Agustín de Betancourt’s Double-Acting Steam Engine: Geometric Modeling and Virtual Reconstruction

Author:

Rojas-Sola José,Galán-Moral Belén,De la Morena-De la Fuente Eduardo

Abstract

In this paper, the geometric modeling and virtual reconstruction of the double-acting steam engine designed by Agustín de Betancourt in 1789 are shown. For this, the software Autodesk Inventor Professional is used, which has allowed us to obtain its geometric documentation. The material for the research is available on the website of the Betancourt Project of the Canary Orotava Foundation for the History of Science. Almost all parts of the steam engine are drawn on the sheets, but due to the absence of scale and space, it is insufficient to obtain an accurate and reliable 3D CAD (Computer-Aided Design) model. For this reason a graphic scale has been adopted so that the dimensions of the elements are coherent. Also, it has been necessary to make some dimensional and geometric hypotheses, as well as restrictions of movement (degrees of freedom). Geometric modeling has made it possible to know that the system is balanced with the geometric center of the rocker arm shaft, and presents an energetic symmetry whose axis is the support of the parallelogram where the shaft rests: calorific energy to the left and mechanical energy to the right, with the rocker arm acting as a transforming element from one to the other.

Publisher

MDPI AG

Subject

Physics and Astronomy (miscellaneous),General Mathematics,Chemistry (miscellaneous),Computer Science (miscellaneous)

Reference27 articles.

1. Biografía Cronológica de Don Agustín de Betancourt y Molina en el 250 Aniversario de su Nacimiento;Muñoz Bravo,2008

2. Agustín de Betancourt: Un Héroe Español del Progreso;Bogoliúbov,1973

3. Agustín de Betancourt y Molina;Martín Medina,2006

4. Agustin de Betancourt’s Wind Machine for Draining Marshy Ground: Approach to Its Geometric Modeling with Autodesk Inventor Professional

5. Digital 3D reconstruction of Betancourt’s historical heritage: the dredging machine in the Port of Kronstadt

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