?url_ver=Z39.88-2004&rft_id=2017041034&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+KARAKTERISTIK+ALIRAN+FLUIDA+PENDINGIN+PADA+TERAS+REAKTOR+SMALL+MODULAR+REACTOR+(SMR)+MENGGUNAKAN+COMSOL+MULTIPHYSICS&rft.creator=Nuraini%2C++&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Penelitian+ini+bertujuan+untuk+menganalisis+pengaruh+variasi+kecepatan+inlet+dan+fluks+panas+terhadap+karakteristik+aliran+fluida+dalam+teras+reaktor+Small+Modular+Reactor+(SMR)+menggunakan+COMSOL+Multiphysics.+Penelitian+ini+difokuskan+pada+distribusi+suhu%2C+tekanan%2C+dan+kecepatan+fluida+pendingin+untuk+kondisi+operasi+normal.+Metode+yang+digunakan+adalah+simulasi+berbasis+metode+elemen+hingga%2C+dengan+validasi+model+dilakukan+melalui+benchmarking+terhadap+hasil+penelitian+sebelumnya+untuk+memastikan+keakuratan+hasil+simulasi.+Hasil+simulasi+menunjukkan+bahwa+peningkatan+kecepatan+inlet+menghasilkan+distribusi+suhu+yang+lebih+homogen+dan+perpindahan+panas+yang+lebih+efektif%2C+tetapi+juga+meningkatkan+penurunan+tekanan+(pressure+drop)+dalam+sistem.+Pada+kecepatan+inlet+yang+lebih+tinggi%2C+distribusi+aliran+fluida+cenderung+lebih+merata%2C+dengan+efek+viskositas+yang+signifikan+pada+dinding+saluran.+Sementara+itu%2C+fluks+panas+yang+lebih+tinggi+meningkatkan+suhu+maksimum+di+sekitar+bahan+bakar%2C+yang+memerlukan+penyesuaian+parameter+operasi+untuk+menjaga+keamanan+termal.+Simulasi+menunjukkan+bahwa+suhu+keluaran+maksimum+berada+dalam+rentang+operasi+normal+untuk+reaktor+tipe+air+bertekanan+(PWR)%2C+tetapi+memerlukan+perhatian+khusus+terhadap+material+sistem+pendingin.+Penelitian+ini+memberikan+wawasan+penting+dalam+optimasi+desain+sistem+pendingin+reaktor+SMR.+Dengan+hasil+ini%2C+strategi+operasional+dan+desain+yang+lebih+efektif+dapat+dikembangkan+untuk+meningkatkan+efisiensi+dan+keselamatan+reaktor.+Hasil+ini+juga+menjadi+acuan+untuk+pengembangan+teknologi+SMR%2C+yang+relevan+dengan+kebutuhan+energi+bersih+dan+berkelanjutan.%0D%0A%0D%0AKata+kunci%3A+COMSOL+Multiphysics%2C+fluks+panas%2C+karakteristik+aliran+fluida%2C+kecepatan+inlet%2C+Small+Modular+Reactor%0D%0AThis+study+aims+to+analyse+the+effect+of+inlet+velocity+variation+and+heat+flux+on+fluid+flow+characteristics+in+the+Small+Modular+Reactor+(SMR)+reactor+core+using+COMSOL+Multiphysics.+This+research+is+focused+on+the+distribution+of+temperature%2C+pressure%2C+and+cooling+fluid+velocity+for+normal+operating+conditions.+The+method+was+finite+element+method-based+simulation%2C+with+model+validation+performed+through+benchmarking+compare+to+previous+research+results+to+ensure+the+accuracy+of+the+simulation+results.+The+simulation+results+show+that+increasing+the+inlet+velocity+results+in+a+more+homogeneous+temperature+distribution+and+more+effective+heat+transfer%2C+but+also+increases+the+pressure+drop+in+the+system.+At+higher+inlet+velocities%2C+the+fluid+flow+distribution+tends+to+be+more+even%2C+with+significant+viscosity+effects+at+the+channel+walls.+Meanwhile%2C+higher+heat+flux+increases+the+maximum+temperature+around+the+fuel%2C+which+requires+adjustment+of+operating+parameters+to+maintain+thermal+safety.+Simulations+show+that+the+maximum+output+temperature+is+within+the+normal+operating+range+for+a+pressurised+water-type+reactor+(PWR)%2C+but+requires+special+attention+to+the+cooling+system+materials.+This+research+provides+important+insights+into+the+design+optimisation+of+SMR+reactor+cooling+systems.+With+these+results%2C+more+effective+operational+and+design+strategies+can+be+developed+to+improve+reactor+efficiency+and+safety.+These+results+also+serve+as+a+reference+for+the+development+of+SMR+technology%2C+which+is+relevant+to+the+need+for+clean+and+sustainable+energy.%0D%0A%0D%0AKeywords%3A+COMSOL+Multiphysics%2C+fluid+flow+characteristics%2C+heat+flux%2C+inlet+velocity%2C+Small+Modular+Reactor%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2025-01-31&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82816%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82816%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82816%2F3%2FSKRIPSI%2520FULL%2520TANPA%2520PEMBAHASAN.pdf&rft.identifier=++Nuraini%2C+++(2025)+STUDI+KARAKTERISTIK+ALIRAN+FLUIDA+PENDINGIN+PADA+TERAS+REAKTOR+SMALL+MODULAR+REACTOR+(SMR)+MENGGUNAKAN+COMSOL+MULTIPHYSICS.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82816%2F