Ultrasound as an analyzer of continuous monitoring of the condition of food raw materials

Khorolsky, Valentin and Хорольський, Валентин Петрович and Serebrenikov, Vadim and Серебреников, Вадим Михайлович and Korenets, Yuriі and Коренець, Юрій Миколайович and Raschekhmarov, I.V. and Расчехмаров, І.В. (2019) Ultrasound as an analyzer of continuous monitoring of the condition of food raw materials. Вісник Хмельницького національного університету. Серія: Технічні науки (6(279)). pp. 138-142. ISSN 2307-5732

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Abstract

The article considers a mathematical model of the interaction of ultrasonic vibrations with food raw materials, which is a heterogeneous medium. Assuming that the state of a heterogeneous medium is described by a mathematical model in the form of a second-order differential equation with constant coefficients, a spectral analysis of this medium was carried out using ultrasound. The aim of the research is to search for the "transfer function" of food raw materials, with the help of which it would be possible to identify the structural elements of food raw materials - to determine its physical and mechanical properties. Formulas are obtained that allow one to determine the state parameters of food raw materials using spectral density characteristics such as resonance frequency, resonance value, and quality factor of the oscillatory system. The parameters found using ultrasonic vibrations allow continuous monitoring of the state of food raw materials in order to assess its quality.

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