Thermaldynamic
PROC2080 PROCESS THERMODYNAMICS
Assignment (30%)
Submission deadline: Tuesday 09/06/2020 at 11:55 pm
Submit your work in Canvas before the deadline. Do not email your work. Late submission will not be accepted.
• All components in this assignment add up to a mark of 100 points which corresponds to the weight of this assignment (30%).
• You may choose to (i) work individually and submit the work on your own, or (ii) work in pair and submit a joint report, for assessment. For the latter, you may choose who you want to work with.
• Your report MUST include the following three components:
1. A typed Summary Header (the template is available for download in the assignment page) [5 points],
2. A scanned copy of your handwritten work that clearly articulates the method used and the calculations performed in answering the assignment question [85 points, see the breakdown in the question page], and
3. Raw calculations – This assignment requires iterative calculations and the use of spreadsheets to perform such calculation is recommended. All raw calculations including iterative calculations performed in spreadsheets must be appended and submitted as a separate file. [10 points]
The importance of bubble point and dew point calculations
Four common types of vaporliquid equilibria calculations are illustrated by the four quadrants in Figure 1. In a bubblepoint calculation, the liquidphase mole fractions of the system are specified, and the vapor mole fractions are solved for. The solution represents the composition of the first bubble of vapor that forms when energy is supplied to a saturated liquid.
Figure 1. Common VLE calculations.
Conversely, in a dewpoint calculation, the liquid mole fractions are determined given the vapor mole fractions. This case corresponds to the composition of the first drop of dew that forms from a saturated vapor. Bubble and dewpoint calculations are represented by the two columns in Figure 1. In addition to knowing the composition, the value of either the temperature or the pressure needs to be specified to constrain the state of the system. The former case is represented by the first row in Figure 1, while the latter case is represented by the second row. Hence, the grid in Figure 1 represents four typical combinations of independent and dependant variables found in VLE problems. They are defined by the quadrants I, II, III, and IV for reference in the examples and problems presented in Modules 68 of this course.
When confronted with such a calculation, it is important to identify the independent and dependent variables systematically. For binary systems that follow Raoults law, it is possible to solve for the vapour and liquid mole fractions when temperature and pressure are known.
Before you attempt the problem in this assignment, it is important that you get yourself familiarised with the materials and concepts presented in Sections 12.1 – 12.3 and 13.1 – 13.5 of SVAS. Section 13.3 of SVAS provides the method and the techniques to support the calculations in this assignment. In addition, the approaches and iteration techniques adopted in the following examples are highly relevant to the problem in this assignment:
• Example 13.1 in the prescribed textbook,
• Example 6 in the prelectorial screencast of Module 6, and
• Example 3 in the prelectorial screencast of Module 7.
Assignment question
The Wilson model is versatile and has been widely adopted to describe the VLE behaviour of many binary mixtures including the mixture of methanol (1)/acetone (2). The Wilson equation, like the Margules equations, contains just two parameters for a binary system.Thermaldynamic
PROC2080 PROCESS THERMODYNAMICS
Assignment (30%)
Submission deadline: Tuesday 09/06/2020 at 11:55 pm
Submit your work in Canvas before the deadline. Do not email your work. Late submission will not be accepted.
• All components in this assignment add up to a mark of 100 points which corresponds to the weight of this assignment (30%).
• You may choose to (i) work individually and submit the work on your own, or (ii) work in pair and submit a joint report, for assessment. For the latter, you may choose who you want to work with.
• Your report MUST include the following three components:
1. A typed Summary Header (the template is available for download in the assignment page) [5 points],
2. A scanned copy of your handwritten work that clearly articulates the method used and the calculations performed in answering the assignment question [85 points, see the breakdown in the question page], and
3. Raw calculations – This assignment requires iterative calculations and the use of spreadsheets to perform such calculation is recommended. All raw calculations including iterative calculations performed in spreadsheets must be appended and submitted as a separate file. [10 points]
The importance of bubble point and dew point calculations
Four common types of vaporliquid equilibria calculations are illustrated by the four quadrants in Figure 1. In a bubblepoint calculation, the liquidphase mole fractions of the system are specified, and the vapor mole fractions are solved for. The solution represents the composition of the first bubble of vapor that forms when energy is supplied to a saturated liquid.
Figure 1. Common VLE calculations.
Conversely, in a dewpoint calculation, the liquid mole fractions are determined given the vapor mole fractions. This case corresponds to the composition of the first drop of dew that forms from a saturated vapor. Bubble and dewpoint calculations are represented by the two columns in Figure 1. In addition to knowing the composition, the value of either the temperature or the pressure needs to be specified to constrain the state of the system. The former case is represented by the first row in Figure 1, while the latter case is represented by the second row. Hence, the grid in Figure 1 represents four typical combinations of independent and dependant variables found in VLE problems. They are defined by the quadrants I, II, III, and IV for reference in the examples and problems presented in Modules 68 of this course.
