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Programs VldFrqn.m –VldFrqnK.txt: data from KLM model –VldFrqnPzc.txt: data from VldTm.m –VldTmK.txt: data from KLM model –VldTmPzc.txt: data from PZCAD.

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Presentation on theme: "Programs VldFrqn.m –VldFrqnK.txt: data from KLM model –VldFrqnPzc.txt: data from VldTm.m –VldTmK.txt: data from KLM model –VldTmPzc.txt: data from PZCAD."— Presentation transcript:

1 Programs VldFrqn.m –VldFrqnK.txt: data from KLM model –VldFrqnPzc.txt: data from VldTm.m –VldTmK.txt: data from KLM model –VldTmPzc.txt: data from PZCAD close all; Fk=load('VldTmK.txt'); Fp=load('VldTmPzc.txt'); plot(Fk(:,1),Fk(:,2)*2,'b') hold on; plot(Fp(:,1),Fp(:,2)*1e-3,'r') close all; Fk=load('VldFrqnK.txt'); Fp=load('VldFrqnPzc.txt'); subplot(2,1,1) plot(Fk(:,1),Fk(:,2)*1e-6,'b') hold on; plot(Fp(:,1),Fp(:,2),'r') subplot(2,1,2) plot(Fk(:,1),Fk(:,3),'b') hold on; plot(Fp(:,1),Fp(:,3),'r')

2 5Mhz PIEZOCAD INPUT PARAMETERS Program version: PiezoCAD for Windows Version 3.03 Data file: NEW - Not savedDate and time calculated: 07-08-2009 11:25:13 Basic file for starting new designs - no faceplates or backplates, no electrical matching FREQUENCY AND TIME Design center frequency Fd = 5.000 MHzFrequency range of calculation: 1.000 to 10.000 MHz Number of points in frequency domain: 250Time domain: 1024 PIEZOELECTRIC ELEMENT DESCRIPTION Element size: 6 mm diskElement area: 28.2743 mm^2 PARAMETER VALUE UNITS Thickness 0.3915mm Parallel frequency Fp 5.5556MHz Material PZT-4 plate Polarity + Longititudinal impedance 33.713MRayls Longitudinal velocity 4350.0m/sec Shear velocity 2175.0m/sec Density 7750.0kg/m^3 Clamped capacit. Co 530.5pF Clamped dielectric const. 830.00E33s Thickness coupling kt 0.4900 Electrical loss tangent 0.0000tan de Mechanical loss tangent 0.0000tan dm Vendor Morgan Matroc Data source Data sheet ACOUSTIC LAYERS No Faceplates No Backplates ACOUSTIC LOAD IMPEDANCES: Rear: 6.000 MRaylsFront: 1.500 MRayls ELECTRICAL TERMINATIONS: Transmitter output = 50.0 OhmsReceiver input = 50.0 Ohms ELECTRICAL MATCHING NETWORK: No electrical matching network

3 PZT5MHz Transmit impulse response, Klm*2 Receive impulse response, Klm*3 Transmit Impedance Receive Impedance

4 PZT5MHz Echo impulse response, Klm*2 Transmit exct (1 bust) response, Klm*2, 1 point delay Echo exct (1 bust) response, Klm*2, 1 point delay

5 PZT5MHz 2B2M PIEZOCAD INPUT PARAMETERS Program version: PiezoCAD for Windows Version 3.03 Data file: NEW - Not savedDate and time calculated: 07-10-2009 19:15:55 Basic file for starting new designs - no faceplates or backplates, no electrical matching FREQUENCY AND TIME Design center frequency Fd = 5.000 MHzFrequency range of calculation: 1.000 to 10.000 MHz Number of points in frequency domain: 250Time domain: 1024 PIEZOELECTRIC ELEMENT DESCRIPTION Element size: 6 mm diskElement area: 28.2743 mm^2 PARAMETER VALUE UNITS Thickness 0.3915mm Parallel frequency Fp 5.5556MHz Material PZT-4 plate Polarity + Longititudinal impedance 33.713MRayls Longitudinal velocity 4350.0m/sec Shear velocity 2175.0m/sec Density 7750.0kg/m^3 Clamped capacit. Co 530.5pF Clamped dielectric const. 830.00E33s Thickness coupling kt 0.4900 Electrical loss tangent 0.0000tan de Mechanical loss tangent 0.0000tan dm Vendor Morgan Matroc Data source Data sheet ACOUSTIC LAYERS FACEMATLSHEARLONG.LONGLOSSLOSSLOSS REL.THICKTHICK PLATENAMEVEL.VEL.IMPED.ALPHAAT F N AREALambdas No.m/secm/secMRaylsdB/cmMHz At Fd mm 1M1 1768.42501.07.5030.0001.0001.001.000 0.25010.1251 2Blank 1414.22000.03.0000.0001.0001.001.000 0.25000.1000 BACKPLATES 1back1 1414.22000.06.00015.0001.0001.001.000 3.75001.5000 2back2 1000.02000.02.0008.0001.0001.001.000 10.00004.0000 ACOUSTIC LOAD IMPEDANCES: Rear: 6.000 MRaylsFront: 1.500 MRayls ELECTRICAL TERMINATIONS: Transmitter output = 50.0 OhmsReceiver input = 50.0 Ohms ELECTRICAL MATCHING NETWORK: No electrical matching network

6 PZT5MHz 2B2M Transmit Impedance Receive Impedance Transmit Impulse response KLM*2 Receive Impulse response KLM*3.5

7 PZT5MHz 2B2M Pulse-echo Impulse response KLM*2 Transmit 1burst excitation response echo 1burst excitation response

8 PZT5MHz 2B2M+cable, ZT Ideal 50ohm, 5m 50ohm, 5m, 100db/Mhz/Km Shnt C:15p, SL 1u, Sr: 50 Cable:I50ohm, 5m,100db/Mhz/Km Shnt C:15p, SL 1u, Sr: 50 Cable:I50ohm, 5m,100db/Mhz/Km SC:1u, ShntL: 2u, ShntR 150

9 PZT5MHz 2B2M+PE cable, DE Transmit impulse, klm*2 Pulse-echo impulse response receive impulse, klm*4 Transmit excitation klm*2

10 PZT5MHz 2B2M+PE cable, DE PulseEcho excitation klm*2

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