DIII-D RESEARCH OPPORTUNITIES FORUM FOR THE 2008 EXPERIMENTAL CAMPAIGN
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| Title | 144: Resolve deviations between the measured and the EFIT predicted strike point position | ||
| Name: | Oliver Schmitz ( |
Affiliation: | FZ Juelich |
| Research Area: | Model based Control | Presentation time: | Not requested | Co-Author(s): | M. Jakubowski (MPI Greifswald) |
| Description: | Compare EFIT prediction for the SP position with measured data. | ||
| Experimental Approach/Plan: | Do pol. div. H-mode plasmas for different shapes (in particlular the ISS applied in ELM control experiments) and sweep the SP for continous comparison. Also do some of the sweep steps static to see if there is a difference. | ||
| Background: | During the application of the fast framing IR camrea from TEXTOR and the DiMES camera with view perpendicular to the 45 deg tile, a deviation of the strike point location seen in the camera pictures from the EFIT prediction was recognized. This deviation ranges between a few milimeters to 2-3 cm. Similar observations were made with LP data from the divertor during strike point sweeping. This has strong implications for the magnetic modelling and therefore for the code benchmark and deduced messages from the comparison of modeling/experiment. | ||
| Resource Requirements: | sweep of OSP and ISP, ISS H-mode requirements | ||
| Diagnostic Requirements: | LP target, DiMES TV observing ISP and OSP simultaneousely, tanTV lower divertor cameras, IR cameras and fast framing TEXTOR IR would be very desirable | ||
| Analysis Requirements: | EFIT team support, kinetic EFITs for higher accuracy, post experiment TRIP-3D to compare | ||
| Other Requirements: | -- | ||
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