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Atomic reactors do not always need to be cooled as some chemical reactions are endothermic or even have no or verry little enthalpy change.
Nuclear reactors on the other hand are difficult to cool for the follwign reasons:
Contamination of cooling medium: The medium used to cool the reactor, usually water or a gas, is subject to intense radiation which could decompose the substance and transport radiation around the building
Extreme temperatures: As nuclear reactors are extremely hot, many substances will undergo thermal decomosition and / or expand producing excess pressure.
In the recent meltdowns in Japan, primary cooling water has stopped because of the earthquake. Becasue the fuel rods are no longer fully submersed, the cooling water is turning to steam then decomposing into Hydrogen and Oxygen then combusting and exploding
What else can I help you with?
What caused the nuclear reactor to begin to melt down in japan?
the cause of the melt down of the reactors in japan is the water that is needed to cool down the reactors
How do coolant systems work in nuclear reactors?
Coolant Systems on a Nuclear Reactor works by pumping large amounts of Sea Water into the reactors to cool it down and produce steam.
What material can be used to cool down a nuclear meltdown?
One material that can be used to cool down a nuclear meltdown is water. It is commonly used as a coolant in nuclear reactors to absorb excess heat. Other materials like liquid sodium or helium may also be used in some reactor designs.
Why is it difficult to cool down in a rain forest?
It's difficult to cool down in a rainforest because of the high humidity levels. The moisture in the air makes it harder for sweat to evaporate, which is our body's natural way of cooling down. Additionally, the dense vegetation in rainforests can block airflow and trap heat, making it feel hotter.
How many reactors were there in the fukushima operation at the time the earthquake hit?
There were six reactors at Fukushima Daiichi. At the time of the earthquake, three of these, reactors 1, 2, and 3, were operating. Reactor 4 was shut down for refueling, and reactors 5 and 6 were in cold shutdown.
How is the life without electric fan be?
It would be difficult because the electric fan helps our skin cool down on a hot day and it also allows our body temperature to cool down so that we aren't so sweaty all the time.
How many Japanese nuclear reactors melted down after the earthquake?
3
What went wrong at the Japanese nuclear power plant?
The power plant was hit by a major earthquake and responded perfectly, from everything we can determine at this point. It takes a great deal of energy and time to shut down something that generates this much power and the shutdown procedure was working until a Tsunami wave hit the plant and washed away the backup generators that were being used to cool the reactors. American reactors have these generators underground. The units at this plant were above ground and were destroyed in the wave. This left the reactors with no method to cool the systems or to destroy the hydrogen buildup.
Is cool down hyphenated?
The term "cool down" is typically written as two separate words when used as a verb phrase, as in "to cool down." However, when used as a noun or adjective, it can be hyphenated as "cool-down," such as in "a cool-down period."
Why are power stations which use nuclear to produce electricity built along coasts in most countries?
Because Neuclear Power Plants need water to cool down the reactors and thus the sea is a great place to get cold water from! :)
What properties increase down the periodic table?
Atomic Mass
What has the author Joel H Ferziger written?
Joel H. Ferziger has written: 'The theory of neutron slowing down in nuclear reactors' -- subject(s): Neutrons, Nuclear reactors
