Question: Derive Equation 8.19, the orifice equation, by balancing energy between points (I) and (2) in Figure P8.9.2. Initially, assume no energy losses. What does the

Derive Equation 8.19, the orifice equation, by balancing energy between points (I) and (2) in Figure P8.9.2. Initially, assume no energy losses. What does the variable h represent? What does the variable Cd represent?
Derive Equation 8.19, the orifice equation, by balancing energy between

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