A keel cooler is a type of internal combustion engine cooling system used in marine engines.

In this system, engine coolant is circulated through a system of tubing outside the vessel's hull, using the lower temperature of seawater to reduce the coolant temperature via heat exchange before it is recirculated through the engine.[1] Simpler designs take the form of a tank within the hull adjacent to the vessel's hull plating.[1] For maximum efficiency, manufacturers design keel coolers with baffles and others means of slowing and disrupting the flow of coolant and/or seawater in order to maximize heat transfer.[2]

References

  1. 1 2 Nicolson, Richard; Nicolson, Ian (2014). The Boat Data Book: 7th Edition. A&C Black. p. 113. ISBN 978-1472907974.
  2. ↑ "More efficient keel coolers changing the game". Workboat. 28 February 2017. Retrieved 29 November 2017.
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