Question

What is the value of the constant on the right hand side of Bernoulli equation?

Answer 1

It does not violate mass conservation. As @Time4Tea suggested, p1 will have a contribution of the form hρg. Let us consider the simple situation 

Answer 2

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✔️✔️Never

used that constant in solving problems. In the questions in my book, I just equate 

P1+12pv21+pgh1P1+12pv12+pgh1 to P2+12pv22+pgh2P2+12pv22+pgh2 to get the unknowns. But what is the value of the constant P+pgh+12pv2P+pgh+12pv2.

Is it a universal constant for ideal fluids or does it depend on something like dimensions of the tube or velocity of the liquid or nature of the liquid,etc?


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