Search results

nullspace of [math]\displaystyle{ S }[/math]. The number of vectors ([math]\displaystyle{ J }[/math]) represents the degrees of freedom (or nullity) of the system

Source) The Source can contain any number of species. Note the Source species may or may not also be added as part of the feed. Reactions using the Source species

do any calculations and has no process links to any other models in SysCAD flowsheets. Its sole purpose is for management and configuration of a selected

reactions. Entering Heat of Dilution Data in the Species Properties Database - Heat of dilution data is usually entered as a table of Enthalpy of Formation

user and is the species index of steam. Example: SteamIndex = SpI("H2O(g)") Please see Species Database Class for more examples. NOTE: These are old PGM Syntax

with SysCAD in the Examples Folder, demonstrate the use of this model in a SysCAD project. The diagram shows the default drawing of the Precipitator, with

diameter of a size interval. However there are other ways of characterizing the 'typical' diameter of a particle in a size interval (bin). For example, if the

Analysis 138. This file is stored in ..\SysCADXXX\Examples\01 Reports\Sensitivity Analysis.xlsm This is an example Excel Report using COM Automation for sensitivity

➔ Common Sections ➔ Define Species (DSp) Section This Tab will contain a list of all of the species that are specified in the Project configuration file. If a

Subcooling@P Calc The amount of Subcooling at the mixture's pressure (SatT@P-T). LatHtVap Calc The Latent heat of vaporisation of the listed component at the

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: SimpleHX - The first tab page in the access

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Crusher2 - The first tab page in the access

distributed with SysCAD in the Examples folder, demonstrates the use of this model. The diagram shows the default drawing of the Simple Heater, with the required

results of these calculations are presented in Table 3. (Note that since the reference temperature of 273.15K is less than Ts (Start Temperature) of 298.15K

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Pipe-1 - The first tab page in the access

In Step 2 of 2, select the Calculations tab Follow instructions given in Calculation Configuration The species display order (on Sp Tab of a stream) can

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: SimpleEvaporator - The first tab page in the

mix. If Heat of Dilution data is being used, it will usually be in the form of Spline data with Enthalpy of Formation at 25°C as a function of percentage

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: SimpleCondenser - The first tab page in the

segments of the Layered Tank. (Each segment may consist of a number of Layers). Detail - This series of tabs allows the user to view the content of an individual

documentation is for the latest version of SysCAD. The AQSol program can be used for general phase equilibrium calculations and process simulations for aqueous

growth rates of the order of 1[math]\displaystyle{ \mu/ }[/math]hr are typical. Knowing the actual surface area, we can then predict the rate of mass increase

To perform a mass balance of the species, we recommend using the TagSelect Class at the end of project solve, some examples are given below: ;--- SysCAD

videos in this section of the Help documentation are intended to supplement the Tutorial Document, and to provide clarification to some of the sections. Notes:

information such as Length of Run, Start Time, Step Size and so on at the start of the run. However, these tags can only be set while the project is stopped

selected, then other thermal calculations have no effect. Cooler calculations are still performed, so that the performance of the coolers is still available

up and Viewing User Defined Calculations Another focus of this example is to show user how to add in user defined calculations for their project, once defined

Subcooling@P Calc The amount of Subcooling at the mixture's pressure (SatT@P-T). LatHtVap Calc The Latent heat of vaporisation of the listed component at the

elemental compositions of the SysCAD and ChemApp species must match. The charge of the two species must be the same. The redox state of each element is not

perform calculations. InFlow tab - This tab allows the user to set the final conditions, specify the InFlow composition and perform calculations. OutFlowS

fractions outside of the defined range the results may be invalid. This method calculates the viscosity of a solution based on ALL of the aqueous species

account when calculating the properties of sugar solutions and in the calculation of purity and Brix. However, the split of the solutes for species other than

in Heat of Dilution in Reaction Energy Calculations and Partial Pressure of Gases in Reaction Energy Calculations. Summary of Reactions - Table of all reactions

Specify a Stream Flowrate (must have a flow to complete the calculations) Specify the Number of aqueous compounds to be defined (excluding water) Fill in

user needs to define a Heat of Reaction (HOR) value for the reaction. See Heat of Reaction for more information. Entering Heat of Formation Data in the Species

AvePoints(number of points) - Reports the defined number of data points using time-weighted average. EndPoints(number of points) - Reports the defined number of data

additional tab, R1. Depending on the number of reactions specified within the reaction file, there may be more than one of these tabs. The additional sections

user needs to define a Heat of Reaction (HOR) value for the reaction. See Heat of Reaction for more information. Entering Specific Heat Data in the Species

displacement of feed liquor from the filter cake and will not be used in any of the wash efficiency calculations. The user may specify the wash efficiency of the

balance calculations. Particle Growth increases the total mass of THA in the tank, without changing particle numbers. The growth calculations are completely

temperature. These calculations will use a Reference Temperature of 25 °C. Note SysCAD uses a Reference Temperature of 0 °C for all enthalpy calculations, including

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Pipe-1 - The first tab page in the access

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. The data sections and variable names are described in

number of points such as the melting point of gallium and the triple point of hydrogen. The only water value it uses is the triple point of water of 273.16

ratios of vapours is reported. Custom Calculations: New functionality to specify calculations based on species in a stream. Two types of calculations based

range of the Cp value for any species. The image below shows the tab page for liquids in a project: Click on a property and you can choose from any of the

Model - Views Tab: Most of the calculations presented here have equivalent calculations in the Examples of User Property Calculations table. Please note that

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: OLIReactor - The first tab page in the access

