Enthalpy-entropy selective range SI unit Enthalpy-entropy selective range SI unit
Enthalpy-entropy selective range SI unit
Initial
preparation for trial software:
Steps to create new diagram from
start:
1. Make sure that that the form is maximized.
2. Choose the lower and higher limits of entropy and enthalpy for
the diagram from the drop down list provided at the extreme right side on top.
3. Draw axis by clicking the ‘Draw axis’ button on the blank graph
area.
4. Draw the saturation line, if desired, by clicking the button
‘Draw sat line’.
5. Draw any dryness fraction line in the range of 0 to 1 (excluding
0 and 1) by typing the desired decimal fraction input in the ‘Dry frac decimal’
text box first and then clicking the button ‘Dryness fraction line’
6. Draw any constant pressure line in the range of 0.007 to 1000
bar by typing the desired input in the ‘Pressure bar(a)’ text box first and
then clicking the button ‘Const pressure line’
7. Draw any constant temperature line in the range of 0.01 to 800
Deg C by typing the desired input in the ‘Temp Deg C’ text box first and then
clicking the button ‘Const temp line’
8. Draw any constant specific volume line in the range of 0.001 to
200 cum/kg by typing the desired input in the ‘Sp vol. Cum/kg’ text box first
and then clicking the button ‘Const sp vol line’. Please note that specific
volume line drawing start up and completion takes exceptionally long time
depending on processor speed and may exceed even more than few minutes for
extreme cases (specially with higher values of specific volume).
9. Note that lines will not
be drawn if the desired line does not lie in selected range of the diagram.
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