Watermills: The Origin of the Use of Renewable Hydraulic Energy in Spain

ABSTRACT

The use of renewable hydraulic energy sources by mankind most likely has its origins in the development of the watermills. To understand the functioning of these mills, this article first reviews, through the analysis of different bibliographical sources, the technical evolution of the machinery used since the appearance of the first watermills to grind cereal grain in the 1st century bc.

Secondly, a particular area of the south-west of Spain, Alcalá de Guadaíra, has been selected for study, whose strategic location as well as its hydrological characteristics gave rise, firstly, to an intensive milling industry, and, later, a famed baking industry, from the late Middle Ages until recent decades. The huge development of these two industrial activities has made Alcalá de Guadaíra an exceptional example in Spain, with 40 watermills in the early 18th century.

Extensive work on site allowed the analysis of the state and types of watermills that still exist in this area, identifying their similarities and differences. Unfortunately, after they fell into disuse, only 28 of these mills remain today; 12 of them are in a relative good state of preservation, seven in an alarming state of ruin and, of the other nine, only some unrecognisable vestiges remain. Some of these mill buildings have been restored recently, although their machinery is missing. Only from old photographs or by visiting mills restored in other areas is it possible to determine how these watermills worked.

Due to the lack of financial resources to carry out physical restoration of the industrial heritage missing in these flour mills, a virtual model of one of them has been developed. This work provides, at least virtually, a reconstruction of the traditional mills which helps promote technological studies and shows how they worked, as part of virtual exhibitions. In addition, a computer application of augmented reality has been developed that any visitor can install on a mobile device to display the virtual reality of the machinery, generated by 3D models, so they can visualise the physical reality that they would have found in the mill.

KEYWORDS:

• Watermill
• hydraulic power
• industrial heritage
• computer-aided design
• computer animation
• augmented reality
• Alcalá de Guadaíra

ORCID

Francisco J. Sánchez-Jiménez http://orcid.org/0000-0002-4690-9864

José A. González http://orcid.org/0000-0003-3282-0049

Disclosure Statement

No potential conflict of interest was reported by the authors.

Notes

1. Moritz, L.A., Grain-Mills and Flour in Classical Antiquity (Oxford: Clarendon Press, 1958), 52–67.

2. Boomgaard, P., ‘Technologies of a Trading Empire: Dutch Introduction of Water and Windmills in Early-Modern Asia, 1650s–1800’, History and Technology, 24.1 (2008), 41–59.

3. Logan, E. & R. Roy, Handbook of Turbomachinery (New York: Marcel Dekker, Inc., 2003).

4. Palomo Palomo, J. & M.P. Fernández Uriel, ‘Los molinos hidráulicos en la Antigüedad’, Espacio Tiempo y Forma. Serie II, Historia Antigua (2006–7), 499–524. doi:10.5944/etfii.19.2006.4465

5. Pujol, T. & L. Montoro, ‘High Hydraulic Performance in Horizontal Waterwheels’, Renewable Energy, 35 (2010), 2543–51. doi:10.1016/j.renene.2010.03.025

6. González Tascón, I., ‘Ingenios hidráulicos al servicio de la industria’, I Jornadas de Molinología (1995), 805–16.

7. Turriano, J., Los Veintiún Libros de los Ingenios y las Máquinas, con prólogo de José A. García-Diego (Madrid: Colegio Oficial de Ingenieros de Caminos, Canales y Puertos, 1983); González Tapia, N., ‘Pedro Juan de Lastanosa y Pseudo-Juanelo Turriano’, Boletín de la Sociedad Española de las Ciencias (1987), 51–74; Vigueras González, M., ‘La tecnología de los molinos de Rodezno en la época de Felipe II’, III Jornadas de Molinología (2001).

8. Pujol, T., J. Solà, L. Montoro & M. Pelegrí, ‘Hydraulic Performance of an Ancient Spanish Watermill’, Renewable Energy, 35 (2010), 387–96. doi:10.1016/j.renene.2009.03.033

9. Ikeda, T., S. Iio & K. Tatsuno, ‘Performance of Nano-Hydraulic Turbine Utilizing Waterfalls’, Renewable Energy, 35 (2010), 293–300.

10. Córdoba de la Llave, R., ‘El proceso de difusión del molino de regolfo y la sustitución de aceñas de origen medieval en la provincia de Córdoba’, Revista de Arte, Arqueología e Historia, 17 (2010), 249–64.

