WATER JETS

Water jet excavator

Development responsibility: UWA

Origin of concept

High pressure water jets are now routinely used for mining and cleaning operations. Relatively small quantities of water can dislodge a greater mass of earth.

A water jet prodder could be useful in reducing the chances of accidental detonation and speeding up prodding work.

 
fluids/waterjets-1-s.jpg

A commercial water jet cleaner operating at 1000 - 4000 psi (7 MPa - 28 MPa) can expose suspect objects in just a few seconds, even in hard ground.

Status (July 1997)

A commercial water jet cleaner was hired for a simulated field demonstration in July 1997. The results in very hard ground were impressive. A 1000 psi unit cleared enough hard packed earth to expose a typical mine in about 15 seconds, consuming about 2 to 3 litres of water.

Now collecting information on the (surprisingly large number) manufacturers in Australia and Western Australia. The cost of a typical unit will be about Au$5,000.

We would welcome collaborators to work on related devices.

We will supply you with reports and working drawings, papers etc., provided you agree to joint publications arising from this.
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All graphics by Demining Research Team. Aug 1998.
Last modified: Dec 1997 by James Trevelyan