Nuclear Fission 00211

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 Nuclear fission :

Nuclear as source of electrical

energy

By : 6th group

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Persons in group

Dhoni Fadliansyah Wahyu

Diah Siti Mardiah

Dita Apriliana M. Rafi Hudzaifah

Putri Utami

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Outline

Fission reaction

Application of fission reaction : nuclear power plant

Part of nuclear power plant

The processes on nuclear power plant

Advantage (Different between nuclear power plant andother power plant) and disadvantage of nuclear power plant

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Fission reaction

In nuclear physics and nuclear 

chemistry, nuclear fission (Fission

reaction) is a nuclear reaction in whichthe nucleus of an atom splits into smaller 

parts, often producing

free neutrons and photons (in the form

of gamma rays).

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Figure 1. Fission reaction

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 Application of fission reaction

Nuclear power plant Scheme of 

nuclear 

power plant

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Part of nuclear power plant

Containtment

structure

Control rods

Reactor 

Steam generator 

Steam line

Pump

Generator 

Turbine

Cooling water 

kondenser 

Cooling tower 

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Processes of nuclear power 

plant1. In nuclear reactor, uranium granule has

wealthy arranged in a square and

collected into bundle. The bundle

submerged in water in pressured vessel.

2. Control rods entered into uranium bundle

with use a mechanism, can lift or go

down it. Operated by operator.

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3. Uranium bundle result heat energy, heat

energy flowed together water to heatexchager and change water become

steam in steam generator 

4. Steam move to turbin via steam line.

5. Steam used to movement the turbin

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6. The turbin can spin rotor in generator.

7. Rotor spin converted be a electrical

power in generator.

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 Advantage & disadvantage of 

nuclear powerplant

 Advantage

Nuclear power plant produce bigger 

electrical energy than other power plant.

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illustration

inside 1 kg uranium can produce 50.000

kWh electrical power moreover with

continue process can produce until

3.500.000 kWh. Than 1 kg coal and 1kg

fossil fuel only produce 3 kWh dan 4 kWh

electrical power.

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In a generation of electrical power non-

nuclear with 1000 MWe needed 2.600.000

ton coal or 2.000.000 ton fossil fuel as fuel

While in generation of electrical nuclear 

power with same capacity only need 30

ton uranium as fuel.

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Disadvantage

Radiation and waste

In cell level, radiation make change of total

and chromosome structure. Change of chromosom total in somatic cell can make

abnormal in genetic.

The waste can endure in long time.

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conclusion

Fission nuclear can applicated as

generation of electrical power.

Nuclear is dangerous but very useful.