Design of electrical capacitance tomography sensors

W Yang - Measurement science and technology, 2010 - iopscience.iop.org
Electrical capacitance tomography (ECT) has been developed since the late 1980s for
visualization and measurement of a permittivity distribution in a cross section using a multi …

Application of electrical capacitance tomography in particulate process measurement–A review

W Zhang, C Wang, W Yang, CH Wang - Advanced Powder Technology, 2014 - Elsevier
Particulate process measurement presents challenges because it often involves multiphase
flow. Due to its advantages over other tomography modalities, electrical capacitance …

Electrical capacitance tomography for gas–solids flow measurement for circulating fluidized beds

S Liu, Q Chen, HG Wang, F Jiang, I Ismail… - Flow Measurement and …, 2005 - Elsevier
Gas–solids flows in the risers of circulating fluidised beds (CFBs) and cyclones exhibit
complex physical behaviour, such as local backflow and recirculation. The difficulties in …

Gas and solids mixing in a turbulent fluidized bed

B Du, LS Fan, F Wei, W Warsito - AIChE Journal, 2002 - Wiley Online Library
Gas and solids mixing characteristics in the bubbling and turbulent regimes of a gas‐solid
fluidized bed are examined using helium and phosphor tracer techniques to obtain the gas …

Flow pattern identification for gas-oil two-phase flow based on a virtual capacitance tomography sensor and numerical simulation

Y Xu, H Pu, Y Li, H Wang - Flow Measurement and Instrumentation, 2023 - Elsevier
Gas-oil two-phase flow is widely encountered in oil exploitation and transportation pipelines.
It's complex and transient changes of flow regimes present a great challenge for accurate …

Bed nonhomogeneity in turbulent gas‐solid fluidization

B Du, W Warsito, LS Fan - AIChE Journal, 2003 - Wiley Online Library
Bed dynamic behavior in a gas‐solid fluidization system is measured in real time using ECT
based on the NNMOIRT recently developed. The ECT results reveal the time‐averaged and …

Measurement of velocity of gas/solid swirl flow using Electrical Capacitance Tomography and cross correlation technique

A Saoud, V Mosorov, K Grudzien - Flow Measurement and Instrumentation, 2017 - Elsevier
One of the big challenges in multiphase flow measurements is velocity calculation. This
paper describes utilizing dual-plane Electrical Capacitance Tomography (ECT) to estimate …

[HTML][HTML] On the use of a rotatable ect sensor to investigate dense phase flow: A feasibility study

R Wajman, R Banasiak, L Babout - Sensors, 2020 - mdpi.com
This paper presents the feasibility study of dynamic flow measurements using the concept of
a rotatable electrical capacitance tomography (ECT) sensor. The experiment considered …

Investigation of gas–solid bubbling fluidized beds using ECT with a modified Tikhonov regularization technique

Q Guo, S Meng, D Wang, Y Zhao, M Ye, W Yang… - AIChE …, 2018 - Wiley Online Library
Electrical capacitance tomography (ECT) provides a non‐intrusive means to visualize cross‐
sectional material distribution of gas–solid bubbling fluidized beds. Successful application of …

Imaging of oil-water flow patterns by electrical capacitance tomography

K Perera, C Pradeep, S Mylvaganam… - Flow Measurement and …, 2017 - Elsevier
Abstract Electrical Capacitance Tomography (ECT) is well established as a tool for
multiphase flow studies when permittivities of the media in the flow, are not too different, eg …