SUSTAINABLE ENERGY GENERATION: DESIGN OF A GRAIN MILL DRIVEN BY A STIRLING ENGINE AND DISK

Cuno P.C.; Mamani D.R.; Huamani L.B.; Figueroa E.J.; Condori R.J.; Velasquez A.G.; Ortega J.M. · Proceedings of the LACCEI international Multi-conference for Engineering, Education and Technology (2025) · DOI: 10.18687/laccei2025.1.1.1611

Resumen

The objective of this work is to design a grain milling system based on solar energy, using a parabolic dish and a Stirling engine as key elements of the system. The main problem lies in the dependence on human power for grain processing, which generates inefficiency and limits production in rural environments. The proposed system uses a parabolic dish to concentrate solar radiation and generate enough heat to drive a Stirling engine. This, in turn, converts thermal energy into mechanical energy, which is then transformed into electrical energy to power a grain mill. Through proper material selection, efficient parabolic dish design and integration of the Stirling engine with the mechanical transmission system, it is hoped to achieve a sustainable system that minimizes the need for human intervention, maximizes energy efficiency and provides a capacity continuous grinding of at least 80 kg/hour. Preliminary results indicate the technical and economic viability of the project, with the potential to be implemented in areas with high solar radiation.

Instituciones: Universidad Tecnológica del Perú