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36.Hardware Development of Dual Modality Tomography Using Electrical Resistance and Ultrasonic.pdf Download (1MB) | Preview |
Abstract
In decades, single-modality technique focuses on particular application such as liquid/gas, gas/solid, liquid/liquid and liquid/solid which has drawbacks in imaging complex flow with multiple components. This paper focuses on the development of dual-modality tomography system (DMT) integrating ultrasonic tomography and electrical resistance tomography (ERT) to visualize cross-sectional images of two-phase liquid/gas in vertical column. A combination of soft-field and hard-field tomography system measures different physical parameters of two-phase liquid/gas specific of two different material properties which are conductivity (σ) and acoustics impedance (Z). A DMT system is developed with 16 units of ultrasonic transceiver sensors, and 16 units of ERT electrode positioned alternately on a single-plane arrangement to perform measurement simultaneously. The reconstructed tomographic images obtained from measurement data from these two modalities are then fused into a single tomographic image by employing discrete wavelet transform (DWT).
| Item Type: | Book Chapter |
|---|---|
| Uncontrolled Keywords: | Hardware Development of Dual-Modality Tomography; Electrical Resistance and Ultrasonic Transmission Tomography; Imaging Liquid and Gas |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Faculty/Division: | Faculty of Electrical and Electronic Engineering Technology |
| Depositing User: | Miss. Ratna Wilis Haryati Mustapa |
| Date Deposited: | 28 Mar 2023 07:42 |
| Last Modified: | 28 Mar 2023 07:42 |
| URI: | http://umpir.ump.edu.my/id/eprint/37337 |
| Download Statistic: | View Download Statistics |
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