Material Content Section
Navigation: Main Page -> Models -> Common Sections -> Material Content Section
| Material Content Section | Material Content Section - Properties | Material Content Section - Energy | Material Content Section - Water Quality | Species Content Section |
|---|
Contents
- 1 Introduction
- 2 Include Properties Button
- 3 Model Properties
- 4 Qualities
- 5 Content - Properties
- 6 Content - Energy Properties
- 7 Content - Solubility
- 8 Content - Saturation
- 9 Content - Acidity (pH)
- 10 Content - Charge
- 11 Content - Transport Properties
- 12 Content - Heating Values
- 13 Content - H2O Properties
- 14 Content - User Property Calculations
- 15 Content - Water Quality (WQ)
- 16 Content Composition Tab Page
- 17 Content - DLockup
- 18 Content - Lockup
- 19 Content - DTrack
- 20 Content - Track
- 21 Content - DSz
- 22 Content - Sz
- 23 Content - MSz
- 24 Content - DSSA
- 25 Content - SSA
Introduction
This section is used to display material content and all the associated properties. For example there will be a Content and M section in a Tank - Dynamic Mode.
This model primarily has read only variables, and a few options that affect how information (or views) are displayed. The species model that is used will affect the display and may result in some extra fields or tab pages. The default 'Standard' species model will be described here.
Include Properties Button
|
Tag / Symbol |
Input / Calc |
Description |
| Include Properties / IncludeProps | Displays a list of properties that the user can view or hide by clicking on the required property. | |
| Energy | Fields related to Thermodynamic properties, e.g. Hz, Hs, Cp, etc. | |
| Saturation | Fields related to the properties of the default Saturation species (usually H2O). | |
| pH_Estimate | Fields related to the pH estimate | |
| Charge | Fields related to Charge | |
| Transport | Transport properties such as viscosity and thermal conductivity | |
| DensityCorrections | Additional density correction variables | |
| ValuesAtUserTandP | Additional variables will be evaluated at the user defined temperature and pressure | |
| H2OProperties | Properties of pure water and steam | |
| WaterQuality | Properties of water streams such as hardness, alkalinity and oxygen demand | |
Model Properties
| Tag / Symbol | Input/ Calc | Description |
|---|---|---|
| Model | Standard | All the variables are calculated using the Mass Weighted Mean of the species. |
| Inherit | Model used follows upstream units. | |
| "Species Model" | Further options may be shown depending on whether any species models are available | |
| Class | Display | The class of the Species Model used. |
| SpMdlIdNo | Display | The ID number of the Species Model. |
| ShowHeatingValues | Input | If this is enabled then the calorific heating value of the material in the content will be displayed. |
Qualities
These options are only available as specified in the model's configuration file.
|
Symbol / Tag |
Input / Calc |
Description |
| Lockup.Action | Input / Display | The user may select Modify Content. The 'Lockup' values are set on the 'DLockup' tab. The field displays the actual state of the Lock Up function: If this has been enabled then this will display 'Lockup.Action(On)', otherwise it will display 'Lockup.Action'. Please see LockUp for more information. Note: Lockup must first be enabled on the Plant Model - Qualities Tab and created upstream of the surge unit before the user may modify it here. |
| MatTrack.Action | Input / Display | The user may select Modify Content. The 'Tracking' values are set on the 'DTrack' tab. The field displays the actual state of the Material Tracking function: If this has been enabled then this will display 'MatTrack.Action(On)', otherwise it will display 'MatTrack.Action'. Please see Material Tracking for more information. Note: Material Tracking must first be configured on the Plant Model - Qualities Tab and created upstream of the surge unit before the user may modify it here. |
| SzDist.Action | Input / Display | The user may select Modify Content. The 'Size Distribution' values are set on the 'DSz' tab. The field displays the actual state of the Size Distribution function: If this has been enabled then this will display 'SzDist.Action(On)', otherwise it will display 'SzDist.Action'. Please see Size Distribution (PSD) for more information. Note: Size Distribution must first be created upstream of the surge unit before the user may modify it here. |
| SzSSA.Action | Input / Display | The user may select Modify Content. The 'SSA' values are set on the 'SSA' tab. The field displays the actual state of the SSA function: If this has been enabled then this will display 'SzSSA.Action(On)', otherwise it will display 'SzSSA.Action'. Please see Specific Surface Area (SSA) for more information. Note: SSA must first be created upstream of the surge unit before the user may modify it here. |
|
Lockup.InUse |
Display |
Displays the state of the LockUp function: Yes or No. |
|
MatTrack.InUse |
Display |
Displays the state of the Material Tracking function: Yes or No. |
|
SzDist.InUse |
Display |
Displays the state of the Size Distribution (PSD) function: Yes or No. |
|
SzSSA.InUse |
Display |
Displays the state of the Specific Surface Area (SSA) function: Yes or No. |
Content - Properties
These properties are related to the material present in the surge unit, e.g. mass, volume, density, etc.
