cache glasgow

7/27/2019 CACHE Glasgow

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Welcome to the CACHE and EURECHA

Information Session for academics at the Chemical

Engineering World Congress in Glasgow, Scotland.

Alsh Room of the SECC

CACHE Presenter Prof. Michael B. Cutlip

EURECHA Presenter Prof. Zdravko Kravanja


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CACHE

CACHE - Computer Aids for Chemical Engineering

A Learning Community Providing Educational Aidsand Topical Conferences for the Chemical Engineering

Profession

Fourteen chemical engineering educators met in 1969 to form the

CACHE (Computer Aids for Chemical Engineering) Committee. The

CACHE Committee was initially sponsored by the Commission on

Education of the National Academy of Engineering and funded by theNational Science Foundation. In 1975, after several successful projects

had been completed, CACHE was incorporated as a not-for-profit

corporation in Massachusetts to serve as the administrative umbrella

for the consortium activities.


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Presentation

1.CACHE Web Site Resource for Faculty

with Emphasis on the Teaching

Resource Center

2.Upcoming CACHE Conferences

3.Available Software from CACHE


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CACHE Web Site: www.cache.org


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The CACHE Teaching Resource Center


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Announcements Upcoming Conferences

sponsored by CACHE

Foundations of Systems Biology in Engineering

University of California, Santa Barbara USA

August 7-10, 2005

Chemical Process ControlLake Louise, Alberta, Canada

January 8 13, 2006

Foundations of Molecular Modeling and Simulation

Blane, Washington USA

July 9 14, 2006


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CACHE Featured Software Products

Purdue Laboratory Modules

ChemSep

Polymath


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Complete Laboratory Simulation Packagesfrom Purdue University and available through CACHE

Large, complex or hazardous processes can be incorporated intothe laboratory

Emphasis can be shifted to proper experimental design and data

analysis

Budget and time constraints help students develop project

management skills

I. Hydrogen Liquefaction

Reactive Cooling Tower

Determine heat transfer parameters for

plate and fin heat exchanger

Determine reaction rate parameters for

ortho-para hydrogen reaction Design reactive cooling tower for ortho to

para conversion during hydrogen

liquefaction

ReactiveCooling System


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Complete Laboratory Simulation Packagesfrom Purdue University and available through CACHE

Latex ProductionII. Emulsion Polymerization

Model polymerization reactions anddistribution of species betweenmonomer, polymer and aqueous phases

Obtain propagation and chain transferreaction rate constants in a bench scalereactor

Study heat transfer requirements in asemi-batch production reactor

Emulsion Polymerization

Decaffeination Objectives

III. Coffee Bean Decaffeination Determine extraction efficiencies for caffeine,

flavor and aroma compounds Determine rate constants for side reaction

Select cycle time and temperature to optimize

bitterness and extract 97% caffeine

Blend beans to minimize cost and satisfy taste

panel requirements for flavor and aroma


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www.chemsep.org5

Convenient Windows interface Equilibrium and Rate-based column

models

Integrated graphics

Export to Excel, Word, and html Integrated and informative help

ChemSep Lite available FREE!

ChemSep is a program for

performing multicomponent

separation process calculations.It was created specifically for

use in courses on

thermodynamics and/or

separation processes. ChemSepintegrates flash, the classic

equilibrium stage column model

and a nonequilibrium or rate-

based column model in one easy

to use program.


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Nonequilibrium column model- Features a sophisticatednonequilibrium or rate-based model.

Databank- Comes with a databank of 189 commonchemicals.

Thermodynamic and Physical Property Models - Includesalmost all of the most widely used thermodynamic models.

Performance Correlations - Provides over 40 correlations formass transfer coefficients in different types of column, as wellas 18 different ways to estimate pressure drop and 16 forholdup.

Degrees of Freedom Analysis - Indicates the number of

degrees of freedom and identifies how many variablesremain to be specified.

McCabe-Thiele Diagrams -Available as a standard feature(even for multicomponent systems).


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Numerical Solutions for Mathematical Problems inChemical Engineering

POLYMATH Software

Linear Equations

Nonlinear EquationsDifferential Equations

Data analysis and Regression

Extremely Easy-to-Use on PCs

Excellent Problem Solving Capabilities

Also Provides ExcelSolutions

Automated Export of Problems to Excel Enables Stand-Alone Excel Calculations

Provides Differential Equations Add-In for Excel(Ode_Solver)

Promotes the Use of Other Excel Add-Ins such as

Aspen Properties that can provide access tophysical property databases.

