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Radially Polarized Spherical Piezoelectric Acoustic Transducer

Radially Polarized Spherical Piezoelectric Acoustic Transducer. Introduction. This tutorial provides a step-by-step instruction to setup a 3D structural-acoustic interaction problem. Interaction between a vibrating piezoelectric structure with the surrounding fluid media is considered.

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XFEL Tuner

XFEL Tuner. Lorentz Force Detuning System Setup New Saclay design. General Remarks. Available today Old Saclay Tuner Simple Single Piezo fixture 150-200 Hz compensation Feedforward works well Piezo stacks Desirable Two piezo fixture Sensor-Actuator configuration

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Fabrication and Quality Control of the Frequency Tuner for the XFEL

Fabrication and Quality Control of the Frequency Tuner for the XFEL. Lutz Lilje DESY European Linear Collider Workshop ECFA LC2013. Thanks !. Several people contributed with support and measurments to the work presented here :

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High Power Test @S1-Global ?

High Power Test @S1-Global ?. Process Log Data Summary of LFD Result of LFD Summary of LFD RF response @Quench. Kirk. Process Log of High Power Test ?. C1 Cavity. 10/5 13:00 Safety check for radiation in tunnel 13:05 HV ON / TRG ON / RF ON

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Tuner & LLRF of ILC

Tuner & LLRF of ILC. Sun YI ????? Wang Guangwei ????? Lin Haiying ?????? Qiu Feng ???? Dec.7, 2010 3th workshop of KEK/IHEP on ILC. Outline. Conception is changed from RING to Linac A tuner have been fabricated and test Tuning loop FB on , to locked the frequency of MHI-04 cavity.

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Introduction

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S1-Global Tuner Performance Study

S1-Global Tuner Performance Study. Carlo Pagani, on behalf of INFN Milan team. Tuning systems. Main performances goals for tuning systems: Static or Slow tuning: Suitable tuning range according to cavity production frequency scatter. Typically 600 kHz for TESLA cavities.

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Introduction

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Flapping Wing MAV

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Ultra-Sonic Ceramic Fuel Injection

Ultra-Sonic Ceramic Fuel Injection. We learned from Nature!. This is a breakthrough in fuel injection technology!. Our basic concept is to produce an Ultra-sonically modulated electrically charged micro-particulate cloud. Ultra-Sonic Ceramic Fuel Injection.

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Blade Tuner assembly

Blade Tuner assembly. Instruction for tuner assembly on a cryomodule May 2011. Required Hardware DWG 886555 (unless otherwise specified). Item # in the assembly procedure always refers to DWG 886555, unless otherwise specified. Legend. Preassembled parts.

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Understanding Piezo based Sensors for an acoustic neutrino detector

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Piezo-Acoustic Transducer

Piezo-Acoustic Transducer. A Piezo-Acoustic Transducer. This examples shows how to couple piezoelectric vibrations to the acoustics pressure wave properties in a fluid The physics involved are: Piezoelectric stress-strain, coupled to voltage and electric field Pressure acoustics in a fluid

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Low Power RF Tests (2) in S1-G

Low Power RF Tests (2) in S1-G. Low power rf tests in S1-G. Cryomodule-A . Stroke and hysteresis of piezo tuner . Single pulse response of piezo tuner . Stability of frequency . Reproducibility . Mechanical vibration. Cryomodule-A&C . HOM external Q. Cryomodule-A&C

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Compensation of Lorenz detuning 1. Slide-jack tuner (A1, A2, A3)

Compensation of Lorenz detuning 1. Slide-jack tuner (A1, A2, A3) 2. Saclay tuner (C3, C4) 3. Blade tuner (C1) ( C2 & A4 were not tested, yet ). KEK Control system of Piezo Tuner. Piezo control by PC Monitor of detuning frequency. Piezo driver for

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A1/MHI-05

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.

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Observation and Numerical Calculation of Lorentz Detuning for the Cryomodule Test of

Observation and Numerical Calculation of Lorentz Detuning for the Cryomodule Test of STF Baseline Cavities at KEK-STF. TU5PFP075. Y. Yamamoto , H. Hayano, E. Kako, T. Matsumoto, S. Michizono, T. Miura, S. Noguchi, M. Satoh, T. Shishido, K. Watanabe(KEK) and T.X. Zhao(TIPC). abstract

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