BELBACHIR, Amira AminaBAGHLI, Naoual2024-09-092024-09-092024http://dspace.univ-temouchent.edu.dz/handle/123456789/5026This thesis explores the implementation of a closed system in the SARL Iyad Fish tilapia aquaculture farm douar mghana wilaya Ain témouchent , aiming to optimize water management and improve environmental sustainability. By using advanced principles of fluid mechanics, the system ensures efficient circulation, optimal filtration, and precise regulation of water quality parameters. The study analyzes the impacts on fish growth, waste reduction, and energy efficiency, demonstrating the economic and ecological benefits of a closed aquaculture system.frThesis