?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Uji+Kritikalitas+dan+Pengayaan+Reaktor+Air%0D%0ASuperkritis+(SCWR)+dengan+Bahan+Bakar%0D%0AUranium+-+Thorium+(Criticality+and+Enrichment+Supercritical+Water+Reactor+(SCWR)%0D%0AWith+Uranium+%E2%80%93+Thorium+Fuel)&rft.creator=Sunaryo%2C+Meliana+Selviani&rft.subject=Q+Science+(General)&rft.subject=QC+Physics&rft.description=Telah+dilakukan+penelitian+untuk+menguji+kritikalitas+dan+pengayaan+reaktor+air+superkritis+(Super+Critical+Water+Reactor)+menggunakan+bahan+dasar+thorium-uranium.+Adapun+tujuan+dari+penelitian+ini+antara+lain+mengetahui+pengayaan+(enrichment)+U233+pada+reaktor+air+superkritis+(SCWR)+agar+reaktor+berada+dalam+keadaan+kritis+ditunjukkan+dengan+nilai+keff+%3D+1%2C00000%2C+mengetahui+radius+pin+bahan+bakar+reaktor+air+superkritis+(SCWR)+untuk+mendapatkan+bentuk+pembakaran+yang+efisien+dan+reaktor+berada+dalam+keadaan+kritis+ditunjukkan+dengan+nilai+keff+%3D+1%2C00000%2C+dan+menganalisis+pembiakan+(breeding)+reaktor+yang+ditunjukkan+dengan+meningkatnya+densitas+atom+U233+setelah+pembakaran.+Penelitian+ini+menggunakan+program+untuk+mendesain+reaktor+adalah+SRAC+(+Standard+thermal+Reactor+Analysis+Code).+Data+berupa+radius+pin+bahan+bakar+dan+ukuran+moderator+dihitung+menggunakan+PIJ+dalam+program+SRAC.+Hasil+dari+penelitian+ini+yaitu+reaktor+mencapai+keadaan+kritis+pada+pengayaan+3%2C6%25+dengan+keff+0%2C991635%2C+bila+dibulatkan+akan+~1%2C00000.+Radius+pin+bahan+bakar+yang+mendekati+kritis+yaitu+pada+radius+0%2C4219+dengan+keff+1%2C004902.+Sedangkan+untuk+ukuran+moderator+yang+berada+dalam+keadaan+kritis+yaitu+pada+radius+0%2C7016+%CE%BCm+dengan+keff+1%2C004978+masing-masing+pada+pembakaran+hingga+~33009%2C5+MWd%2Fton.+Terdapat+densitas+atom+(atom%2Fcm3)+U233+dan+Th232+serta+produk+fisi+lain+seperti+U235%2C+U238%2C+dan+Pu239.+Dapat+disimpulkan+bahwa+Keff+dan+pembakaran+(MWd%2Fton)+meningkat+seiring+dengan+bertambahnya+muatan+U233+yang+dimuat+kedalam+teras+reaktor+serta+perluasan+ukuran+pin+bahan+bakar+dan+moderator.+Reaktor+pada+penelitian+ini+tidak+dapat+disebut+breeder+karena+mengalami+penurunan+densitas+atom+U233+setelah+pembakaran+dan+mempunyai+nilai+BR%3C1.%0D%0AKata+kunci%3A+kritikalitas%2C+pengayaan%2C+SCWR%2C+kritis%2C+pin+bahan+bakar%2C+moderator%2C+keff%2C+breeder.+(Research+examined+the+criticality+and+enrichment+supercritical+water+reactor+(Super+Critical+Water+Reactor)+using+thorium-uranium+material+has+been+done.+The+purposed+of+this+study%2C+knowing+enrichment+U233+on+supercritical+water+reactor+(SCWR)+that+the+reactor+is+in+a+critical+condition+has+indicated+by+the+value+of+keff+%3D+1%2C00000%2C+knowing+the+fuel+pin+radius+of+supercritical+water+reactor+(SCWR)+to+get+burnup+and+efficient+reactors+were+in+critical+condition+indicated+by+the+value+of+keff+%3D+1%2C00%2C000%2C+and+analyzed+breeding+reactor+has+indicated+by+the+increasing+atomic+density+of+U233+after+burnup.+This+study+are+performed+by+a+program+to+design+the+reactor+SRAC+code+system.+Data+of+fuel+pin+radius+and+moderators+size+is+calculated+by+the+PIJ+in+SRAC+program.+Results+from+this+research+that+the+reactor+reached+critical+condition+at+3.6%25+enrichment+with+keff+0.991635%2C+if+rounded+to+~+1%2C00000.+Fuel+pin+radius+who+approached+the+critical+is+0.4219+%CE%BCm+radius+with+keff+1.004902.+The+moderator+who+was+in+critical+condition+is+0.7016+%CE%BCm+radius+with+keff+1.004978%2C+respectively+burnup+~+33009.5+MWD+%2F+ton.+Atomic+density+of+U233+and+Th232+and+other+fission+products+such+as+U235%2C+U238%2C+and+Pu239.+It+can+be+concluded+that+the+keff+and+burnup+(MWD+%2F+ton)+increase+with+U233+is+loaded+into+the+reactor+core+and+the+expansion+of+the+size+of+the+fuel+pin+and+moderator+radius.+Reactor+in+this+study+can+not+be+called+a+breeder+because+U233+atomic+density+decreased+after+burnup+and+has+a+value+of+BR+%3C1.%0D%0AKeywords%3A+criticality%2C+enrichment%2C+SCWR%2C+fuel+pin%2C+moderator%2C+keff%2C+breeder.)&rft.publisher=Fakultas+MIPA&rft.date=2013-09-23&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F1%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F3%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F4%2FHAL%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F5%2FHAL%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F6%2FPERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F7%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F8%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F9%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F876%2F10%2FBAB%2520III.pdf&rft.format=text&rft.id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