Please see Material Content Section - Properties.
Content - Energy Properties
These properties are related to the energy contained in the surge unit, e.g. specific heat, enthalpy, etc. These will only be shown if the user has chosen to display the Energy (Thermodynamic) Properties on the Plant Model - Views tab page.
Please see Material Content Section - Energy.
Content - Solubility
In this section only the fields that are relevant for the generic form of solubility, i.e. solubility equations entered in the Species Database, will be shown.
For fields relating to Potash Solubility, please see Potash Solubility in Units.
| Tag / Symbol | Input / Calc | Description |
| Solubility
Visible when Solubility data has been entered for one or more species. If Solubility is switched off, these fields are still shown, the heading changes to "Solubility (Off)". | ||
| SolubleSpecies1.Act | Calc | This will be the actual mass fraction of the soluble species. The tag is based on the actual species, for example NaCl.Act. |
| SolubleSpecies1.Sat | Calc | This will be the saturation mass fraction of the soluble species. The tag is based on the actual species, for example NaCl.Sat. When .Act equals .Sat the mixture is saturated. |
Content - Saturation
| Tag / Symbol | Input/ Calc | Description |
|---|---|---|
| Saturation... | ||
| Component | List | Any component that has the correct Vp Equations defined in the species database may be selected here. The default species is set in the Plant Model - Species tab page. Please also see Vapour Liquid Equilibrium (VLE) section for more information. |
| TotalP | Display | Displays the total pressure in the unit. |
| PartialP | Calc | The partial pressure of the selected component in the unit. |
| [email protected] | Calc | Saturated pressure of the listed component at the mixture temperature. |
| [email protected] | Calc | Saturated temperature of the listed component at the component partial pressure. |
| [email protected] | Calc | Saturated temperature of the listed component at the total unit pressure. |
| [email protected] | Calc | The Saturation Temperature of pure water at the total unit pressure. |
| BPE | Calc | 1. Standard Species Model a) If the unit is using the Standard Species model then please see Boiling Point Elevation for a description on this calculation. b) The user may enter values for the van't Hoff constant for each aqueous species in the Species Database. c) The user may set the method of calculating the BPE in all units containing the Standard Species model as either None or van't Hoff in the Plant Model - Standard Properties Model Options. 2. Other Species Models, e.g. Bayer a) Units containing other species models, such as the Alumina 3 Bayer Species Model, will always use the implemented BPE equation to calculate this value. b) The boiling point elevation is calculated as Unit [email protected] - Component [email protected] The Solvent used for this calculation is water. |
| T | Display | The temperature in the unit. |
| LatHtVap | Calc | The Latent heat of vaporisation of the listed component at the temperature and partial pressure of the vaporizing species at the local conditions. The latent heat is the difference in enthalpy between the vapour phase and the liquid phase of the species. This is calculated as Enthalpy(VapourPhase at local Temperature and Partial Pressure) - Enthalpy(Liquid Phase at T and Total Pressure). This is the enthalpy difference used in energy calculations. NB unless the partial pressure of the vaporizing species is equal to the saturation pressure, the latent heat may not have exactly the same value as for saturation conditions since the vapor phase enthalpy depends on its partial pressure. |
| [email protected] | Calc | The Latent heat of vaporisation of the listed component at the temperature and saturation pressure of the vaporizing species corresponding to the local temperature. The latent heat is the difference in enthalpy between the vapour phase and the liquid phase of the species. This is calculated as Enthalpy(VapourPhase at Temperature, T and saturation pressure for that T, PSat(T)) - Enthalpy(Liquid Phase at T and Total Pressure). This is the latent heat that would be found in saturation tables for a given temperature. |
| RelHumidity | Calc | The relative humidity of the stream. This is only useful if the stream contains gases, such as O2, N2, Air, etc. Relative Humidity = Partial Pressure of the Saturation Component (usually H2O) / Saturation Pressure of the Saturation Component at Stream Temperature * 100 |
Content - Acidity (pH)
Note: These fields are only visible if they are selected on the Plant Model - Views Tab access window.
