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A new high-speed data handling method has been developed by advancing the Rutgers Super Imaging System (SIS) (having four units of infrared digital cameras) in order to capture successive in-cylinder spectral thermal images at high rates from consecutive cycles (HSI-CC). The present HSI-CC method has been made possible by incorporating recent advancements in digital data handling peripheral devices and development of new dedicated computer programs including an MS Window-based operating system (WOS) for the SIS. The SIS-HSI-CC permits simultaneous high-speed imaging of four (4) sets of 64 sequential images (or 128 images) at rates of over 2,000 frames/camera/sec in each cycle, which can be repeated for as many as 150 consecutive cycles. This amounts to a data volume of nearly 400 mega bytes (in 12-bit dynamic resolution) in an experiment.