When confronted with such a calculation, it is important to identify the independent and dependent variables systematically. For binary systems that follow Raoults law, it is possible to solve for the vapour and liquid mole fractions when temperature and pressure are known.
Before you attempt the problem in this assignment, it is important that you get yourself familiarised with the materials and concepts presented in Sections 12.1 – 12.3 and 13.1 – 13.5 of SVAS. Section 13.3 of SVAS provides the method and the techniques to support the calculations in this assignment. In addition, the approaches and iteration techniques adopted in the following examples are highly relevant to the problem in this assignment:
• Example 13.1 in the prescribed textbook,
• Example 6 in the prelectorial screencast of Module 6, and
• Example 3 in the prelectorial screencast of Module 7.
Assignment question
The Wilson model is versatile and has been widely adopted to describe the VLE behaviour of many binary mixtures including the mixture of methanol (1)/acetone (2). The Wilson equation, like the Margules equations, contains just two parameters for a binary system.Thermaldynamic
PROC2080 PROCESS THERMODYNAMICS
Assignment (30%)
Submission deadline: Tuesday 09/06/2020 at 11:55 pm
Submit your work in Canvas before the deadline. Do not email your work. Late submission will not be accepted.
• All components in this assignment add up to a mark of 100 points which corresponds to the weight of this assignment (30%).
• You may choose to (i) work individually and submit the work on your own, or (ii) work in pair and submit a joint report, for assessment. For the latter, you may choose who you want to work with.
• Your report MUST include the following three components:
1. A typed Summary Header (the template is available for download in the assignment page) [5 points],
2. A scanned copy of your handwritten work that clearly articulates the method used and the calculations performed in answering the assignment question [85 points, see the breakdown in the question page], and
3. Raw calculations – This assignment requires iterative calculations and the use of spreadsheets to perform such calculation is recommended. All raw calculations including iterative calculations performed in spreadsheets must be appended and submitted as a separate file. [10 points]
The importance of bubble point and dew point calculations
Four common types of vaporliquid equilibria calculations are illustrated by the four quadrants in Figure 1. In a bubblepoint calculation, the liquidphase mole fractions of the system are specified, and the vapor mole fractions are solved for. The solution represents the composition of the first bubble of vapor that forms when energy is supplied to a saturated liquid.
Figure 1. Common VLE calculations.
Conversely, in a dewpoint calculation, the liquid mole fractions are determined given the vapor mole fractions. This case corresponds to the composition of the first drop of dew that forms from a saturated vapor. Bubble and dewpoint calculations are represented by the two columns in Figure 1. In addition to knowing the composition, the value of either the temperature or the pressure needs to be specified to constrain the state of the system. The former case is represented by the first row in Figure 1, while the latter case is represented by the second row. Hence, the grid in Figure 1 represents four typical combinations of independent and dependant variables found in VLE problems. They are defined by the quadrants I, II, III, and IV for reference in the examples and problems presented in Modules 68 of this course.
When confronted with such a calculation, it is important to identify the independent and dependent variables systematically. For binary systems that follow Raoults law, it is possible to solve for the vapour and liquid mole fractions when temperature and pressure are known.
Before you attempt the problem in this assignment, it is important that you get yourself familiarised with the materials and concepts presented in Sections 12.1 – 12.3 and 13.1 – 13.5 of SVAS. Section 13.3 of SVAS provides the method and the techniques to support the calculations in this assignment. In addition, the approaches and iteration techniques adopted in the following examples are highly relevant to the problem in this assignment:
• Example 13.1 in the prescribed textbook,
• Example 6 in the prelectorial screencast of Module 6, and
• Example 3 in the prelectorial screencast of Module 7.
Assignment question
The Wilson model is versatile and has been widely adopted to describe the VLE behaviour of many binary mixtures including the mixture of methanol (1)/acetone (2). The Wilson equation, like the Margules equations, contains just two parameters for a binary system.Thermaldynamic
PROC2080 PROCESS THERMODYNAMICS
Assignment (30%)
Submission deadline: Tuesday 09/06/2020 at 11:55 pm
Submit your work in Canvas before the deadline. Do not email your work. Late submission will not be accepted.
• All components in this assignment add up to a mark of 100 points which corresponds to the weight of this assignment (30%).
• You may choose to (i) work individually and submit the work on your own, or (ii) work in pair and submit a joint report, for assessment. For the latter, you may choose who you want to work with.
