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Pressure-Enthalpy Diagram for Water - Ohio University
h specific enthalpy kJ/kg p pressure MPa s specific entropy kJ/kg K T temperature u specific thermal (internal) energy kJ/kg v specific volume m3/kg Subscripts c critical point f saturated liquid fg difference between saturated liquid and dry saturated vapour g dry saturated vapour sat saturation tp triple point 3
Tablesareprovidedforthedensity,enthalpy,entropy,andvolumeofwaterand steam calculated from the lAPWS Formulation1995 forthe Thermodynamic Properties of Ordinary Water Substance for General and Scientific Use.This
tables represents saturated water and steam data by pressure, in US Units. In other words, this set of tables is used when pressure is the determining factor, or when the current or future. tate of the saturated water or saturated steam is defined by the pressure. So, if saturated water or saturated steam is sai.
Table A–1 Molar mass, gas constant, and critical-point properties Table A–2 Ideal-gas specific heats of various common gases Table A–3 Properties of common liquids, solids, and foods Table A–4 Saturated water—Temperature table Table A–5 Saturated water—Pressure table Table A–6 Superheated water Table A–7 Compressed liquid water Table A–8 Saturated ice–water vapor
T-s Diagram for Water Plotted by: J P M Trusler Reference state: s/(kJ·K-1·kg-1) = 0 and u/(kJ·kg-1) = 0 for saturated liquid at the triple point 0 100 200 300 400 500 600 700 800 0.0 2.0 4.0 6.0 8.0 10.0 12.0 s/(kJ⋅K-1⋅kg-1) T / ° C 4000 3800 3600 3400 3200 3000 2800 2600 1400 1600 1800 2000 2200 800 1000 1200 200 400 600 0.2 0.4 0.6 0 ...
Diagrams of the Properties of Water and Steam. In Part A (equations for the thermodynamic and transport properties), the units K for temper-ature and MPa for pressure are used. However, for applications in industry, the units °C and bar are usually used.
