Efficient Mathematical Modeling of an Integrated High Level Waste Processing Complex

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An integrated computational tool named the Production Planning Model (ProdMod) has been developed to simulate the operation of the entire high level waste complex (HLW) at the Savannah River Site (SRS) over its full life cycle. ProdMod is used to guide SRS management in operating the waste complex in an economically efficient and environmentally sound manner. SRS HLW operations are modeled using coupled algebraic equations. The dynamic nature of plant processes is modeled in the form of a linear construct in which the time dependence is implicit. Batch processes are modeled in discrete event-space, while continuous processes are modeled in ... continued below

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Gregory, M.V. April 13, 1999.

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An integrated computational tool named the Production Planning Model (ProdMod) has been developed to simulate the operation of the entire high level waste complex (HLW) at the Savannah River Site (SRS) over its full life cycle. ProdMod is used to guide SRS management in operating the waste complex in an economically efficient and environmentally sound manner. SRS HLW operations are modeled using coupled algebraic equations. The dynamic nature of plant processes is modeled in the form of a linear construct in which the time dependence is implicit. Batch processes are modeled in discrete event-space, while continuous processes are modeled in time-space. The ProdMod methodology maps between event-space and time-space such that the inherent mathematical discontinuities in batch process simulation are avoided, without sacrificing any of the necessary detail in the batch recipe steps. Modeling the processes separately in event- and time-space using linear constructs, and then coupling the two spaces, has accelerated the speed of simulation compared to a typical dynamic simulation. The ProdMod simulator models have been validated against operating data and other computer codes. Case studies have demonstrated the usefulness of the ProdMod simulator in developing strategies that demonstrate significant cost savings in operating the SRS HLW complex and in verifying the feasibility of newly proposed processes.

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  • Journal Name: Nuclear Technology

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  • Report No.: WSRC-MS-99-00202
  • Grant Number: AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 6028
  • Archival Resource Key: ark:/67531/metadc694825

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  • April 13, 1999

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  • Aug. 14, 2015, 8:43 a.m.

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  • Aug. 2, 2016, 1:13 p.m.

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Gregory, M.V. Efficient Mathematical Modeling of an Integrated High Level Waste Processing Complex, article, April 13, 1999; South Carolina. (digital.library.unt.edu/ark:/67531/metadc694825/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.