Please use this identifier to cite or link to this item: http://earchive.tpu.ru/handle/11683/57279
Title: Mathematical Modeling of Heat Transfer in an Element of Combustible Plant Material When Exposed to Radiation from a Forest Fire
Authors: Baranovskiy, Nikolay Viktorovich
Demikhova, Alena Nikolaevna
Keywords: combustible plant material; forest fire; radiation; heat transfer; mathematical modeling; горячие материалы; лесные пожары; излучения; теплопередача; математическое моделирование
Issue Date: 2019
Publisher: Томский политехнический университет
Citation: Baranovskiy N. V. Mathematical Modeling of Heat Transfer in an Element of Combustible Plant Material When Exposed to Radiation from a Forest Fire / N. V. Baranovskiy, A. N. Demikhova // Safety. — 2019. — Vol. 5, iss. 3. — [56, 26 p.].
Abstract: The last few decades have been characterized by an increase in the frequency and burned area of forest fires in many countries of the world. Needles, foliage, branches, and herbaceous plants are involved in burning during forest fires. Most forest fires are surface ones. The purpose of this study was to develop a mathematical model of heat transfer in an element of combustible plant material, namely, in the stem of a herbaceous plant, when exposed to radiation from a surface forest fire. Mathematically, the process of heat transfer in an element of combustible plant material was described by a system of non-stationary partial differential equations with corresponding initial and boundary conditions. The finite difference method was used to solve this system of equations in combination with a locally one-dimensional method for solving multidimensional tasks of mathematical physics. Temperature distributions were obtained as a result of modeling in a structurally inhomogeneous stem of a herbaceous plant for various scenarios of the impact of a forest fire. The results can be used to develop new systems for forest fire forecasting and their environmental impact prediction.
URI: http://earchive.tpu.ru/handle/11683/57279
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