Steam expansion in the turbine on the hs (Mollier) chart

Steam expansion in the turbine on the hs (Mollier) chart

Steam expansion in the turbine on the h-s
(Mollier) chart
Author: Valery Ochkov (http://twt.mpei.ac.ru/ochkov/v_ochkov.htm)
Introduction
This application shows how to create
a h-s (Mollier) chart
and place and isobar, an isotherm, and isochor of steam on the chart
Water/steam Properties (wsp) and users procedure
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Specific entropy of water or steam as function of pressure and temperature
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Specific enthalpy of water or steam as function of pressure and temperature
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Density water or steam as function of pressure and temperature
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Specific entropy of water or steam as function of density and temperature
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Specific enthalpy of water or steam as function of density and temperature
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Specific enthalpy of water at the saturated line as function of temperature
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Specific entropy of water at the saturated line as function of temperature
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Specific enthalpy of steam at the saturated line as function of temperature
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Specific entropy of steam at the saturated line as function of temperature
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Temperature of water or steam as function of pressure and specific entropy
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Vapor fraction of steam as function of pressure and specific entropy
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Specific enthalpy of water or steam as function of temperature and vapor fraction
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Specific entropy of water or steam as function of temperature and vapor fraction
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Temperature at saturated line as function of pressure
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Specific entropy of water or steam as function of pressure and specific enthalpy
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Dry ratio of wet steame as function of pressure and specific enthalpy
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Specific entropy of wet steam as function of pressure and dry ratio
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Input Data
Temperature and pressure in the point where an Isobar, an isotherm, and isochor must cross
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Calculations
Live steam density
(4.1)
Live steam specific enthalpy
(4.2)
Live steam specific entropy
(4.3)
Temperature in the condencer
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(4.4)
Specific enthalpy of wet steam in the condencer
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(4.5)
Vapor ratio of wet steam in the condencer
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(4.6)
Specific entropy of wet steam in the condencer
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(4.7)
Specific turbine work
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(4.8)
Plots
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Plot of steam expansion in the turbine
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