| Tag / Symbol | Input/ Calc | Description |
|---|---|---|
| Acidity(@25C) | ||
| pH.State | Calc | Either OK - only acids or bases present, OR Acid and Base present, therefore the calculations will be inaccurate. |
| pH.negLogH | Calc | This is the negative of the log of the Hydrogen ion concentration (estimate of pH) |
| pH.AcidsPresent | List | This lists all of the acids present in the unit that are used to calculate [H+] (molar concentration) |
| pH.BasesPresent | List | This lists all of the bases present in the unit that are used to calculate [OH-] (molar concentration) |
Content - Charge
These values are calculated based on the species charges that are defined in the species database.
These values will only be shown if the user has chosen to display the Charge variables on the Plant Model - Views tab page.
|
Tag / Symbol |
Input / Calc |
Description |
| Charge | ||
| Charge.State | Calc | Either Neutral (charge is balanced), Positive (positively charged) or Negative (negatively charged). |
| Charge.Overall | Calc | The overall charge of the content. |
| Charge.CationsPresent | List | This lists all of the positively charged species present in the content that contribute to the overall charge. |
| Charge.AnionsPresent | List | This lists all of the negatively charged species present in the content that contribute to the overall charge. |
Content - Transport Properties
Note: These fields are only visible if they are selected on the Plant Model - Views Tab access window.
| Tag / Symbol | Input/ Calc | Description |
|---|---|---|
| Transport Properties | ||
| VViscosity | Calc | (Dynamic) Viscosity of the vapour phase. |
| LViscosity | Calc | (Dynamic) Viscosity of the liquid phase. |
| VKinematicVisc | Calc | Kinematic Viscosity of the vapour phase = Dynamic Viscosity of vapour phase (VViscosity) / Density of vapour phase (VRho) |
| LKinematicVisc | Calc | Kinematic Viscosity of the liquid phase = Dynamic Viscosity of liquid phase (LViscosity) / Density of liquid phase (LRho) |
| VThermalCond | Calc | Thermal Conductivity of the vapour phase |
| LThermalCond | Calc | Thermal Conductivity of the liquid phase |
| VPrandtlNo | Calc | Prandtl’s number for the vapour phase = heat capacity ([email protected]) * dynamic viscosity (VViscosity) / thermal conductivity (VThermalCond) |
| LPrandtlNo | Calc | Prandtl’s number for the liquid phase = heat capacity ([email protected]) * dynamic viscosity (LViscosity) / thermal conductivity (LThermalCond) |
| LSurfaceTens | Calc | Surface Tension of the liquid phase. |
| IF97 | ||
| WaterViscosity | Calc | The viscosity of pure water at the stream temperature and pressure as calculated by IF97. |
| SteamViscosity | Calc | The viscosity of pure steam at the stream temperature and pressure as calculated by IF97. |
Content - Heating Values
Note: These fields are only visible if ShowHeatingValues is enabled at the top of the Content tab of the unit.
| Tag / Symbol | Input/ Calc | Description |
|---|---|---|
| Heating Values (Combustion) | ||
| HVHiM | Calc | Heating Value - Heat released if the stream components undergo complete combustion with oxygen to produce carbon dioxide gas and liquid water at the stream temperature and pressure on a mass basis. |
| HVHiMl | Calc | As above except on a molar basis. |
| HVHiV | Calc | As above except on a volumetric basis. |
| HVHiNV | Calc | As above except on a normal volume basis. |
| HVLoM | Calc | Heating Value - Heat released if the stream components undergo complete combustion with oxygen to produce carbon dioxide gas and steam at the stream temperature and pressure on a mass basis. |
| HVLoMl | Calc | As above except on a molar basis. |
| HVLoV | Calc | As above except on a volumetric basis. |
| HVLoNV | Calc | As above except on a normal volume basis. |
| HVHiM25 | Calc | Heating Value - Heat released if the stream components undergo complete combustion with oxygen to produce carbon dioxide gas and liquid water at 25 degrees celsius and 1 atmosphere pressure on a mass basis. |
| HVHiMl25 | Calc | As above except on a molar basis. |
| HVHiV25 | Calc | As above except on a volumetric basis. |
| HVHiNV25 | Calc | As above except on a normal volume basis. |
| HVLoM25 | Calc | Heating Value - Heat released if the stream components undergo complete combustion with oxygen to produce carbon dioxide gas and steam at 25 degrees celsius and 1 atmosphere pressure on a mass basis. |
| HVLoMl25 | Calc | As above except on a molar basis. |
| HVLoV25 | Calc | As above except on a volumetric basis. |
| HVLoNV25 | Calc | As above except on a normal volume basis. |
Content - H2O Properties
This section will show water/steam entropy values. These will only be shown if the user has chosen to display the H2OProperties in the Plant Model - Views tab page.
