The development of safe nuclear fuel pellets is critical to future reactor designs. one project the engineers have is to look into what happens when the reactor cooling system fails and the heat transfer mechanism changes from forced convective cooling of the pellets to free con vective cooling (coefficient-h) the reactor cooling fluid is essentially infinite in extent and remains at a uniform temperature of t the pellet generates heat at a rate that varies with the pellet temperature: q* = q(t-t)w/m3 k =50 w/m k p 1500 kg/m3 c 450 j/kg k t, 20°c h55 w/m2 k t, = 125°c - q0= 55,000 w/m3 k peller= 4 mm assuming the lumped capacitance approach is appropriate, derive the transient differ- ential heat balance and solve the resulting differential equation (pellet temperature at t 0 is t)
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Chemistry, 22.06.2019 07:10
Which of these conditions most likely produces an unstable isotope?
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Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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The development of safe nuclear fuel pellets is critical to future reactor designs. one project the...
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