10.22. The terms nuclear fuel management and in-core fuel management are often used interchangeably. However, it is useful to refer to those decisions that relate to multioperating cycle planning as nuclear fuel man­agement. This might also include strategic decisions associated with pre­reactor fuel operations. For example, planned cycle length is dependent on utility requirements, while feed enrichment and feed batch size are cycle dependent. Thus, there is a necessary coupling between the larger multi­cycle, and often multigenerating unit picture and the smaller single-cycle design requirements. For our purposes, the term in-core fuel management refers to the design decisions for a single burnup cycle, which are concerned primarily with specifying the loading pattern and control strategies within the constraints given by plant design limits and technical specifications.