The Experts below are selected from a list of 27 Experts worldwide ranked by ideXlab platform
Hiroyasu Tanigawa - One of the best experts on this subject based on the ideXlab platform.
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multimodal options for materials research to advance the basis for fusion energy in the iter era
Nuclear Fusion, 2013Co-Authors: S J Zinkle, A Moslang, T Muroga, Hiroyasu TanigawaAbstract:Well-coordinated international fusion materials research on multiple fundamental feasibility issues can serve an important role during the next ten years. Due to differences in national timelines and fusion device concepts, a parallel-track (multimodal) approach is currently being used for developing fusion energy. An overview is given of the current state-of-the-art of major candidate materials systems for next-step fusion reactors, including a summary of existing knowledge regarding operating temperature and neutron irradiation fluence limits due to high-temperature strength and radiation damage considerations, coolant compatibility information, and current industrial manufacturing capabilities. There are two inter-related overarching objectives of fusion materials research to be performed in the next decade: (1) understanding materials science phenomena in the demanding DT fusion energy environment, and (2) application of this knowledge to develop and qualify materials to provide the basis for next-step facility construction authorization by funding agencies and public Safety Licensing authorities. The critical issues and prospects for development of high-performance fusion materials are discussed along with recent research results and planned activities of the international materials research community.
Wolfgang A. Halang - One of the best experts on this subject based on the ideXlab platform.
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Safety Licensing of Real-Time and Control Software
IFAC Proceedings Volumes, 1995Co-Authors: Wolfgang A. HalangAbstract:Abstract A large part of real-time and computer control applications are Safety related. Hence, the software involved must be rigorously verified, i.e., Safety licensed, which is a very difficult and not yet satisfactorily solved task. In this paper, the intrinsic problems and fundamental principles of Safety Licensing software are worked out. The importance of the human element in this process is emphasised. Striving for simplicity, the use of two software development paradigms especially suitable for Safety critical control systems and easy verification, viz., function block diagrams and cause effect tables, is advocated for.
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an architecture enabling the Safety Licensing of real time controllers
IFAC Workshop on Algorithms and Architectures for Real-Time Control, 1992Co-Authors: Wolfgang A. Halang, Soonkey JungAbstract:Abstract A low-complexity, fault-detecting computer architecture for utilisation in programmable logic controllers is designed. The cyclic operating mode of PLCs and a specification level programming paradigm based on the interconnection of application oriented standard software function modules are architecturally supported. Thus, by design, there is no semantic gap between the programming and machine execution levels enabling the Safety Licensing of application software by an extremely simple, but rigorous method.
S J Zinkle - One of the best experts on this subject based on the ideXlab platform.
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multimodal options for materials research to advance the basis for fusion energy in the iter era
Nuclear Fusion, 2013Co-Authors: S J Zinkle, A Moslang, T Muroga, Hiroyasu TanigawaAbstract:Well-coordinated international fusion materials research on multiple fundamental feasibility issues can serve an important role during the next ten years. Due to differences in national timelines and fusion device concepts, a parallel-track (multimodal) approach is currently being used for developing fusion energy. An overview is given of the current state-of-the-art of major candidate materials systems for next-step fusion reactors, including a summary of existing knowledge regarding operating temperature and neutron irradiation fluence limits due to high-temperature strength and radiation damage considerations, coolant compatibility information, and current industrial manufacturing capabilities. There are two inter-related overarching objectives of fusion materials research to be performed in the next decade: (1) understanding materials science phenomena in the demanding DT fusion energy environment, and (2) application of this knowledge to develop and qualify materials to provide the basis for next-step facility construction authorization by funding agencies and public Safety Licensing authorities. The critical issues and prospects for development of high-performance fusion materials are discussed along with recent research results and planned activities of the international materials research community.
B.j. Merrill - One of the best experts on this subject based on the ideXlab platform.
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breeding blanket system design implications on tritium transport and permeation with high tritium ion implantation a matlab simulink comsol integrated dynamic tritium transport model for hccr tbs
Fusion Engineering and Design, 2018Co-Authors: Alice Ying, B.j. MerrillAbstract:Abstract An integrated, multi-physics, dynamic predictive tool to quantify tritium retention, removal, and permeation for HCCR Test Blanket System (TBS) is presented in this paper. The tool expands from detailed COMSOL component models developed previously at UCLA, into an integrated, system-level blanket model using MATLAB/Simulink. It aims at achieving self-consistent predictions in particular concerning dynamic tritium concentration built-up in the He coolant. The integration is achieved by implementing COMSOL component models in the discrete section of Simulink S-Functions. The model replicates HCCR TBS process flow diagram and preserves main tritium flow characteristics for both helium cooling and tritium extraction systems. Current results demonstrate importance of detailed component models as well as dynamic simulation for improved accuracy on answers to questions related to Safety/Licensing and designs.
A Moslang - One of the best experts on this subject based on the ideXlab platform.
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multimodal options for materials research to advance the basis for fusion energy in the iter era
Nuclear Fusion, 2013Co-Authors: S J Zinkle, A Moslang, T Muroga, Hiroyasu TanigawaAbstract:Well-coordinated international fusion materials research on multiple fundamental feasibility issues can serve an important role during the next ten years. Due to differences in national timelines and fusion device concepts, a parallel-track (multimodal) approach is currently being used for developing fusion energy. An overview is given of the current state-of-the-art of major candidate materials systems for next-step fusion reactors, including a summary of existing knowledge regarding operating temperature and neutron irradiation fluence limits due to high-temperature strength and radiation damage considerations, coolant compatibility information, and current industrial manufacturing capabilities. There are two inter-related overarching objectives of fusion materials research to be performed in the next decade: (1) understanding materials science phenomena in the demanding DT fusion energy environment, and (2) application of this knowledge to develop and qualify materials to provide the basis for next-step facility construction authorization by funding agencies and public Safety Licensing authorities. The critical issues and prospects for development of high-performance fusion materials are discussed along with recent research results and planned activities of the international materials research community.
