Title :
Numerical analysis of acoustic wave generation and propagation on PEA method
Author :
Wadamori, Miho ; Fukuma, Masumi ; Nagao, Masayuki ; Hozumi, Naohiro ; Kosaki, Masamitsu ; Fukui, Yutaka
Author_Institution :
Matsue Nat. Coll. of Technol., Japan
Abstract :
The pulsed electroacoustic (PEA) method has been developed to measure space charge phenomena in dielectric. This method is widely used for the space charge measurement in not only polymer and but also other materials. Recently, the PEA method has also been applied to the multi-layer dielectric. In the case, it is considered that the measurement error is made by the difference in the acoustic characteristics of measuring dielectrics. And some attentions on PEA measurement was reported, theoretically. We have discussed the sensor signal on PEA method in two-layer dielectric by using numerical analysis to discuss the influences on the difference in the acoustic impedance in this report
Keywords :
acoustic impedance; acoustic wave propagation; acoustoelectric effects; charge measurement; dielectric measurement; measurement errors; space charge; acoustic impedance; acoustic wave generation; acoustic wave propagation; measurement error; multi-layer dielectric; numerical analysis; pulsed electroacoustic method; sensor signal; space charge measurement; Acoustic measurements; Acoustic propagation; Acoustic pulses; Acoustic waves; Charge measurement; Current measurement; Dielectric measurements; Numerical analysis; Pulse measurements; Space charge;
Conference_Titel :
Electrical Insulating Materials, 2001. (ISEIM 2001). Proceedings of 2001 International Symposium on
Conference_Location :
Himeji
Print_ISBN :
4-88686-053-2
DOI :
10.1109/ISEIM.2001.973687
