Patents by Inventor James Courtney Shaug

James Courtney Shaug has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6674825
    Abstract: A method and system for thermal-dynamic modeling and performance evaluation of a nuclear Boiling Water Reactor (BWR) core design is presented. Based on a predetermined generic transient bias and uncertainty distribution in the change in critical power ratio (&Dgr;CPR/ICPR), shifted histograms of fuel rod critical power ratio (CPR) are generated. Ultimately, the operating limit minimum critical power ratio (OLMCPR) of the reactor is directly evaluated from a shifted histogram of fuel rod CPRs for a particular set of initial conditions which result in a probability calculation representing the number of fuel rods subject to a boiling transition (NRSBT) during the transient condition being equal to a predetermined value.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: January 6, 2004
    Assignee: Global Nuclear Fuel - Americas, L.L.C.
    Inventors: Francis Thomas Bolger, Jens Georg Munthe Andersen, Charles Lee Heck, James Courtney Shaug
  • Patent number: 6611572
    Abstract: A method and system for thermal-dynamic modeling and performance evaluation of a nuclear Boiling Water Reactor (BWR) core design is presented. A data processing system is used to execute specific program routines that simultaneously simulate the thermal operating characteristics of fuel rods within the reactor during a transient operational condition. The method employs a multi-dimensional approach for the simulation of postulated operational events or an anticipated operational occurrence (AOO) which produces a transient condition in the reactor—such as might be caused by single operator error or equipment malfunction. Based on a generic transient bias and uncertainty in the change in critical power ratio (&Dgr;CPR/ICPR), histograms of fuel rod critical power ratio (CPR) are generated.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: August 26, 2003
    Assignee: Global Nuclear Fuel - Americas, L.L.C.
    Inventors: Francis Thomas Bolger, Jens Georg Munthe Andersen, Charles Lee Heck, James Courtney Shaug
  • Publication number: 20030002613
    Abstract: A method and system for thermal-dynamic modeling and performance evaluation of a nuclear Boiling Water Reactor (BWR) core design is presented. A data processing system is used to execute specific program routines that simultaneously simulate the thermal operating characteristics of fuel rods within the reactor during a transient operational condition. The method employs a multi-dimensional approach for the simulation of postulated operational events or an anticipated operational occurrence (AOO) which produces a transient condition in the reactor—such as might be caused by single operator error or equipment malfunction. Based on a generic transient bias and uncertainty in the change in critical power ratio (&Dgr;CPR/ICPR), histograms of fuel rod critical power ratio (CPR) are generated.
    Type: Application
    Filed: March 27, 2002
    Publication date: January 2, 2003
    Applicant: GLOBAL NUCLEAR FUEL - AMERICAS, L.L.C.
    Inventors: Francis Thomas Bolger, Jens Georg Munthe Andersen, Charles Lee Heck, James Courtney Shaug
  • Publication number: 20020122521
    Abstract: A method and system for thermal-dynamic modeling and performance evaluation of a nuclear Boiling Water Reactor (BWR) core design is presented. A data processing system is used to execute specific program routines that simultaneously simulate the thermal operating characteristics of fuel rods within the reactor during a transient operational condition. The method employs a multi-dimensional approach for the simulation of postulated operational events or an anticipated operational occurrence (AOO) which produces a transient condition in the reactor—such as might be caused by single operator error or equipment malfunction. Based on a generic transient bias and uncertainty in the change in critical power ratio (&Dgr;CPR/ICPR), histograms of fuel rod critical power ratio (CPR) are generated.
    Type: Application
    Filed: December 29, 2000
    Publication date: September 5, 2002
    Inventors: Francis Thomas Bolger, Jens Georg Munthe Andersen, Charles Lee Heck, James Courtney Shaug