Frequency-reconfigurable TM<sub>010</sub>-mode reentrant cylindrical cavity for microwave material processing

Xia, Zhi Xian; Cheng, Yu Jian; Fan, Y.

doi:10.1080/09205071.2013.758224

Cited by 7 publications

(1 citation statement)

References 25 publications

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“…Previous researchers have done rigorous and impressive job on this issue and proposed different methods. Effective complex permittivity of dielectric mixtures can be evaluated by different formulations and rules from theoretical models and experiments [10][11][12][13][14]. However, the theoretical model can only be used in the particles with simple and regular shapes.…”

Section: Introductionmentioning

confidence: 99%

A Modeling Method for Small Packing Particles in Electromagnetic Simulation

Zhong¹,

Cheng²,

Yang

2016

International Journal of Antennas and Propagation

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A modeling method for small packing particles is proposed in this paper, especially for the application of the electromagnetic simulation. This method is able to model random distributed and mutual-contacted packing particles efficiently and accurately. This modeling method is faster than a commonly used software, especially for large number of particles. The accuracy of this modeling method is validated by experiments of packing density and effective permittivity. The established model can be easily imported into commercial electromagnetic simulation software.

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Section: Introductionmentioning

confidence: 99%

A Modeling Method for Small Packing Particles in Electromagnetic Simulation

Zhong¹,

Cheng²,

Yang

2016

International Journal of Antennas and Propagation

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Design of Wireless Sweep Signal Receiving and Dispatching Hardware System Based on SiBCN Temperature Sensor

Hua-yu

et al. 2017

MATEC Web Conf.

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Abstract. Based on the working principle of SiBCN temperature sensor and the principle of perturbation method, a wireless sweep signal transceiver system based on SiBCN temperature sensor covering 10 ~ 12GHz is designed to measure the temperature in harsh environmental such as high temperature, high oxidation and strong corrosion. Through the joint test of the system, the experimental results show that the resonant frequency and temperature of the sensor are negatively correlated at 25 ~ 350 ℃, that is, the temperature is increased and the frequency decreases, which is consistent with the formula.The temperature and frequency change rate is about 421.2kHz / ℃,which achieve the performance indicators of the SiBCN temperature sensor on the hardware system.

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Experiments match simulations in a multiple post reentrant cavity

Paula

Goryachev

Tobar

2017

Review of Scientific Instruments

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Microwave reentrant cavities are used for many applications in science and engineering. The potential for both high mechanical tunability and high electric quality factors make them important tools in many areas. They are usually resonant cylindrical cavities with a central post, which makes a small gap spacing with the cavity wall. By adding an arbitrary number of extra posts, they are generalized to a type of multiple post reentrant cavity. This new approach has been theoretically studied but no experimental results have been presented. The main purpose of this work was to compare experimental modes with simulated ones from a reentrant cavity made of forty nine cylindrical posts. Each post could be moved using a screw in order to make tunable gap spacing between the post top and the cavity cover. Eight different gap setups were made making it possible to investigate thirty six different reentrant modes at room temperature. The lowest frequency percentage agreement between experiment and simulation was 91.31%, and the best one was 99.92%. Taking into account all the modes, 94.44% of them agreed above 96%. Thus, we have determined an experimental procedure suitable to investigate the reentrant modes from multiple post cavities. There is a wide range of potential applications for such cavities due to their unique features compared to conventional ones.

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Frequency-reconfigurable TM₀₁₀-mode reentrant cylindrical cavity for microwave material processing

Cited by 7 publications

References 25 publications

A Modeling Method for Small Packing Particles in Electromagnetic Simulation

A Modeling Method for Small Packing Particles in Electromagnetic Simulation

Design of Wireless Sweep Signal Receiving and Dispatching Hardware System Based on SiBCN Temperature Sensor

Experiments match simulations in a multiple post reentrant cavity

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Frequency-reconfigurable TM010-mode reentrant cylindrical cavity for microwave material processing

Cited by 7 publications

References 25 publications

A Modeling Method for Small Packing Particles in Electromagnetic Simulation

A Modeling Method for Small Packing Particles in Electromagnetic Simulation

Design of Wireless Sweep Signal Receiving and Dispatching Hardware System Based on SiBCN Temperature Sensor

Experiments match simulations in a multiple post reentrant cavity

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Frequency-reconfigurable TM₀₁₀-mode reentrant cylindrical cavity for microwave material processing