40 likes | 187 Views
Mechanical Vibration Modes measured by Piezo Sensors. A1/MHI-05. A2/MHI-06. A4/MHI-09. A3/MHI-07. 4-Cavity Operation in Cryomodule-A. FB/on, Piezo/off, ave. Eacc = 28.4 MV/m. 220Hz. 210Hz. 540Hz. 325Hz. A1/MHI-05. A2/MHI-06. A3/MHI-07. A4/MHI-09. 23.7 MV/m. 25.6 MV/m. 31.1 MV/m.
E N D
Mechanical Vibration Modes measured by Piezo Sensors A1/MHI-05 A2/MHI-06 A4/MHI-09 A3/MHI-07 2011, January 29
4-Cavity Operation in Cryomodule-A FB/on, Piezo/off, ave. Eacc = 28.4 MV/m 220Hz 210Hz 540Hz 325Hz A1/MHI-05 A2/MHI-06 A3/MHI-07 A4/MHI-09 23.7 MV/m 25.6 MV/m 31.1 MV/m 23.0 MV/m 2011, January 29
Mechanical Vibration Modes kicked by Piezo tuner (Low RF Power meas.) Vpiezo = +40V, 1 kHz (1 pulse) C1/AES004 C2/ACC011 179Hz 204Hz 509Hz 345Hz 356Hz 260Hz 245, 252Hz C3/Z108 C4/Z109 322Hz 313Hz 448Hz 436Hz 2011, January 29
4-Cavity Operation in Cryomodule-C FB/on, Piezo/off, ave. Eacc = 22.5 MV/m 204Hz 245Hz 179Hz 260Hz C1/AES004 C2/ACC011 C3/Z108 C4/Z109 24.6 MV/m 21.3 MV/m 16.8 MV/m 27.0 MV/m 2011, January 29