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  • In Jour Smart Sensing And Intelligent Systems

 

Research paper | 13-December-2017

HEPA FILTER MATERIAL LOAD DETECTION USING A MICROWAVE CAVITY SENSOR

This paper presents a novel microwave cavity sensor application for the detection of HEPA filter particulate loading. The sensor resonates at 3.435GHz and 8.570GHz when empty, where the TM010 and TM020 modes dominate respectively. Experimental results show that the resonant frequency of the sensor shifts significantly when filters of different particulate loadings are presented to it. This is a significant finding, and means that the sensor could present an effective solution for determining

A. Mason, S. Wylie, A. Thomas, H. Keele, A. Shaw, A.I.Al- Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 3, 322–337

Research Article | 15-February-2020

Assessing Water Activity in Dry-Cured Ham using Microwave Spectroscopy

Microwave spectroscopy have been applied in numerous applications in the non-food industry, and recently also in the food industry, for non-destructive measurements. In this study, a dry-cured ham model was designed and water activity, water content and salt content (sodium chloride) were determined for all samples using chemical analysis. The water activity was also measured using microwave spectroscopy, with a rectangular microwave cavity resonator. Attained results indicate that microwave

Stefania G. Bjarnadottir, Kathrine Lunde, Ole Alvseike, Alex Mason, Ahmed I. Al-Shamma’a

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

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