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- W4380082118 abstract "The most used algae cultivation systems are the open-channel raceway ponds for their low maintenance and energy costs. Raceways allow algal cultivation using wastewater, where algae mass can be employed as source for bioenergy production. One of the main external factors influencing algal productivity is the velocity of the liquid inside the pond, that can be easily controlled by the position and/or rotational speed of the turning paddle wheel, and by the height of water. In this work we introduce a novel methodology to automate the optimization of the design of raceway ponds based on techniques of optimal control of partial differential equations. So, we formulate the problem as a control problem where the state system is given by the coupled nonlinear equations for hydrodynamics and algae/nitrogen/phosphorus concentrations, and the objective function to be maximized represents the global concentration of algae at final time. We present here a detailed, rigorous mathematical formulation of the optimal control problem, we propose a numerical algorithm for its resolution, and we show some preliminary computational results related to the numerical modelling of the problem." @default.
- W4380082118 created "2023-06-10" @default.
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- W4380082118 date "2023-01-01" @default.
- W4380082118 modified "2023-09-24" @default.
- W4380082118 title "Algal Cultivation for Bioenergy Production: First Mathematical Modelling Results in Raceways" @default.
- W4380082118 doi "https://doi.org/10.23967/admos.2023.016" @default.
- W4380082118 hasPublicationYear "2023" @default.
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