Automation ➔ Example - Optimisation Related Links: Example Project - ChemApp with Python Optimisation This example demonstrates using a number of tools to

next to the list. Most of the calculations presented here have equivalent calculations in the Examples of Species Calculations table. Please note that

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: FFEvaporator2 - The first tab page in the

fixed feed (at start of belt) and the product to one fixed product (at end of belt). As the speed of the belt changes, the amount of material withdrawn from

Crystallisation Example and Three Stage Evaporator Example, which are distributed with SysCAD in the Examples Folder, demonstrate the use of the Potash species

side only. Examples include feeder inlets, sink outlets, spills, RB Source/Sink, etc. These DirectLinks do not have graphics symbols. The list of possible

name. The Histogram tab page provides a list of the values used to create the histogram. Note: If the value of the stattag is not a number (NAN) (shown as

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: DrumFilter - The first tab page in the access

form are as follows: Create a SysCAD report in Excel. User can use one of Example SysCAD Excel Reports or Default Reports as template. Once the Excel report

fraction of impurities retained or (4) entering constants for an equation which calculates the fraction of impurities retained. The dissolution of sugar crystals

breakage. For example, if the feed contained 1 kg of +10mm material and 3 kg of +1.7mm material, then 95% of 1kg would be broken in the crusher. 30% of this broken

size distribution of the screen feed, specifically the amount of near size material, the amount of half size material, and the amount of oversize material;

default drawing of the Evaporative Dryer, with all of the streams that are required for operation of the unit. The physical location of the streams connecting

would have a number of tanks at different stages of the fill/precip/drain cycle, and the net operation is steady state; the contents of the product stream

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Compressor - The first tab page in the access

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: FFEvaporator1 - The first tab page in the

or more, of the solid species will behave differently in a unit operation to the other solid species. The Examples below demonstrate one of the Separation

You need to take care of SysCAD requirements for data formatting and rules. NOTES: All engineering units are CASE sensitive. Most of the engineering unit

The main purpose of this unit operation is to simulate the transfer of heat through a body of material. Examples of this are linings of kilns or smelters

Shows the use of ChemApp Model Configuration. Shows the use of ChemApp Direct Calc Model Shows the use of ChemApp Side Calc Model Shows the use of ChemApp Reactor

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: SolidsRecovery - The first tab page in the

with SysCAD in the Examples folder, demonstrate the use of this model in a SysCAD project. The diagram shows the default drawing of the Desuperheater,

use of PHREEQC Reactor. The use of PHREEQC Side Calc Model. The use of General Separator. The use of Makeup Sources and Makeup Blocks. The use of a General

SysCAD 9.3. See Revision History for a full list of improvements and fixes after the first release of Build 138. See Upgrading Projects and Upgrading Builds

breakage. For example, if the feed contained 1 kg of +10mm material and 3 kg of +1.7mm material, then 95% of 1kg would be broken in the mill. 30% of this broken

To use the negative of a declared variable in any function (where allowed), must enter -1 * variable (NOT -variable). For example y = exp(-x) is NOT allowed

User Guide ➔ Edit ➔ Project Configuration (cfg File) ➔ Calculation Configuration ➔ Species Calculation Expressions NOTES: Function SumPhase() has only three

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: ReverseOsmosis - The first tab page in the

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: MultiStorage - The first tab page in the access

The main purpose of this unit operation is to simulate the transfer of heat through a body of material. Examples of this are linings of kilns or smelters

window consists of 3 sections. This number may increase or decrease, based on user configuration. SignalCon tab - Contains a summary of all of the individual

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: DiskCentrifuge - The first tab page in the

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Valve2 - The first tab page in the access

set-point of the PID controllers. When the project is converged, no additional acid is required via these Makeup blocks. This ensures stability of the project

the addition of reagents/utility to the plant. General Controller - This is used as a Feed Forward controller, as well performing calculations for control

L = water loading, mass flow of liquid per unit of ground area into the top of the tower (lb/h ft2) C = specific heat of water (assumed to be a constant

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Classifier - The first tab page in the access

specifies a reaction in a unit, the heat of reaction is calculated from the difference in the sum of the heats of formation of the products and reactants, as shown

information of a selected variable, when copying the variable tag, please use "Copy Full Tag". For example: species or elemental flowrate of material flowing

Navigation: User Guide ➔ Edit ➔ Project Configuration (cfg File) ➔ Calculation Configuration ➔ User Property Expressions NOTES: Function SumPhase() has

SysCAD plant models of third-party software performing detailed equilibrium and thermodynamic property calculations. The direct integration of these specialist

Shows the use of precipitation using full particle size data. Brief Project Description As per Example 1. Full PSD is used instead of SSA. Project Configuration

Efficiency (MechEfficiency)}} }[/math] Checking of Steam conditions During the work calculations, checking of steam quality is important since the exhaust

Heats of formation of the products - Sum of Heats of formation of reactants. (This is the default method of calculating the heat of reaction.) The heats of

a film of molasses. The mass fraction of molasses is in the order of several percent of the total mass and the moisture fraction in the order of one percent

See Model Examples for enthalpy calculation Examples. Unit Type: Boiler - The first tab page in the access window will have this name. A) Example Project:

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: HeaterKX - The first tab page in the access

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Pump2 - The first tab page in the access window

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: GasPump1 - The first tab page in the access

information required for Mass and Energy balance. See Model Examples for enthalpy calculation Examples. Unit Type: Pump-1 - The first tab page in the access

sections of the flowsheet where they are not needed. Various general improvements for entering Species Calculations and Properties Calculations New functions

specified to a fixed value of 2 t/h A simple heater unit model is used for the pre-heating stages of iron ore and hydrogen before entering the Shaft furnace. The