Waluya, S. B. (2012) MODEL PERPINDAHAN KALOR PADA MESIN PENGERING PADI. UNNES Journal of Mathematics, 1 (1). pp. 21-27. ISSN 2252-6943

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Abstract

Mathematics is a tool to solve a problem. A field in mathematics that being applied in other fields is a differential equation. Differential equations arise in various fields of science and technology, where the deterministic relationship involving continuously changing quantities (modeled by mathematical functions) and its rate of change (expressed as a derivative) is known or postulated. This is seen for example in heat transfer problems. In this article will be reviewed modeling of the heat equation and the solution model of the heat equation. Heat transfer (Heat Transfer) is the transition temperature of thermal energy from hot to cooler temperatures. When an object has a different temperature than the environment or other objects, heat transfer, also known as heat flow or heat exchange, occurs in such a way that the body and the surroundings reach thermal equilibrium. The Steps of this research are determining the problem, formulating the problem, studying literature, analyzing problem solves, and drawing conclusions. The discussion carried out to find a model of the heat equation on rice dryers and solve the heat equation with variable separation method. The discussion was conducted in two circumstances, namely the steady state (time constant) and unsteady (time varies)

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