... designed to change the direction of motion of the steam, and, in the reaction steam turbine, the pressure of the steam. Because the linear speed of the blade increases with the radius, warpedtwisted ... Transactions of the American Society of Mechanical Engineers, vol. 66, (1 944 ), pp. 351–71Whittle, F. The early history of the Whittle jet propulsion gas turbine’, Proceedings of the Institution of Mechanical ... characteristic of the Carnot cycle.A particular feature of the Stirling engine is the use of two cylinders andtwo pistons. One of these, the displacer piston, serves to transfer the workingsubstance...