What does one kilogram of steam mean?
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What do we usually mean by one kilogram of steam-type something? ? Does it refer to pressure? ? Pressure? ? Exactly how big is it? ?
1# superchenlei: The steam pressure referred to is usually 1 kilogram, which is approximately 0.1 MPa
It is saturated steam with a pressure of 1 kilogram (that is, 0.1 MPa), and the temperature is around 100 degrees. Similarly, 5 kilograms refers to steam at a pressure of 5 kilograms, and its temperature corresponds to the dew point temperature at that pressure
1 kilogram of steam generally refers to a gauge pressure of 0.1 MPa
It should be steam with a gauge pressure of 1 kilogram
Remember that factories use gauge pressure, and the pressure mentioned refers to the pressure as defined in textbooks; no one in factories talks about absolute pressure! 1 kilogram of steam refers to steam with a gauge pressure of 1 kilogram, which is equivalent to an absolute pressure of 0.2 MPa; as for the temperature, you need to look it up yourself!
1# superchenlei 1 kilogram of steam refers to steam with a gauge pressure of 1 kilogram
I’ve learned it.* A common engineering term.