GSE Systems launches MAAP-HD for severe nuclear accident training, response

Source: GSE Systems, Inc.

GSE Systems, Inc. (GSE or the Company) (NYSE:GVP), a global energy services solutions provider and the world leader in providing high-fidelity nuclear plant simulators, today announced the availability of MAAP-HD™, an engineering-grade nuclear simulation solution that allows operations personnel to train for and develop responses to severe accident scenarios based on the operations of their specific facility. MAAP-HD’s real-time code can be integrated with a nuclear plant’s existing full-scope training simulator, and is applicable to all current nuclear plant designs. 

The unprecedented events that impacted the operations of the Fukushima Daiichi Nuclear Power Plant in March 2011 have focused renewed attention on the readiness of nuclear plants to effectively address crisis conditions that exceed the design of the facility. These severe accidents, which are defined by the U.S. Nuclear Regulatory Commission (NRC) as events that, “…may challenge safety systems at a level much higher than expected,” are generally associated with a loss of core coolant and the subsequent meltdown of core material. Such events, while extremely rare, can lead to containment breaches and the release of radioactive material into the environment. 

MAAP-HD is an enhanced, real-time version of the industry standard MAAP5 severe accident analysis code originally developed by Fauske & Associate, LLC under the sponsorship of the Electric Power Research Institute. MAAP-HD can be used to validate the utility’s Severe Accident Management Guidelines, demonstrate the safety of current plant designs to regulators and stakeholders, and identify potential issues with existing plant design that may require modification. 

MAAP-HD includes high-fidelity models of the plant’s reactor core, containment structures and spent fuel pool. The models simulate severe accident conditions which mirror those that occurred at the Fukushima facility, such as the release of radioactive materials due to overheating of the core, exposure of the fuel rods in the spent fuel pool, and hydrogen build up in the containment building. 

Jim Eberle, Chief Executive Officer of GSE, commented, “In its recently issued report following the events at Fukushima, the NRC suggested a number of initiatives to enhance the preparedness of the nation’s nuclear workforce, including enhanced severe accident training. We believe that MAAP-HD’s ability to train nuclear personnel on the sequence of events during severe accident conditions and implement safe recovery operations positions the product as an important part of any comprehensive approach to strengthening nuclear safety protocols.” 

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