LIFE hybrid reactor as reactor grade plutonium burner | Atılım Üniversitesi Açık Erişim Sistemi

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LIFE hybrid reactor as reactor grade plutonium burner

Oluşturulma Tarihi: 25-11-2015

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):

DOI: 10.1016/j.enconman.2011.12.031

URL: http://www.sciencedirect.com/science/article/pii/S0196890412001057

Yayın Niteleme Bilgileri: Kaynağın tam metnine ulaşmak için URL’ ye tıklayınız.

Dosya:
Dosya Yok

Anahtar Kelimeler

Inertial fusion energy; TRISO fuel; FLIBE molten salt; National ignition facility; Reactor-grade plutonium; Fusion–fission (hybrid) reactors

Özet

The early version of the conceptual modified design of the Laser Inertial Confinement Fusion Fission Energy (LIFE) engine consists of a spherical fusion chamber of 5 m diameter, surrounded by a multi-layered blanket. The first wall is made of 2 cm thick ODS and followed by a Li₁₇Pb₈₃ zone (2 cm), acting as neutron multiplier, tritium breeding and front coolant zone. It is separated by an ODS layer (2 cm) from the FLIBE molten salt zone (50 cm), containing fissionable fuel. A 3rd ODS layer (2 cm) separates the molten salt zone on the right side from the graphite reflector (30 cm).

Calculations have been conducted for a constant fusion driver power of 500 MW_th in S₈-P₃ approximation using 238-neutron groups. Reactor grade (RG) plutonium carbide fuel in form of TRISO particles with volume fractions of 2%, 3%, 4%, 5% and 6% have been dispersed homogenously in the FLIBE coolant.

Tritium breeding ratio (TBR) values per incident fusion neutron for the above cited cases start with TBR = 1.35, 1.52, 1.73, 2.02 and 2.47, respectively. With the depletion of fissionable RG-Pu isotopes, TBR decreases gradually. At startup, higher fissionable fuel content in the molten salt leads to higher blanket energy multiplication, namely M₀ = 3.8, 5.5, 7.7, 10.8 and 15.4 with 2%, 3%, 4%, 5% and 6% TRISO volume fraction, respectively. Calculations have led to very high burn up values (>400,000 MD.D/MT). TRISO particles can withstand such high burn ups. Such high burn ups would lead to drastic reduction of final nuclear waste per unit energy production.

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Moir, et al.Molten salt fuel version of laser inertial fusion fission energy (LIFE)Fusion Sci Technol, 56 (2009), p. 632View Record in Scopus | Full Text via CrossRef[12]E.I. Moses, T. Diaz de la Rubia, J.F. Latkowski, J.C. Farmer, R.P. Abbott, K.J. Kramer, P.F. Peterson, H.F. Shaw, R.F. Lehman IIA sustainable nuclear fuel cycle based on laser inertial fusion energy (LIFE)Fusion Sci Technol, 56 (2) (2009), p. 566View Record in Scopus | Citing articles (14)[13]R.P. Abbott, Michael A. Gerhard, Kevin J. Kramer, Jeffery F. Latkowski, Kevin L. Morris, Per F. Peterson, J.E. SeifriedThermal and mechanical design aspects of the LIFE engineFusion Sci Technol, 56 (2) (2009), p. 618View Record in Scopus | Full Text via CrossRef | Citing articles (18)[14]K.J. Kramer, J.F. Latkowski, R.P. Abbott, J.K. Boyd, J.J. Powers, J.E. 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LIFE hybrid reactor as reactor grade plutonium burner | Atılım Üniversitesi Açık Erişim Sistemi

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