Physics Of Nuclear Power Plant Essay

Physics Of Nuclear Power Plant Essay

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Now a days many research have been done on the application of nanofluid as the coolant in nuclear power plant because it has higher thermal conductivity and higher heat transfer co-efficient then heavy water. Till now many research work have been carried out on different nanofluid like Al2O3, TiO2, ZrO2, CuO etc. as coolant in nuclear power plant. Here the validation of model of nuclear reactor VVER-1000 is carried out by comparing the present result of CFD analysis in ANSYS with previous research work. The graph of axial temperature distribution of coolant, fuel rod, clad material is plotted and compared.
Nuclear Power Plant:
In nuclear power plant nuclear reactor use as heat source and generates heat in nuclear reactor. In NPP heat is generated by fission process, entails the splitting of atoms of uranium in a nuclear reactor. Generated heat is utilized in steam generation which drives the steam turbine which is connected to generator which produces power.



Basic Components:
Following are the different components of nuclear power plant:
1. Fuel (Uranium- UO2)
2. Moderator (slows down the neutron, Heavy water or graphite)
3. Control rod (Cd- cadmium, Hf- hafnium or B- boron)
4. Coolant (Heavy water)
5. Pressure vessel (robust steel vessel)
6. Steam generator ()
7. Containment (Concrete and steel structure)

1.2 Nanofluid
Introduction
Since the 1990s, nano-material technology has been utilized in the field of heat transfer. In 1995, Choi firstly proposed the concept of “nanofluid”, which is a fluid with some kinds of nanometer-sized particles suspended into a base liquid.
Examples of nanofluids:
Nano particles
• Pure metals (Au, Ag, Cu, Fe),
• Metal oxides (CuO, SiO2, Al2O3, TiO2, ZnO, Fe3O4)
• Carbides (SiC, TiC)
• Nitrides (A...


... middle of paper ...


... process on a single computer.
• ANSYS FLUENT also uses a utility called cortex that manages ANSYS FLUENT’s User interface and basic graphical functions.
• ANSYS FLUENT’s parallel solver enables to compute a solution using multiple Processes that may be executing on the same computer, or on different computers in a network.
• Parallel processing in ANSYS FLUENT involves an interaction between ANSYS FLUENT, a host process, and a set of compute-node processes.
future scope:
The application of Fe, Fe3O4, Zn and ZnO have not been reported in open literature as coolant in nuclear reactor.
So we find different properties of these material than will do CFD analysis and will make some conclusion from the coming results.
After knowing which nanoparticle is more efficient than other we can also conclude at how much volume fraction it has most efficient properties as coolant.


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