Blast furnaces 2 blast furnace Blast furnace hearth 1 CFD-DEM 1 Carbon dioxide 1 Coal 1 Coke 1 Computational Fluid Dynamics 1 Computational fluid dynamics 1 DEM Simulation 1 Deadman 1 Discrete Element Method 1 Discrete elements method 1 Efficiency 1 Flow patterns 1 Gas emissions 1 Greenhouse gas emissions 1 Greenhouse gases 1 Hearth 1 Heat balance 1 Heat transfer 1 Hot metal 1 Hydrogen injection 1 Injection rates 1 Large scale simulations 1 Large-scales 1 Liquid flow 1 Liquids 1 Mass balance 1 Mass transfer 1