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- A. Hallac, Andrew C Metaxas
- The Journal of microwave power andâ€¦
- 2006

This paper presents a finite element time domain method for the solution of Maxwell's equations in microwave heating applicators using first and second order vector finite elements. Results are compared with experimental data and it has been shown that second order vector finite elements have many advantages over first order elements. Capitalising on theâ€¦ (More)

In this paper, a review on microplasma discharges is conducted. The different types and configurations used in microplasmas such as the Cathode Boundary Layer (CBL), Dielectric Barrier Discharge (DBD), Capillary Plasma Electrode Discharge (CPED), Inverted Square Pyramid (ISP), Square Cross Sectional Cavities (SCSC), Radio Frequency Inductively Coupledâ€¦ (More)

- Loizos Papageorgiou, Andrew C Metaxas, G. E. Georghiou
- IEEE Transactions on Plasma Science
- 2011

A 3-D streamer model that incorporates photoionization phenomena in atmospheric pressure air has been developed. It is applied to both point-plane and plane-plane electrode configurations in order to examine phenomena that have no cylindrical symmetry. The role of spontaneously distributed plasma spots in the propagation path of a streamer in dischargeâ€¦ (More)

- G. E. Georghiou, R Meredith, Andrew C Metaxas, D Gurwicz
- The Journal of microwave power andâ€¦
- 1999

This paper describes a new self-resonating switch-mode power-supply for driving CW magnetrons, based on the Boucherot effect. A detailed circuit analysis is given and its performance is evaluated for an 800 W/2450 MHz magnetron, whilst work at high power driving a magnetron up to 40 kW is reported. A comparison of the supply with the conventionalâ€¦ (More)

- Andrew C Metaxas
- The Journal of microwave power andâ€¦
- 2001

AMPERE (Association for Microwave Power in Europe for Research and Education) is a "European" non-profit association devoted to the promotion of microwave and radio frequency heating techniques for research and industrial applications. Despite the fact that AMPERE is a European association, it has a world-wide membership which comprises industrialists,â€¦ (More)

- Abhishek K Srivastava, Andrew C Metaxas, Peter So, Paul Matsudaira, Daniel J. Ehrlich, George E. Georghiou
- Electrophoresis
- 2005

A numerical model is presented for the accurate and efficient prediction of preconcentration and transport of DNA during sample introduction and injection in microcapillary electrophoresis. The model incorporates conservation laws for the different buffer ions, salt ions, and DNA sample, coupled through a Gaussian electric field to account for the fieldâ€¦ (More)

- Richard Ehlers, D C Dibben, Andrew C Metaxas
- The Journal of microwave power andâ€¦
- 2000

A study is made into the numerical modeling of wall losses for a microwave heating application. It makes use of a surface integral term for both a frequency and time domain finite edge element formulation in order to model the wall impedance of the enclosed microwave cavity. The paper describes how the surface element matrix of the complex wall impedance isâ€¦ (More)

- G. E. Georghiou, Andrew C Metaxas
- The Journal of microwave power andâ€¦
- 2000

The precursor of arcs in radio frequency heating systems, namely corona discharges, are examined numerically in this paper, using the finite element-flux corrected transport technique. A point-plane configuration is used as a first approximation for a radio frequency applicator and the effects of the operating frequency and pressure on the current output,â€¦ (More)

- Richard Ehlers, Andrew C Metaxas
- The Journal of microwave power andâ€¦
- 2001

The use of the resistive sheet for characterizing thin metallic films is presented in a microwave heating context. A finite edge element formulation is used to include the resistive sheet surface integral in both the frequency and time domains. The properties of the resistive sheet are compared with analytical expressions for the reflection, transmissionâ€¦ (More)