TABLE OF CONTENTS J. H. HUANG, Y. K. ZHU, P. ZH.DENG
Southwest Institute of Physics, China
A conceptual design study of a high power density blanket has been carried out. The Fusion Experimental Breeder, FEB, is adopted as the reference reactor. The neutron wall loading is 0.5 MW/m 2. The blanket is cooled by 10 MPa helium in tube. The concept of LiPb eutectic/ transuranium oxide suspension is adopted. The neutronics design is performed to provide the design basis, and it gives an energy multiplication of 37 and a flattened power density distribution with a peak value of 70 W/m 3. Multiple cooling panels are introduced to reduce the peak temperature of the blanket. In spite of up to 15 cooling panels, the blanket module is calculated using the ANSYS code and analytically as well. The results are consistent with each other and can meet the thermal criteria. However, structural calculation results from ANSYS did not satisfy the criterion: The blanket structure design is then improved by using curved cooling panels to model the structure in detail. Temperature distribution is obtained using the Pro/Mechanica code. Detailed structural analyses are also done by this code. Some satisfactory results are obtained.
Key words: high power density, blanket design
The blanket is one of the most important components in a fusion reactor. It operates under severe circumstances: it suffers from high-energy charged particle bombardment, high-energy neutron irradiation, high E M loads, high temperature etc. In addition, maintenance of the blanket is very time-consuming.
