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Fusion Engineering and Design 45 (1999) 145167 Exploring novel high power density concepts for attractive
 

Summary: Fusion Engineering and Design 45 (1999) 145167
Exploring novel high power density concepts for attractive
fusion systems
Mohamed A. Abdou *, The APEX Team
Mechanical and Aerospace Engineering Department, Uni6ersity of California Los Angeles, 44-114 Engineering IV, Los Angeles,
CA 90095, USA
Received 5 October 1998; received in revised form 15 January 1999
Abstract
The Advanced Power Extraction (APEX) study is aimed at exploring innovative concepts for fusion power
technology (FPT) that can tremendously enhance the potential of fusion as an attractive and competitive energy
source. Specifically, the study is exploring new and `revolutionary' concepts that can provide the capability to
efficiently extract heat from systems with high neutron and surface heat loads while satisfying all the FPT functional
requirements and maximizing reliability, maintainability, safety, and environmental attractiveness. The primary
criteria for measuring performance of the new concepts are: (1) high power density capability with a peak neutron
wall load (NWL) of 10 MW m-2
and surface heat flux of 2 MW m-2
; (2) high power conversion efficiency,
40% net; and (3) clear potential to achieve high availability; specifically low failure rate, large design margin, and
short downtime for maintenance. A requirement that MTBF\43 MTTR was derived as a necessary condition to
achieve the required first wall/blanket availability, where MTBF is the mean time between failures and MTTR is the

  

Source: Abdou, Mohamed - Fusion Science and Technology Center, University of California at Los Angeles

 

Collections: Plasma Physics and Fusion