SDB - H2O
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Navigation: User Guide ➔ Species Properties ($SDB) ➔ H2O Tab
| FS SDB Tab | H2O Tab | Thermo1 Tab | Thermo2 Tab | Vapours Tab | Liquids Tab | Solids Tab | Definition Tab | Properties Tab | Other Tab | Elements Tab | Components Tab |
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Related Links: Water and Steam Properties, Material Flow - H2O Properties
H2O Tab
|
Tag / Symbol |
Input / Calc |
Description |
| Steam and Water Properties | ||
| MassBasis | Tickbox | Users can choose to display the data in either mass or mole basis. |
| Temperature / T | Input | The steam and water properties will be determined at the specified temperature. This field is common to the Thermo1, Thermo2, Vapours, Liquids and Solids tab pages. |
| Pressure / P | Input | The steam and water properties will be determined at the specified pressure. This field is common to the Thermo1, Thermo2, Vapours, Liquids and Solids tab pages. |
| IF97.SatP@T | Calc | Saturation pressure of water at the user specified temperature. |
| IF97.SatT@P | Calc | Saturation temperature of water at the user specified pressure. |
| IF97.SuperHeat@P | Calc | Degrees of superheat (degrees above saturation temperature) of water at the user specified pressure. |
| Water | ||
| H2OLiq... | ||
| State | Calc | SysCAD checks the steam tables and displays if with the user specified temperature and pressure, would all the H2O be liquid (water). If yes, it will display OK, if not it will display Invalid. |
| Viscosity | Calc | (Dynamic) Viscosity of liquid water at the user specified temperature and pressure. |
| ThermalCond | Calc | Thermal Conductivity of liquid water at the user specified temperature and pressure. |
| The following fields are shown in a table format. Two columns are shown, one showing the values obtained using the High Fidelity (IF97) method, the other showing the values obtained using the Fast IF97 Sat method. Refer to Water and Steam Properties for more information. | ||
| Density / Rho | Calc | Density of liquid water at the user specified temperature and pressure. |
| msH | Calc | Only visible if Mass Basis has been enabled. Enthalpy of liquid water per unit mass at the user specified temperature and pressure. |
| mlH | Calc | Only visible if Mass Basis has NOT been enabled. Enthalpy of liquid water per mole at the user specified temperature and pressure. |
| msCp | Calc | Only visible if Mass Basis has been enabled. Heat Capacity of liquid water per unit mass at the user specified temperature and pressure. |
| mlCp | Calc | Only visible if Mass Basis has NOT been enabled. Heat Capacity of liquid water per mole at the user specified temperature and pressure. |
| msS | Calc | Only visible if Mass Basis has been enabled. Entropy of liquid water per unit mass at the user specified temperature and pressure. |
| mlS | Calc | Only visible if Mass Basis has NOT been enabled. Entropy of liquid water per mole at the user specified temperature and pressure. |
| Steam | ||
| H2OVap... | ||
| State | Calc | SysCAD checks the steam tables and displays if with the user specified temperature and pressure, would all the H2O be vapour (steam). If yes, it will display OK, if not it will display Invalid. |
| Viscosity | Calc | (Dynamic) Viscosity of steam at the user specified temperature and pressure. |
| ThermalCond | Calc | Thermal Conductivity of steam at the user specified temperature and pressure. |
| The following fields are shown in a table format. Three columns are shown, one showing the values obtained using the High Fidelity (IF97) method, one showing the values obtained using the Fast IF97 Sat method and the last showing the values obtained using the Sat method. Refer to Water and Steam Properties for more information. | ||
| Density / Rho | Calc | Density of steam at the user specified temperature and pressure. |
| msH | Calc | Only visible if Mass Basis has been enabled. Enthalpy of steam per unit mass at the user specified temperature and pressure. |
| mlH | Calc | Only visible if Mass Basis has NOT been enabled. Enthalpy of steam per mole at the user specified temperature and pressure. |
| msCp | Calc | Only visible if Mass Basis has been enabled. Heat Capacity of steam per unit mass at the user specified temperature and pressure. |
| mlCp | Calc | Only visible if Mass Basis has NOT been enabled. Heat Capacity of steam per mole at the user specified temperature and pressure. |
| msS | Calc | Only visible if Mass Basis has been enabled. Entropy of steam per unit mass at the user specified temperature and pressure. |
| mlS | Calc | Only visible if Mass Basis has NOT been enabled. Entropy of steam per mole at the user specified temperature and pressure. |