11. Rojas-Sola, J.I., A. Gómez-Elvira González & E. Pérez Martín, ‘Computer-Aided Design and Engineering: a Study of Windmills in la Mancha (Spain)’, Renewable Energy, 31 (2006), 1471–82. doi:10.1016/j.renene.2006.02.002

12. Vashisht, A.K., ‘Current Status of the Traditional Watermills of the Himalayan Region and the Need of Technical Improvements for Increasing their Energy Efficiency’, Applied Energy, 98 (2012), 307–15. http://dx.doi.org/10.1016/j.apenergy.2012.03.042; Sharma, R.C., Y. Bisht, R. Sharma & D. Singh, ‘Gharats (Watermills): Indigenous Device for Sustainable Development of Renewable Hydro-Energy in Uttrakhand Himalayas’, Renewable Energy, 33 (2008), 2199–206. doi:10.1016/j.renene.2007.12.023

13. León Serrano, P., Compendio de la Fundación y Antigüedad de la Villa de Alcalá de Guadaíra Manuscript. 1705. Universidad de Sevilla, A 332/039.

14. Domínguez Berenjeno, E.L. & L. Cervera Pozo, ‘Economía y cultura del agua: valores históricos y regeneración de la ribera urbana del Guadaíra’, 2ª Coloquio Internacional ‘Irrigación, energía y abastecimiento de agua: la cultura del agua en el arco mediterráneo’ (2008), 425–55.

15. González Jiménez, M., ‘Alcalá de Guadaíra en el siglo XIII: conquista y repoblación’, I Jornadas de Historia. Ayuntamiento de Alcalá de Guadaíra (1987), 47–52.

16. de la Escosura, R., Estadística de los aprovechamientos hidráulicos en las cuencas de los ríos Guadaira y Corbones (Sevilla: Servicios Hidráulicos del Guadalquivir, 1934).

17. Ibid.

18. Pujol, T., A.K. Vashisht, J. Ricart, D. Culubret & J Velayos, ‘Hydraulic Efficiency of Horizontal Waterwheels: Laboratory Data and CFD Study for Upgrading a Western Himalayan Watermill’, Renewable Energy, 83 (2015), 576–86. http://dx.doi.org/10.1016/j.renene.2015.04.060

19. Rojas-Sola, J.I. & R. López-García, ‘Engineering Graphics and Watermills: Ancient Technology in Spain’, Renewable Energy, 32 (2007), 2019–33. doi:10.1016/j.renene.2006.10.013; Rojas-Sola, J.I. & J.M. Amezcua-Ogáyar., ‘Southern Spanish Windmills: Technological Aspects’, Renewable Energy, 30 (2005), 1943–53. doi:10.1016/j.renene.2005.03.016

20. Castro-García, M., J.I. Rojas-Sola & E. de la Morena-de la Fuente, ‘Technical and Functional Analysis of Albolafia Waterwheel (Cordoba, Spain): 3D Modeling, Computational-Fluid Dynamics Simulation and Finite-Element Analysis’, Energy Conversion and Management, 92 (2015), 207–14. http://dx.doi.org/10.1016/j.enconman.2014.12.047

21. Cabrera Cruzado, J., Reconstrucción virtual del Molino de la Tapada en Alcalá de Guadaíra. Universidad de Sevilla, 2016. [http://encore.fama.us.es/iii/encore/record/C__Rb2715976] [Accesed: June 19, 2017]; Córdoba de la Llave, R., ‘Un ejemplo de estudio y catalogación del patrimonio industrial: los molinos hidráulicos de la provincia de Córdoba’, I Jornadas Andaluzas de Patrimonio Industrial y de la Obra Pública, FUPIA, Mesa 1 (2012) Sevilla, 1–12.

Additional information

Notes on contributors

Francisco J. Sánchez-Jiménez

Francisco J. Sánchez-Jiménez is an Associate Professor at the Departamento de Ingeniería del Diseño, Universidad de Sevilla. He leads research in industrial archaeology and heritage. His current research focuses on the virtual reconstruction of industrial heritage using computer-aided techniques. He holds a PhD in Industrial Engineering from the Universidad de Sevilla, Spain, since 2015.

José A. González

José A. González currently works at the Ingeniería de la Construcción y Proyectos de Ingeniería, Universidad de Sevilla. José does research in Civil Engineering, Structural Engineering and Mechanical Engineering.