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A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller (axial-flow pump), a centrifugal pump, or a mixed flow pump which is a combination of both centrifugal and axial designs. The design also incorporates an intake to provide water to the pump and ...
Materials commonly cut with a water jet include textiles, rubber, foam, plastics, leather, composites, stone, tile, glass, metals, food, paper and much more. [46] "Most ceramics can also be cut on an abrasive water jet as long as the material is softer than the abrasive being used (between 7.5 and 8.5 on the Mohs scale)". [47]
A pump-jet, hydrojet, water jet, or jet drive uses a ducted propeller (axial-flow pump), centrifugal pump, or mixed flow pump to create a jet of water for propulsion. These incorporate an intake for source water and a nozzle to direct its flow out, generating momentum, and in most cases, employing thrust vectoring to steer the craft.
The project is one of the largest hydroelectric systems in the world. It has cost upwards of US$20 billion to build [citation needed] and has an installed generating capacity of 15.244 GW, at the cost of 7,000 square miles of Cree hunting lands. [1] It has been built since 1974 by James Bay Energy (SDBJ) for Hydro-Québec.
This page was last edited on 24 November 2004, at 05:13 (UTC).; Text is available under the
Key takeaways. The price of a private jet ranges from less than $1 million to $660 million. How much you’ll spend on a jet depends on various factors, including whether you choose to lease or ...
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