Dolphin N2 Limited

Nick Owen

Andrew Farquhar Atkins

Anoop Selvaraj

Rhys Pickett

Rob Morgan

The split cycle engine of the present disclosure comprises a compression cylinder () accommodating a compression piston (), a combustion cylinder () accommodating a combustion piston (), a recuperator () arranged to exchange heat between exhaust fluid () from the combustion cylinder and working fluid being supplied from the compression cylinder to the combustion cylinder via a crossover passage (). A controller is configured to control operation of the engine based on an indication of a temperature of at least one of a material of the recuperator and the working fluid in the crossover passage.

Split cycle engine control

A split cycle internal combustion engine comprises a combustion cylinder and a compression cylinder arranged to receive air and compress the air to provide a compressed working fluid to the combustion cylinder for combustion. The compression cylinder is coupled to a water reservoir. The engine further comprises a controller arranged to receive an indication of at least one parameter associated with the engine and/or a fluid associated therewith, and control delivery of the mass of water delivered to the compression cylinder based on the indication of the at least one parameter such that the total mass of water in the compressed working fluid at the end of the compression stroke results in a level of water concentration in the compressed working fluid that is less than a threshold water concentration level.

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Sussex, United Kingdom

Nick Owen