Abstract
The synchronization among the central electrode ignition control system, high-speed schlieren imaging system and pressure data acquisition system inside a constant volume combustion chamber (CVCC) should be accurately controlled in the study of the laminar burning velocity of fuel by spherical expansion flame method in a CVCC. In this paper, the digital delay pulse generator and the high-speed data acquisition card are used to control the synchronization among the abovementioned three systems with the control error in 30 μs, and then the schlieren image of the flame front and the pressure inside a CVCC are captured successfully. These lay a solid foundation for the measurement of laminar burning velocity by constant pressure method (CPM) and constant volume method (CVM).
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