THE INFLUENCE OF WATER COMPRESSIBILITY OF THE EFFICIENCY OF A NEW SOLUTION FOR WATER JET CUTTING MACHINE
This paper presents a solution for achieving high pressures specific to water jet cutting machines, using
theory of sonic. The system consists of a generator which transmits pressure waves to a sonic amplifier that can be
mounted directly in the cutting head. Due to high working pressures specific for water jet cutting machine, it was
demonstrated that water compressibility has considerable influences on water flow. In order to determine the
compressibility of water on the jet it was taken into consideration some simplifying assumptions, which allowed
achieving mathematical model for describing the functioning of sonic amplifier.
Key words: water jet, sonic generator, amplifier
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