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During normal operation of a nuclear reactor, the highest power density in fuel pellets is equal to 900 MW m3. Find an increase of the maximum fuel and clad temperature if suddenly the heat transfer coefficient at the clad surface drops due to CHF from 50000 to 2000 W m²K!. The fuel rod geometry is shown in FIGURE 4-12. Fuel rFo=4.2 mm rGo=4.25 mm rCo=4.8 mm FIGURE 4-12: Fuel element used for calculations -Gap +Cladding

During normal operation of a nuclear reactor, the highest power density in fuel pellets is equal to 900 MW m3. Find an increase of the maximum fuel and clad temperature if suddenly the heat transfer coefficient at the clad surface drops due to CHF from 50000 to 2000 W m²K!. The fuel rod geometry is shown in FIGURE 4-12. Fuel rFo=4.2 mm rGo=4.25 mm rCo=4.8 mm FIGURE 4-12: Fuel element used for calculations -Gap +Cladding

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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(1) During normal operation of a nuclear reactor, the highest power density in fuel pellets is equal to 900 MW m³. Find an increase of the maximum fuel and clad temperature if suddenly the heat transfer coefficient at the clad surface drops due to CHF from 50000 to 2000 W m-2K-!. The fuel rod geometry is shown in FIGURE 4-12. Fuel IFo=4.2 mm rGo=4.25 mm rCo-4.8 mm FIGURE 4-12: Fuel element used for calculations Gap +Cladding
Transcribed Image Text:(1) During normal operation of a nuclear reactor, the highest power density in fuel pellets is equal to 900 MW m³. Find an increase of the maximum fuel and clad temperature if suddenly the heat transfer coefficient at the clad surface drops due to CHF from 50000 to 2000 W m-2K-!. The fuel rod geometry is shown in FIGURE 4-12. Fuel IFo=4.2 mm rGo=4.25 mm rCo-4.8 mm FIGURE 4-12: Fuel element used for calculations Gap +Cladding
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