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Commercial utilization of weapon grade plutonium as TRISO fuel in conventional CANDU reactors

Oluşturulma Tarihi:

Niteleme Bilgileri

Tür: Makale

Yayınlanma Durumu: Yayınlanmış

Dosya Biçimi: Dosya Yok

Dil: İngilizce

Konu(lar): TEKNOLOJİ,

Yazar(lar): Şahin, Sümer (Yazar), Şahin, Hacı Mehmet (Yazar), Acır, Adem (Yazar),

Emeği Geçen(ler):


Yayın Tarihi: 25-11-2015 Yayın Niteleme Bilgileri: Kaynağın tam metnine ulaşmak için URL’ ye tıklayınız.


Dosya:
Dosya Yok

Anahtar Kelimeler

CANDU; TRISO; Carbide fuel; Weapon grade plutonium; High burn up



    Özet

    Large quantities of weapon grade (WG) plutonium have been accumulated in the nuclear warheads. Plutonium and heavy water moderator can give a good combination with respect to neutron economy. TRISO type fuel can withstand very high fuel burn up levels. The paper investigates the prospects of utilization of TRISO fuel made of WG-plutonium in CANDU reactors.

    Three different fuel compositions have been investigated: (1): 90% ThC + 10% PuC, (2): 70% ThC + 30% PuC and (3): 50% ThC + 50% PuC. The temporal variation of the criticality k and the burn-up values of the reactor have been calculated by full power operation up to 17 years. Calculated startup criticalities for these fuel modes arek∞,0 = 1.6403, 1.7228 and 1.7662, respectively.

    Attainable burn up values and reactor operation times without new fuel charge will be 94 700, 265 000 and 425 000 MW.D/MT and along with continuous operation periods of ∼3.5, 10 and 17 years, respectively, for the corresponding modes. These high burn ups would reduce fuel fabrication costs and nuclear waste mass for final disposal per unit energy drastically.



    İçindekiler



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    Notlar



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