Study of ancient forging devices: 3D modelling and analysis using current computer methods

• Autorzy: Rojas-Sola J. I. , Bouza-Rodríguez J. B. , Comesaña-Campos A.

Identyfikatory

DOI

10.24425/bpas.2019.127963

• Języki publikacji: EN

Abstrakty

EN

An ancient forging device in Spain has been studied, namely the forge with a waterwheel and air-blowing tube or hydraulic trompe, found near the village of Santa Eulalia de Oscos (province of Asturias, Spain). Three procedures using ad hoc methods were applied: 3D modelling, finite element analysis (FEA), and computational-fluid dynamics (CFD). The CFD results indicated the proper functioning of the trompe, which is a peculiar device based on the Venturi effect to take in air. The maximum air volume flow rate supplied to the forge by the trompe was shown to be 0.091 m3/s, and certain parameters of relevance in the trompe design presented optimal values, i.e. offering maximum air-flow supply. Furthermore, the distribution of stress over the motion-transmission system revealed that the stress was concentrated most intensely in the cogs of the transmission shaft (a kind of camshaft), registering values of up to 7.50 MPa, although this value remained below half of the maximum admissible work stress. Therefore, it was confirmed that the oak wood from which the motion system and the trompe were made functioned properly, as these systems never exceeded the maximum admissible working stress, demonstrating the effectiveness of the materials used in that period.

Słowa kluczowe

EN

forging device; hydraulic trompe; 3D modelling; computational fluid dynamics; finite element analysis

PL

urządzenie do kucia; modelowanie 3D; analiza elementów skończonych

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2019
• Tom: Vol. 67, nr 2
• Strony: 377--390
• Opis fizyczny: Bibliogr. 36 poz., rys., wykr., tab., fot.

Twórcy

autor

Rojas-Sola J. I.

• Department of Engineering Graphics, Design and Projects, University of Jaen, Spain

autor

Bouza-Rodríguez J. B.

• Department of Engineering Design, University of Vigo, Spain

autor

Comesaña-Campos A.

• Department of Engineering Design, University of Vigo, Spain

Bibliografia

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Uwagi

EN

The authors would like to thank Friedrich Bramsteidl, the Mazonovo forge blacksmith, for his valuable comments and cooperation in this study. Thanks are also due to Antonio Riveiro Rodríguez for his help in this matter.

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).