Nuclear Reactor Physics Qestions me

In the centre of the core of a 1000 MWe BWR, the observed fission rate is 1.7×1012 cm-3 s-1 and the observed temperature of the fuel is 800 oC. What will be the fission rate at the same location if the temperature is raised to 1000 oC? (Hint, Σf is a non- 1/v cross-section.)In summary, the first question asks for the atom density of 18O in dry air at normal temperature and pressure. To find this, we need to determine the mole fraction of oxygen in air, which is 0.23. Then, we can apply the isotopic fraction of 18
  • #1
cimgo1903
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Why don't you answer my Nuclear Reactor Physics Qestions? ...Please Help me

[/B]1 ) Dry air at normal temperature and pressure has a mass density of 0.0012 g/cm3 with a mass fraction of oxygen of 0.23. What is the atom density of 18O?


2) In the centre of the core of a 1000 MWe BWR, the observed fission rate is 1.7×1012 cm-3 s-1 and the observed temperature of the fuel is 800 oC. What will be the fission rate at the same location if the temperature is raised to 1000 oC? (Hint, Σf is a non- 1/v cross-section.)
 
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  • #2


cimgo1903 said:
[/B]1 ) Dry air at normal temperature and pressure has a mass density of 0.0012 g/cm3 with a mass fraction of oxygen of 0.23. What is the atom density of 18O?
Please show work. Determine the mole fraction of oxygen in air. Then apply the isotopic fraction of 18O.
 

1. What is a nuclear reactor?

A nuclear reactor is a type of device that is used to initiate and control a sustained nuclear chain reaction, which produces heat and ultimately electricity. It is the key component in a nuclear power plant.

2. How does a nuclear reactor work?

A nuclear reactor works by using a controlled nuclear chain reaction to generate heat. This heat is then used to produce steam, which drives a turbine to generate electricity. The process is similar to how a traditional power plant works, except that instead of burning fossil fuels, a nuclear reactor uses the energy released from splitting atoms.

3. What type of fuel is used in nuclear reactors?

The most commonly used fuel in nuclear reactors is enriched uranium, which is uranium with a higher concentration of the isotope U-235. Other types of fuel, such as plutonium, can also be used in certain types of reactors. However, all nuclear fuel is highly radioactive and must be carefully handled and stored.

4. What are the safety precautions in place for nuclear reactors?

Nuclear reactors have multiple safety precautions in place to prevent accidents and protect the surrounding environment and communities. These include redundant safety systems, strict regulations and inspections, and emergency response plans. Reactor operators are also extensively trained in safety procedures.

5. What is the future of nuclear reactor technology?

The future of nuclear reactor technology is focused on developing advanced reactors that are safer, more efficient, and produce less waste. This includes technologies such as small modular reactors, which are more compact and easier to construct, and advanced fuels that can reduce the amount of radioactive waste produced. There is also ongoing research into fusion reactors, which use a different process to generate energy and could potentially provide a nearly limitless source of clean energy.

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