Product Name: Advanced Models
Manufacturer Name: L3Harris Technologies
Product Description: Advanced Models, including Comet™ and Comet Plus™, are cutting-edge simulation tools designed for reactor neutron kinetics, utilizing first principle physics and advanced numerical techniques. Comet™ is tailored for heavy water reactors (PHWRs) and employs the Mesh-Centered Finite Difference (MCFD) method, enhanced by Generalized Equivalence Theory for accurate homogenized parameter calculations. In contrast, Comet Plus™ focuses on light water reactors (LWRs) and gas-cooled reactors (GCRs), utilizing the Nodal Expansion Method (NEM) that achieves exceptional precision by representing flux with a fourth-order polynomial. Both models operate in three dimensions, solving neutron diffusion equations at each node without relying on approximations. They account for various factors such as xenon and iodine concentrations, delayed neutron groups, decay heat calculations, and the unique behaviors of control rods. The Orchid® Core Builder tool enhances user experience by enabling graphical modifications and validation of neutronic data, supporting multiple lattice codes while facilitating cycle-specific simulator training in line with industry recommendations.
Country: United States
Status: Published
Main Category: Product Directory | Training / Simulation Systems
Sub-Categories: TACTICAL TOOLS (LAND) | DISPLAY / COMPUTER / COMMAND AND CONTROL SYSTEMS (LAND) | SOFTWARES (LAND) | LAND DEFENCE PRODUCTS
