variables) t P P VM

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Unformatted text preview: RT P P P P in in in in αρ 3 / 5 3 / 5 ) ( 3 5 1--= --Problem Solving Approach 1. Read and think 2. Draw a diagram and label 3. Choose CV(s) (and later basis) 4. Apply balance(s) 5. Incorporate constitutive information 6. Solve quantitatively NB Do not start at step 5!!!!...
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lecture+4++nonconstant+flow+rate (1) - RT P P P P in in in...

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