Water vs Steam Burns: Which is More Severe?

In summary, steam at 100 degrees would cause a more severe burn due to its higher kinetic energy, caused by the latent heat of vaporization and its lower specific heat capacity. This makes it more easily transferable, making it useful in boilers and turbine operations.
  • #1
pavadrin
156
0
Which gives the more sever burn, water or steam both at 100°C? I think it is the steam because it has more kinetic energy in it, as the water molecules have broken the bonds of the liquid and has a lower specific heat capacity, but I would like some confirmation, or if incorrect the right answer and why.
Thanks in advance to the person/s who reply
Pavadrin
 
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  • #2
Yes, steam at 100 degrees would cause the more severe burn owing to the fact that for water to be converted into heat, energy is required (known as latent heat of vapourisation), which in turn increases the KE of steam molecules .
 
  • #3
thanks arunbg
 
  • #4
hi,
specific volume of vapour at super-heated condition is less than at saturated vapour condition, hence, super-heated steam is easily transferable(higher KE), that is why, these are applied in boilers as they are carried at a faster rate & the energy carried by each vapour part is higher enough to cause turbine operation at a lower mass flow rate due to its high KE..
 
  • #5
hi,
specific volume of vapour at super-heated condition is less than at saturated vapour condition, hence, super-heated steam is easily transferable(higher KE), that is why, these are applied in boilers as they are carried at a faster rate & the energy carried by each vapour part is higher enough to cause turbine operation at a lower mass flow rate due to its high KE..
 

1. What is the difference between a water burn and a steam burn?

A water burn is caused by contact with hot liquid water, while a steam burn is caused by contact with steam (water vapor) that has been heated to a high temperature.

2. Which type of burn is more severe?

It depends on the temperature and duration of exposure. Generally, steam burns tend to be more severe because steam has a higher heat capacity and can transfer more heat to the skin compared to liquid water. However, both types of burns can cause serious damage depending on the circumstances.

3. Why do steam burns tend to be more severe?

As mentioned before, steam has a higher heat capacity compared to liquid water, which means it can transfer more heat to the skin. Additionally, when steam comes into contact with the skin, it condenses back into liquid water, releasing even more heat onto the skin. This can result in deeper and more severe burns.

4. Can the severity of a burn be determined by the type of liquid?

Yes, the type of liquid can affect the severity of a burn. For example, oil and other viscous liquids can stick to the skin and cause prolonged exposure to heat, leading to more severe burns. Additionally, some liquids, such as acids or alkalis, can cause chemical burns in addition to thermal burns.

5. What should I do if I get burned by water or steam?

The first step is to immediately remove the affected area from the heat source and run cool water over it for at least 5-10 minutes. This will help to cool the burned area and reduce pain. If the burn is severe, seek medical attention. Do not apply ice or any ointments to the burn, as this can further damage the skin.

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