Controlled Combustion Engines (CCE)

Paper #:
  • 1999-01-0324

Published:
  • 1999-03-01
Citation:
Wolanski, P. and Oppenheim, A., "Controlled Combustion Engines (CCE)," SAE Technical Paper 1999-01-0324, 1999, https://doi.org/10.4271/1999-01-0324.
Pages:
7
Abstract:
The fact that, in our times, the execution of the exothermic process of combustion (‘heat release”) remains virtually uncontrolled is astonishing. Upon an attempt to rationalize this anomaly on historical grounds, technological means to rectify this astounding state of affairs are presented. They are based on the premise that, in the course of this process, the cylinder-piston enclosure is, in effect, a full-fledged chemical reactor. The salient feature of control is then active intervention into chemical reaction by turbulent jets. Principal elements of the control system are, as in any feedback mechanism, (1) sensors, (2) actuators and (3) a governor. The object of the first is to measure the profile of pressure - the useful output of the process. The second consists of a set of turbulent jet generators for injection of fuel and its mixing with air, as well as for ignition. The third is a micro-electronic processor incorporating a sufficiently fast data reduction facility to modulate the execution of the exothermic process in real time of the engine cycle.
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