Pulsed illumination, closed circuit television system for real‐time viewing of unsteady (≳1 μs) events

Abstract
A pulsed illumination closed circuit television system is described whereby fast (times < 3000 pictures/s); real-time observation and recording of chamber events at any crankangle; real-time observation and recording of the effects of changes in the engine variables (speed, load, spark timing, injection pressure and duration, chamber swirl, etc.) on the combustion events; real-time observation and recording of ensemble averages and cycle-to-cycle variations. The technique also eliminates the delays and unknowns of film processing. Finally, the cost of this system is similar to that of a high-speed camera.

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