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cascade system

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cascade system [ka′skād ‚sis·təm]
(mechanical engineering)
A combination of two or more refrigeration systems connected in series to produce extremely low temperatures, with the evaporator of one machine used to cool the condenser of another.


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The pumps are controlled by a bespoke cascade system that constantly monitors vacuum use and automatically turns off individual pumps when a line is not running and re-starts them on demand.
In general, if the desired temperature can easily be achieved in a single-stage machine, it will be more efficient than a cascade system due to irreversibility and losses associated with a large number of components.
Just five weeks ago, the cascade system at the National Trust's Cragside property in Rothbury, Northumberland, began running again for the first time since 1923.
 
 
 
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