Properties of steam at varying pressures and temperatures:
A Saturated Steam Table with steam properties as specific volume, density, specific enthalpy and specific entropy
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1)Atmospheric pressure
Example - Boiling Water at 100 oC and 0 bar
At atmospheric pressure - 0 bar gauge or absolute 101.33 kN/m2- water boils at 100 oC. 419 kJ of energy is required to heat 1 kg of water from 0 oC to the saturation temperature 100 oC.
Therefore, at 0 bar gauge (absolute 101.33 kN/m2) and 100 oC - the specific enthalpy of water is 419 kJ/kg.
Another 2257 kJ of energy is required to evaporate the 1 kg of water at 100 oC to steam at 100 oC. Therefore, at 0 bar gauge (absolute 101.33 kN/m2) - the specific enthalpy of evaporation is 2257 kJ/kg.
The total specific enthalpy of the steam (or heat required to evaporate water to steam) at atmospheric pressure and 100 oC can be summarized as:
hs = 419 + 2257
= 2676 kJ/kg
= 2676 (kJ/kg) / 3600 (s/h) = 0.74 kWh/kg
(1 hour = 3600 seconds, 1 kW = 1 kJ/s)
Example - Boiling Water at 170 oC and 7 bar
Steam at atmospheric pressure is of limited practical use since it can not be conveyed by its own pressure along a steam pipe to the points of consumption.
At 7 bar gauge (absolute 800 kN/m2) - the saturation temperature of water is 170 oC. More heat energy is required to raise the temperature to the saturation point at 7 bar gauge than needed for water at atmospheric pressure. From the table a value of 720.9 kJ is needed to raise 1 kg of water from 0 oC to the saturation temperature 170 oC. The heat energy (enthalpy of evaporation) needed at 7 bar gauge to evaporate the water to steam is actually less than the heat energy required at atmospheric pressure. The specific enthalpy of evaporation decrease with steam pressure increase. The evaporation heat is 2047 kJ/kg according the table.
Note! Because the specific volume of steam decreases with increasing pressure, the amount of heat energy transferred in the same volume actually increases with steam pressure. In other words the same pipe may transfer more energy with high pressure steam than with low pressure steam.
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››Convert kilogram/square centimetre to kilopascal
Please enable Javascript to usethe unit converter. Note you can turn off most ads here: https://www.convertunits.com/contact/remove-some-ads.php ››More information from the unit converter
How many kg/cm2 in 1 kpa?The answer is 0.010197162129779. We assume you are converting between kilogram/square centimetre and kilopascal. You can view more details on each measurement unit: kg/cm2 orkpa The SI derived unit for pressure is the pascal. 1 pascal is equal to 1.0197162129779E-5 kg/cm2, or 0.001 kpa. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between kilograms/square centimetre and kilopascals. Type in your own numbers in the form to convert the units! ››Quick conversion chart of kg/cm2 to kpa![]()
1 kg/cm2 to kpa = 98.0665 kpa
2 kg/cm2 to kpa = 196.133 kpa
3 kg/cm2 to kpa = 294.1995 kpa
4 kg/cm2 to kpa = 392.266 kpa
5 kg/cm2 to kpa = 490.3325 kpa
Turbocollage 7 0 11 Kilograms Equals
6 kg/cm2 to kpa = 588.399 kpa
7 kg/cm2 to kpa = 686.4655 kpa
8 kg/cm2 to kpa = 784.532 kpa
9 kg/cm2 to kpa = 882.5985 kpa
10 kg/cm2 to kpa = 980.665 kpa
››Want other units?
You can do the reverse unit conversion fromkpa to kg/cm2, or enter any two units below:
››Common pressure conversions
kg/cm2 to ounce/square inch kg/cm2 to zeptopascal kg/cm2 to foot of air kg/cm2 to decipascal kg/cm2 to poundal/square foot kg/cm2 to millitorr kg/cm2 to newton/square meter kg/cm2 to exapascal kg/cm2 to inch mercury kg/cm2 to yoctopascal Turbocollage 7 0 11 Kilograms Pounds››Definition: Kilopascal
The SI prefix 'kilo' represents a factor of103, or in exponential notation, 1E3.
So 1 kilopascal = 103 pascals.
The definition of a pascal is as follows:
The pascal (symbol Pa) is the SI unit of pressure.It is equivalent to one newton per square metre. The unit is named after Blaise Pascal, the eminent French mathematician, physicist and philosopher.
Turbocollage 7 0 11 Kilograms =››Metric conversions and moreTurbocollage 7 0 11 Kilograms Equal
ConvertUnits.com provides an onlineconversion calculator for all types of measurement units.You can find metric conversion tables for SI units, as wellas English units, currency, and other data. Type in unitsymbols, abbreviations, or full names for units of length,area, mass, pressure, and other types. Examples include mm,inch, 100 kg, US fluid ounce, 6'3', 10 stone 4, cubic cm,metres squared, grams, moles, feet per second, and many more!
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