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Title: Helium-Cooled Refractory Alloys First Wall and Blanket Evaluation

Abstract

Under the APEX program the He-cooled system design task is to evaluate and recommend high power density refractory alloy first wall and blanket designs and to recommend and initiate tests to address critical issues. We completed the preliminary design of a helium-cooled, W-5Re alloy, lithium breeder design and the results are reported in this paper. Many areas of the design were assessed, including material selection, helium impurity control, and mechanical, nuclear and thermal hydraulics design, and waste disposal, tritium and safety design. System study results show that at a closed cycle gas turbine (CCGT) gross thermal efficiency of 57.5%, a superconducting coil tokamak reactor, with an aspect ratio of 4, and an output power of 2 GWe, can be projected to have a cost of electricity at 54.6 mill/kWh. Critical issues were identified and we plan to continue the design on some of the critical issues during the next phase of the APEX design study.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
General Atomics, San Diego, CA (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
766826
Report Number(s):
GA-A23177
TRN: US0201004
DOE Contract Number:  
AC03-99ER54463m; W-7405-ENG-36; AC05-96OR22464; AC04-94AL85000; W-31-109-ENG-38
Resource Type:
Conference
Resource Relation:
Conference: 5th International Symposium on Fusion Nuclear Technology, Rome (IT), 09/19/1999--09/24/1999; Other Information: PBD: 1 Aug 1999
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; REFRACTORIES; ASPECT RATIO; EVALUATION; FIRST WALL; HELIUM; POWER DENSITY; SUPERCONDUCTING COILS; THERMAL EFFICIENCY; BREEDING BLANKETS; DESIGN; TUNGSTEN ALLOYS; RHENIUM ALLOYS; LITHIUM; TOKAMAK DEVICES; GAS TURBINES

Citation Formats

Wong, C.P.C., Nygren, R.E., Baxi, C.B., Fogarty, P., Ghoniem, N., Khater, H., McCarthy, K., Merrill, B., Nelson, B., Reis, E.E., Sharafat, S., Schleicher, R., Sze, D.K., Ulrickson, M., Willms, S., Youssef, M., and Zinkel, S. Helium-Cooled Refractory Alloys First Wall and Blanket Evaluation. United States: N. p., 1999. Web.
Wong, C.P.C., Nygren, R.E., Baxi, C.B., Fogarty, P., Ghoniem, N., Khater, H., McCarthy, K., Merrill, B., Nelson, B., Reis, E.E., Sharafat, S., Schleicher, R., Sze, D.K., Ulrickson, M., Willms, S., Youssef, M., & Zinkel, S. Helium-Cooled Refractory Alloys First Wall and Blanket Evaluation. United States.
Wong, C.P.C., Nygren, R.E., Baxi, C.B., Fogarty, P., Ghoniem, N., Khater, H., McCarthy, K., Merrill, B., Nelson, B., Reis, E.E., Sharafat, S., Schleicher, R., Sze, D.K., Ulrickson, M., Willms, S., Youssef, M., and Zinkel, S. Sun . "Helium-Cooled Refractory Alloys First Wall and Blanket Evaluation". United States. https://www.osti.gov/servlets/purl/766826.
@article{osti_766826,
title = {Helium-Cooled Refractory Alloys First Wall and Blanket Evaluation},
author = {Wong, C.P.C. and Nygren, R.E. and Baxi, C.B. and Fogarty, P. and Ghoniem, N. and Khater, H. and McCarthy, K. and Merrill, B. and Nelson, B. and Reis, E.E. and Sharafat, S. and Schleicher, R. and Sze, D.K. and Ulrickson, M. and Willms, S. and Youssef, M. and Zinkel, S.},
abstractNote = {Under the APEX program the He-cooled system design task is to evaluate and recommend high power density refractory alloy first wall and blanket designs and to recommend and initiate tests to address critical issues. We completed the preliminary design of a helium-cooled, W-5Re alloy, lithium breeder design and the results are reported in this paper. Many areas of the design were assessed, including material selection, helium impurity control, and mechanical, nuclear and thermal hydraulics design, and waste disposal, tritium and safety design. System study results show that at a closed cycle gas turbine (CCGT) gross thermal efficiency of 57.5%, a superconducting coil tokamak reactor, with an aspect ratio of 4, and an output power of 2 GWe, can be projected to have a cost of electricity at 54.6 mill/kWh. Critical issues were identified and we plan to continue the design on some of the critical issues during the next phase of the APEX design study.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {8}
}

Conference:
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