首页|Boundary element method and its application for measuring moisture content in woody materials

Boundary element method and its application for measuring moisture content in woody materials

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The main aim of this paper is to study the mathematical model of the single planar capacitance sensor by boundary element method. This numerical method is used to compute the solution of the partial differential equation with complex boundary conditions which was established as the model of the single planar capacitance sensor. We find out the relationship between dielectric constant of the measured object and the capacitance value of capacitance sensors. A single planar capacitance sensor, which was set its specific size, is taken as an example, numerical example shows that this method is effective. The method and results can be applied to the practice of engineering, such as measuring wood moisture content and soil moisture contant, etc.

moister contentdielectric propertyplanar capacitive sensorboundary element method

Wang Jue、Luo Yue-sheng、Liu Shao-gang

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College of Science, Harbin Engineering University, 150001, People's Republic of China College of Automation, Harbin Engineering University, 150001, People's Republic of China

College of Mechanical and Electrical Engineering, Harbin Engineering University, 150001, People's Republic of China

2010

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.419/420