|
Symbol / Tag |
Input / Calc |
Description |
| H2OProps... | ||
| Water.State | Calc | SysCAD checks the content properties with the steam tables and displays if under the current content temperature and pressure, would all the H2O be liquid (water). If yes, it will display OK, if not it will display invalid. |
| [email protected] | Calc | Water vapour temperature at pressure. |
| Water.Entropy | Calc | Water entropy. |
| Steam.State | Calc | SysCAD checks the content properties with the steam tables and displays if under the current content temperature and pressure, would all the H2O be vapour (steam). If yes, it will display OK, if not it will display invalid. |
| Steam.Entropy | Calc | Steam entropy. |
Content - User Property Calculations
Users can define their own calculations (called User Property Calculations) in the Project Configuration (cfg File) which will be displayed on the Qi/Qo page. Refer to Calculation Configuration for more details.
NOTE: Calculations will only be shown if the calculations involve conversions that have a time based equivalent (eg. mass flow becomes mass).
Content - Water Quality (WQ)
This section will show water quality values. These will only be shown if the user has chosen to display the WaterQualities in the Plant Model - Views tab page. The values will appear on a new tab page called either 'Water' or 'WQ'.
Please see Material Content Section - Water Quality.
Content Composition Tab Page
This section shows the actual amount of each species in the unit.
Please see Species Content Section.
Content - DLockup
- This tab is only visible if Lockup has been included in the Configuration file AND Lockup has been enabled on the Plant Model - Qualities Tab AND Lockup.Action has been set to 'Create' in a Feeder.
- This tab page is for configuring the Lockup.
Please see Lockup - Creating Lockup for an explanation of the fields.
Content - Lockup
- This tab is only visible if Lockup has been included in the Configuration file AND Lockup has been enabled on the Plant Model - Qualities Tab AND Lockup has been 'Created' in the project, either in or upstream of the current unit.
Please see Lockup - Data Sections for an explanation of the fields.
Content - DTrack
- This tab is only visible if Material Tracking has been included in the Configuration file AND Material Tracking has been enabled on the Plant Model - Qualities Tab AND MatTrack.Action has been set to 'Create' or 'Modify Content'.
- This tab page is for configuring the Material Tracking.
Please see Material Tracking - DTrack Data Sections for an explanation of the fields.
Content - Track
- This tab is only visible if Material Tracking has been included in the Configuration file AND Material Tracking has been enabled on the Plant Model - Qualities Tab AND Material Tracking has been 'Created' in the project, either in or upstream of the current unit.
Please see Material Tracking - Track Data Sections for an explanation of the fields.
Content - DSz
- This tab is only visible if Size Distribution (PSD) has been configured in the Configuration file AND SzDist.Action has been set to 'Create' in a Feeder.
Please see Size Distribution Definition - Data Sections for an explanation of the fields.
Content - Sz
- This tab is only visible if Size Distribution (PSD) has been configured in the Configuration file AND Size Distribution (PSD) has been 'Created' in the project, either in or upstream of the current unit.
Please see Sz Data Sections for an explanation of the fields.
Content - MSz
- This tab is only visible if Size Distribution (PSD) has been configured in the Configuration file AND Size Distribution (PSD) has been 'Created' in the project, either in or upstream of the current unit.
Please see MSz Data Sections for an explanation of the fields.
Content - DSSA
- This tab is only visible if SSA has been included in the Configuration file AND SSA has been 'Created', either in a Feeder or in a Pipe on the Qi tab, in the current unit.
Please see SSA Data Sections for an explanation of the fields.
Content - SSA
- This tab is only visible if SSA has been included in the Configuration file AND SSA has been 'Created' in the project upstream of the current unit.
Please see SSA Data Sections for an explanation of the fields.
