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The Young Members Group works to encourage and enable all young professional members to be actively involved in the efforts and endeavors of the Society at all levels (Professional Divisions, ANS Governance, Local Sections, etc.) as they transition from the role of a student to the role of a professional. It sponsors non-technical workshops and meetings that provide professional development and networking opportunities for young professionals, collaborates with other Divisions and Groups in developing technical and non-technical content for topical and national meetings, encourages its members to participate in the activities of the Groups and Divisions that are closely related to their professional interests as well as in their local sections, introduces young members to the rules and governance structure of the Society, and nominates young professionals for awards and leadership opportunities available to members.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Fusion Science and Technology
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Former Exelon CEO Chris Crane remembered for “transformational milestones”
Crane
Exelon announced that Chris Crane, the company’s former chief executive, passed away on Saturday in Chicago at the age of 65.
Crane served as the company’s president and CEO from 2012 until his retirement in December 2022. During his tenure, he steered the energy company through several transformational milestones, including the successful mergers with Constellation Energy in 2012 and Pepco Holdings in 2016, creating the largest utility business by customer count in the United States.
In 2022, with the spin-off of Constellation as the generation and retail side of energy business (with the largest U.S. nuclear fleet), Crane led the creation of a stand-alone transmission and delivery energy company.
C. A. Frederick, R. R. Paguio, A. Nikroo, J. H. Hund, O. Acennas, M. Thi
Fusion Science and Technology | Volume 49 | Number 4 | May 2006 | Pages 657-662
Technical Paper | Target Fabrication | doi.org/10.13182/FST06-A1182
Articles are hosted by Taylor and Francis Online.
Resorcinol Formaldehyde (R/F) foam has been used in the fabrication of direct drive shell targets for Inertial Fusion Confinement (ICF) experiments at the University of Rochester's Laboratory for Laser Energetics (LLE). Recent cryogenic experiments at LLE using R/F shells have shown the necessity of larger pore foam compared to the standard R/F formulation. In this paper, we report controlling the pore size of R/F foam with concomitant control of the gelation time, which is crucial for successful shell fabrication. The "standard" formulation, with pores of <100 nm, was modified by decreasing the base catalyst to resorcinol concentration ratio creating a large pore R/F foam (~ >0.5 m) through reaction limited aggregation. However, this formulation decreased the gelation time, which decreased the yield of shells with proper wall uniformity (~ 30%) to an unacceptable level of <1%. We developed a technique to achieve control over the gelation time, while keeping the large pore characteristics of R/F to improve shell non-uniformity and increasing the yield to an acceptable level. We also developed a new technique for large pore formation involving changes to the acid catalyst concentration. The effects of this new formulation on the wall uniformity of shells are discussed. The pore distributions obtained using these new R/F foams were characterized using a variety of techniques, including electron microscopy, nitrogen gas adsorption, visible spectroscopy, and small angle x-ray scattering and compared to the standard small pore formulation.