Difference between revisions of "Coal"

Revision as of 17:17, 7 April 2019

@@ Line 7: / Line 7: @@
 : [[Coal]] has [[energy]] in its [[Chemical Potential Energy Store|chemical potential energy store]] which can be [[Energy Transfer|transferred]] into a [[Thermal Energy Store|thermal energy store]] by [[combustion]].
 : [[Coal]] [[product|produces]] [[Carbon Dioxide]] during [[combustion]] which [[scientist]]s have shown contributes to [[Global Warming]].
-===Power===
-: [[Coal]] can be used to provide [[power]] directly buy burning it in homes, steam engines and furnaces or it can provide power by generating electricity.
-{| class="wikitable"
-|-
-|[[File:CoalPowerStationDiagram2.png|center|600px]]
-|-
-| style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[coal]] [[Thermal Power Station|power station]].
-|}
-: 1. Coal is burned in a furnace.
-: 2. Water is heated in a boiler by the burning coal.
-: 3. Water turns to steam and passes down pipes to turn a turbine.
-: 4. The turbine causes a generator to spin.
-: 5. The generator makes an electrical current.
-====Advantages====
-*Can work continuously.
-*Few[[Thermal Power Station|power station]]s needed to supply a large number of houses.
-====Disadvantages====
-*Cost of fuel.
-*Produce Carbon Dioxide contributing to global warming.
-*Other pollutants produced which can harm health or produce acid rain.
-*Coal will run out.