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HPS's Eric Goldin: On health physics
Eric Goldin, president of the Health Physics Society, is a radiation safety specialist with 40 years of experience in power reactor health physics, supporting worker and public radiation safety programs. A certified health physicist since 1984, he has served on the American Board of Health Physics, and since 2004, he has been a member of the National Council on Radiation Protection and Measurements’ Program Area Committee 2, which provides guidance for radiation safety in occupational settings for a variety of industries and activities. He was awarded HPS Fellow status in 2012 and was elected to the NCRP in 2014.
Goldin’s radiological engineering experience includes ALARA programs, instrumentation, radioactive waste management, emergency planning, dosimetry, decommissioning, licensing, effluents, and environmental monitoring.
The HPS, headquartered in Herndon, Va., is the largest radiation safety society in the world. Its membership includes scientists, safety professionals, physicists, engineers, attorneys, and other professionals from academia, industry, medical institutions, state and federal government, the national laboratories, the military, and other organizations.
The HPS’s activities include encouraging research in radiation science, developing standards, and disseminating radiation safety information. Its members are involved in understanding, evaluating, and controlling the potential risks from radiation relative to the benefits.
Goldin talked about the HPS and health physics activities with Rick Michal, editor-in-chief of Nuclear News.
Hiral Kadakia, Andrew Baker, Mark Paulsen
Nuclear Technology | Volume 202 | Number 1 | April 2018 | Pages 71-80
Technical Paper | dx.doi.org/10.1080/00295450.2017.1419785
Articles are hosted by Taylor and Francis Online.
RETRAN-3D is a versatile and reliable best-estimate five-equation thermal-hydraulic analysis code used for anticipated operational occurrences and for small-break loss-of-coolant accidents transient analysis of light water reactor systems. The RETRAN-3D accumulator model has been revised to predict behavior during short-intermediate and long-term transients in pressurized water reactors. The accumulator is a single-volume, two-region nonequilibrium component model that includes vessel geometry, wall metal mass, and wall and liquid region surface areas as a function of level. The model accounts for heat transfer effects from the vessel wall to the vapor region using a lumped parameter model and accounts for heat transfer from the liquid region to the gas region. Mass and energy balance equations are solved for the liquid region, and an energy equation is solved for the vapor region. A pressure equation of state provides the pressure as a function of the mass and energy of the liquid and vapor regions.
The new model is validated with loss-of-fluid test and semiscale experimental data, demonstrating that the model is capable of predicting the behavior of an accumulator for transients ranging from short term to long term and accounts for the effects of accumulator geometry such as surface area-to-volume ratio.