Comparative study of divertor and limiter concepts in FER

Comparative study of engineering features is carried out for divertor and pumped limiter reactor concepts. These concepts are: double null divertor as a reference concept of FER, single null divertor, single pumped limiter with medium edge temperature and single pumped limiter with low edge temperature. Plasma parameters of these concepts are determined by maintaining plasma confinement performance. It is found that the double null divertor is the least favorable; and the medium edge temperature limiter is the most favorable from most of the engineering standpoints. (author)