Post on 26-Mar-2015
transcript
Objectives of the ProgramThe objectives of this program are:
1. To calculate dew point – bubble point temperature and pressure as well as the component’s composition;
2. To provide a more accurate way of calculation;
3. To minimize time and effort during iterations.
PRINCIPLES and RELEVANT EQUATIONS
PRINCIPLES and RELEVANT EQUATIONS
Dew Point the condition (T,P) at which liquid begins to condense out of the vapor
Bubble Point the condition (T,P) at which liquid begins to vaporize
PRINCIPLES and RELEVANT EQUATIONS
Antoine’s Equation
PRINCIPLES and RELEVANT EQUATIONSA. Bubble Point Pressure
(1)
(2)
(3) (4)
PRINCIPLES and RELEVANT EQUATIONS
B. Dew Point Pressure
(1)
(2)
(3) (4)
PRINCIPLES and RELEVANT EQUATIONSC. Bubble Point Temperature
(1)
(2)
(3)
PRINCIPLES and RELEVANT EQUATIONS
(4)
(5)
(6)
(7) (8)
PRINCIPLES and RELEVANT EQUATIONSD. Dew Point Temperature
(1)
(2)
(3)
PRINCIPLES and RELEVANT EQUATIONS
(4)
(5)
(6)
(7) (8)
Interface and Other Features
Welcome Interface
About the Program Interface
Proceed Calculation
Links the user to the calculation features of the Dew Point – Bubble Point Temperature – Pressure Calculator
About the Program Interface
Read Instruction
Links the user to the instruction features of the Dew Point – Bubble Point Temperature – Pressure Calculator. This contains the instruction on how the use the program.
About the Program Interface
Exit Program
Closes the Dew Point – Bubble Point Temperature – Pressure Calculator program
Select Condition Interface
Select Components
Links the user to the Antoine’s Constant for Vapor Pressure Interface wherein possible components of the binary system are listed in the database
Select Condition Interface
Open File
Provides access to the saved files of the computer and allow retrieval of the saved files
Antoine’s Constant for Vapor Pressure Interface”
MANUAL Input
Links the user to the instruction on how to add component to the database of Antoine’s constant
”How to Add Component to Database Interface
Antoine’s Constant for Vapor Pressure Interface”
IMPORT
Transfers the Antoine’s constant of the components to the Binary System Components Interface
”Binary System Components Interface
Antoine’s Constants of the
Components
Composition of AActivity
Coefficient of ATotal P or T of the binary system
”Binary System Components Interface
Convert Given T/P
Provides user with a Temperature/ Pressure converter used to obtain given quantity of the required unit
”Temperature/Pressure Converter
”Binary System Components Interface
Compute
Performs calculation for the desired unknown and display results in the Result interface.
”
Result Interface
”Binary System Components Interface
Change Component
Allows users to change the component of an existing binary system.
”
Result Interface
Save File
Allows users to store data inputs and results into the computer
”
Save File Interface
”
Result Interface
Open File
Allows the user to open saved calculations and data from the computer.
”
Open File Interface
”
Result Interface
New File
Resets all data inputs as well as the calculations without saving.
”
Result Interface
Exit Program
Closes the program
Limitations of the Program
only applicable for binary system
can not be used when both P and T at dew point or bubble point are unknown.
assumes that activity coefficient of each component is not a function of temperature
Summary and Conclusion