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Poster De Conférence Année : 2023

Integrated energy simulation of medieval mining systems

Résumé

The exploitation of mineral resources for the production of metals over historical times is a complex industrial and social system. Each stage of material transformation can be associated with a cost, which is largely the cost of the energy required. In addition, there are indirect costs, such as the cost of dewatering. An interdisciplinary approach between the human sciences and digital modelling is essential if we want to be able to propose a model of this complex system that can be used to simulate its operation. Here we will focus on one sub-system of our subject: the link between the extraction and preparation of ore (mineralurgy) and dewatering. We will be working from two archaeological sites that were exploited during the 15th century and for which we have archaeological and written data. There are two levels to the modelling of the mining and metallurgical production system. The first one is a detailed approach to each step in the operational chain. It enables us to understand both the transformations of matter and the energy consumed in these transformations. This modelling is based on three parts: applied physics, experiments and historical data. The second level is to simulate the complex system. We rely on the creation of a digital twin of the production system from mine to ingot. To do this, we use Matlab's Simulink module. In order to compare the evolution of the same operation over time, or synchronous operations, it is necessary to define a functional unit. At the heart of our study, the functional unit is a mass of ore ready to be smelt once it has been prepared. For certain mining sites and for certain periods of operation, it is also possible to determine the energy-financial cost proxy. This data, combined with energy consumption, allows the energy and financial costs of producing the functional unit to be combined. In this way, they provide a better understanding of the socio-economic context of the system. This initial study will make it possible to calculate the energy costs of the various technical solutions for dewatering the mine, extracting the ore and obtaining the prepared ore. This approach opens up a new field for integrating the exploitation of mineral resources into the economic and ecological environments of different human groups. It can be used to simulate the consequences of specific events on operation, such as wood depletion, ore scarcity or the introduction of new techniques.
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Dates et versions

hal-04329308 , version 1 (07-12-2023)

Identifiants

  • HAL Id : hal-04329308 , version 1

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Florence Maqueda, Nicolas Florsch, Florian Téreygeol. Integrated energy simulation of medieval mining systems. 1st Symposium in Artificial Intelligence and Applied Mathematics for History and Archaeology, Nov 2023, Nice, France. ⟨hal-04329308⟩
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