| Paper |
Title |
Page |
| TUPC128 |
Air Temperature Analysis and Control Improvement for the EPU 5.6 at TLS
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1368 |
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- J.-C. Chang, Y.-C. Chung, C.-Y. Liu, Z.-D. Tsai
NSRRC, Hsinchu
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This paper presents the air temperature analysis and control improvement for area of the elliptically polarizing undulator EPU 5.6 in the Taiwan Light Source (TLS). To enhance uniformity of ambient air temperature, we applied mini environmental controls and installed five cross flow fans in this area. Eight temperature sensors were installed around the EPU to monitor temperature variation. We also simulated the flow field and temperature distribution in this area by using a computational fluid dynamics (CFD) code. The simulation results were validated by comparing to measured data. The temperature variation along time and spatial temperature differences were controlled within 0.1 degree C and 0.5 degree C, respectively.
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