Question

In water jet machining, the water jet is issued through a 0.3 mm diameter orifice at a pressure of 400 mpa . the density of water is 1000 kg/m 3 . the coefficient of discharge is 1.0. neglecting all losses during water jet formation through the orifice, the power of the water jet in kw is

Answer 1

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Answer 2

Answer:

25.288

v=√2p/rho=894.42

Q=AV=π/4×d^2 × v=6.322×10^-5

m'=rho×Q=0.063222

P=1/2 ×m'×v^2=25288.72watt

=25.288 Kw