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The SP2000 was first introduced in 1981, a full decade ahead in performance over any other high speed camera. This camera also used a Block Readout sensor with 240 x 192 pixels 8 bits at 12,000 fps. Kodak MASD manufactured a similar high speed camera before the Photron Rabbit called the Kodak SP2000. In order to prevent injury to yourself and others, and to prevent damage to property, carefully observe the following safety precautions.
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Photron manufactured various version of this high-speed camera system ( Photron Rabbit, Kodak HS4540, Photron SE and the Photron FASTCAM Ultima 40K all using the same image sensor) from 1990 to 2006. Refer to the Photron FASTCAM Viewer User’s Manual for additional details on using a PC to control the system. The FASTCAM SE has been used in ballistic studies, airbag design and qualification studies, combustion studies, flow visualization studies such as aerosol dispersion and many other high-speed camera applications. The system could be controlled from a computer through an RS-232 interface sending simple ASCII commands. The camera cable could be up to 15m from the Processor. Ancillary information would be display as OSD (On-Screen-Data). Live video images could be displayed on NTSC or PAL monitors.
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Digital image data could be read from the Processor through a SCSI interface. The FASTCAM SA-5 provides a staggering 7,000 frames per second at maximum resolution (1024×1024 pixels) and reduced resolution operation to one million frames per second, the FASTCAM SA5 delivers unsurpassed light sensitivity of ISO 10000 monochrome and ISO 4000 color.
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And within one block, one half to one fourth of the block can be partially read out. The image sensor is divided into 16 blocks where each block is 256 x 16 pixels. The SE image sensor reads images in blocks which is commonly called a Block Readout sensor. At 4,500 fps and maximum memory, the recording time is 5.46 seconds. The FASTCAM SE processor came with three memory configurations that allowed full frame storage of 8192 images (512 MB), 16,384 images (1GB) or 24,576 images (1.5 GB).
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As an example, 40,500 FPS is achieved with a resolution of 64 x 64 pixels at 8 bits. By reducing the resolution, the frame rate for recording can be increased. The OH PLIF measurement allows for correlation of the flame position with the dominant vortical structures, showing that the leeward flame branch lies slightly above, as well as, in the region between the CVP cores.The FASTCAM SE native resolution is 256 x 256 pixels x 8 bits at 4,500 FPS. The strength and structure of the CVP was quantified with vorticity and swirling strength ( λ ci), showing that some regions of the flow with high shear are not necessarily accompanied by large scale bulk flow rotation and vice-versa. Consistent with other measurements of high momentum flux ratio JICF in nonreacting flows, there is significant asymmetry in strength of the two vortex cores. These results show the clear presence of a CVP in the time averaged flow field, whose trajectory lies below the jet centerline on either side of the centerplane. It was performed to determine the extent to which heat release, and the associated effects of gas expansion and baroclinic vorticity production, impact the structure of the CVP. This paper analyzes the time averaged flow structure of a reacting jet in cross flow (RJICF), emphasizing the structure of the counter-rotating vortex pair (CVP) by using simultaneous tomographic particle image velocimetry (TPIV) and hydroxyl radical planar laser induced fluorescence (OH-PLIF).