Now Works with MATLAB


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A New Paradigm in Desktop Problem Solving

Involving Polymath, Aspen Properties, and Excel

Provides Advanced Problem Solutions

MathematicalModel

PhysicalProperties

Solution

Algorithm

DocumentationOutput

Excel

Solution

Aspen Properties

Polymath 6.0


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POLYMATH Software PresentsPOLYMATH 6.0

Numerical Computation PackageA Significant New Release

Extremely Easy-to-Use Excellent Problem Solving Capabilities

Now Works to Provide Excel Solutions

Automated Export of Problems to Excel

Enables Stand-Alone Excel Calculations

Provides Differential Equations Solver for Excel

Promotes the Use of Aspen Properties within ExcelCalculations


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POLYMATH 6.0Professional problem solving capabilities include:

Linear Equations - up to 264 simultaneous equations

Nonlinear Equations - up to 600 simultaneous nonlinear

and explicit algebraic equations

Differential Equations - up to 600 simultaneous ordinary

differential and explicit algebraic equations

Data analysis and Regression - up to 1000 data pointswith capabilities for linear, multiple linear, and nonlinear

regressions with extensive statistics plus polynomial and

spline fitting with interpolation and graphing capabilities


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POLYMATH 6.0 features include: EASE OF USE WITHOUT ANY PROGRAMMING LANGUAGES

OR CONTROL LANGUAGES TO REMEMBER

STANDARD WINDOWS EDITING EXTENSIVE USER ALGORITHM SELECTION AND CONTROL

EXECUTION WITH ALL 32-BIT WINDOWS OPERATING

SYSTEMS

COMPATIBILITY WITH PREVIOUS VERSIONS

THREE ON-BOARD UTILITIES: POWERFUL CALCULATOR,

UNIT CONVERTER, AND EXTENSIVE ENGINEERING

CONVERSION FACTORS EXTENSIVE ON-LINE DOCUMENTATION

AUTOMATIC PROBLEM EXPORT TO EXCEL EXCEL ADD-IN

FOR DIFFERENTIAL EQUATIONS

MATLAB OUTPUT GIVING ORDERED AND FORMATTED

EQUATIONS


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Demonstration Problem Cocurrent Operation of a Double

Pipe Heat Exchanger


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Some Problem Details Local Heat Transfer Coefficient

The following equation represents the local heat transfer coefficient

where the exponent n = 0.4 for heating and 0.3 for cooling


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Demonstration Problem Differential Equations

for Heat Exchanger


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Demonstration Problem:

Calculate the required length of a concurrent double

pipe heat exchanger with cooling water in the shell

side and benzene in the tube side. The cooling wateris available at 65 F and has a flow that is three

times that of the benzene. The configuration of the

heat exchanger is given below:

Entering the Problem into Polymath - Constant Properties


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Entering the Problem into Polymath - Constant Properties


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Aspen Properties Excel Calculator

Brings Physical Property Data to Excel

Pure component constants (MW, Normal boiling point).

Vapor pressure at a specified temperature

Pure component property at specified temperature andpressure

Mixture properties for a specified mixture at given

temperature and pressure

Two and three phase flash, bubble and dew point calculations

Preparing for Aspen Properties Building the aprbkp file


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Preparing for Aspen Properties Building the aprbkp file

Setting Up Aspen Property Data in an Excel Spreadsheet


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Setting Up Aspen Property Data in an Excel Spreadsheet

Using Aspen Properties Add-In for Excel

Export the Polymath Program to the Open Excel Book with a


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Export the Polymath Program to the Open Excel Book with a

Single Keypress

The Polymath Problem is Automatically Exported to a new


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The Polymath Problem is Automatically Exported to a new

Excel Worksheet in the open Workbook.

The Excel Spreadsheet is Ready for Solving Differential


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The Excel Spreadsheet is Ready for Solving Differential

Equations

The Polymath Solution Needs to be Copied into the Aspen


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The Polymath Solution Needs to be Copied into the Aspen

Properties Worksheet

The Physical Property Information Is Copied into the Excel


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The Physical Property Information Is Copied into the Excel

Problem Solution

The Add-In (Ode Solver) for Solving Differential Equations


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The Add In (Ode_Solver) for Solving Differential Equations

is Selected and Initialized

The Report of the Differential Equation Solution is


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e epo o e e e qu o So u o s

Automatically Generated on a new Worksheet

A Graph can be Generated on the Report Worksheet


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p p

SUMMARY - A New Paradigm in Desktop Problem


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Solving Involving Polymath, Aspen Properties, and Excel

Provides Advanced Problem Solutions in Excel

MathematicalModel

PhysicalProperties

Solution

Algorithm

Documentation

Output

Excel

Solution

Aspen Properties

Polymath 6.0

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CACHE Web http://www.cache.org

or E-mail Contact [email protected]

Announcements of upcoming conferences

Brochures on ChemSep and Polymath

Free personal copy of Polymath with

license for one year Trial use of Polymath for your department,

faculty, staff, and labs for one term ~ 4months

Answers to questions regarding CACHE
http://www.cache.org/mailto:[email protected]:[email protected]://www.cache.org/

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