• Your report MUST include the following three components:
1. A typed Summary Header (the template is available for download in the assignment page) [5 points],
2. A scanned copy of your handwritten work that clearly articulates the method used and the calculations performed in answering the assignment question [85 points, see the breakdown in the question page], and
3. Raw calculations – This assignment requires iterative calculations and the use of spreadsheets to perform such calculation is recommended. All raw calculations including iterative calculations performed in spreadsheets must be appended and submitted as a separate file. [10 points]
The importance of bubble point and dew point calculations
Four common types of vaporliquid equilibria calculations are illustrated by the four quadrants in Figure 1. In a bubblepoint calculation, the liquidphase mole fractions of the system are specified, and the vapor mole fractions are solved for. The solution represents the composition of the first bubble of vapor that forms when energy is supplied to a saturated liquid.
Figure 1. Common VLE calculations.
Conversely, in a dewpoint calculation, the liquid mole fractions are determined given the vapor mole fractions. This case corresponds to the composition of the first drop of dew that forms from a saturated vapor. Bubble and dewpoint calculations are represented by the two columns in Figure 1. In addition to knowing the composition, the value of either the temperature or the pressure needs to be specified to constrain the state of the system. The former case is represented by the first row in Figure 1, while the latter case is represented by the second row. Hence, the grid in Figure 1 represents four typical combinations of independent and dependant variables found in VLE problems. They are defined by the quadrants I, II, III, and IV for reference in the examples and problems presented in Modules 68 of this course.
When confronted with such a calculation, it is important to identify the independent and dependent variables systematically. For binary systems that follow Raoults law, it is possible to solve for the vapour and liquid mole fractions when temperature and pressure are known.
Before you attempt the problem in this assignment, it is important that you get yourself familiarised with the materials and concepts presented in Sections 12.1 – 12.3 and 13.1 – 13.5 of SVAS. Section 13.3 of SVAS provides the method and the techniques to support the calculations in this assignment. In addition, the approaches and iteration techniques adopted in the following examples are highly relevant to the problem in this assignment:
• Example 13.1 in the prescribed textbook,
• Example 6 in the prelectorial screencast of Module 6, and
• Example 3 in the prelectorial screencast of Module 7.
Assignment question
The Wilson model is versatile and has been widely adopted to describe the VLE behaviour of many binary mixtures including the mixture of methanol (1)/acetone (2). The Wilson equation, like the Margules equations, contains just two parameters for a binary system.Thermaldynamic
PROC2080 PROCESS THERMODYNAMICS
Assignment (30%)
Submission deadline: Tuesday 09/06/2020 at 11:55 pm
Submit your work in Canvas before the deadline. Do not email your work. Late submission will not be accepted.
• All components in this assignment add up to a mark of 100 points which corresponds to the weight of this assignment (30%).
• You may choose to (i) work individually and submit the work on your own, or (ii) work in pair and submit a joint report, for assessment. For the latter, you may choose who you want to work with.
• Your report MUST include the following three components:
1. A typed Summary Header (the template is available for download in the assignment page) [5 points],
2. A scanned copy of your handwritten work that clearly articulates the method used and the calculations performed in answering the assignment question [85 points, see the breakdown in the question page], and
3. Raw calculations – This assignment requires iterative calculations and the use of spreadsheets to perform such calculation is recommended. All raw calculations including iterative calculations performed in spreadsheets must be appended and submitted as a separate file. [10 points]
The importance of bubble point and dew point calculations
Four common types of vaporliquid equilibria calculations are illustrated by the four quadrants in Figure 1. In a bubblepoint calculation, the liquidphase mole fractions of the system are specified, and the vapor mole fractions are solved for. The solution represents the composition of the first bubble of vapor that forms when energy is supplied to a saturated liquid.
Figure 1. Common VLE calculations.
Conversely, in a dewpoint calculation, the liquid mole fractions are determined given the vapor mole fractions. This case corresponds to the composition of the first drop of dew that forms from a saturated vapor. Bubble and dewpoint calculations are represented by the two columns in Figure 1. In addition to knowing the composition, the value of either the temperature or the pressure needs to be specified to constrain the state of the system. The former case is represented by the first row in Figure 1, while the latter case is represented by the second row. Hence, the grid in Figure 1 represents four typical combinations of independent and dependant variables found in VLE problems. They are defined by the quadrants I, II, III, and IV for reference in the examples and problems presented in Modules 68 of this course.
When confronted with such a calculation, it is important to identify the independent and dependent variables systematically. For binary systems that follow Raoults law, it is possible to solve for the vapour and liquid mole fractions when temperature and pressure are known.
Before you attempt the problem in this assignment, it is important that you get yourself familiarised with the materials and concepts presented in Sections 12.1 – 12.3 and 13.1 – 13.5 of SVAS. Section 13.3 of SVAS provides the method and the techniques to support the calculations in this assignment. In addition, the approaches and iteration techniques adopted in the following examples are highly relevant to the problem in this assignment:
• Example 13.1 in the prescribed textbook,
• Example 6 in the prelectorial screencast of Module 6, and
• Example 3 in the prelectorial screencast of Module 7.
Assignment question
The Wilson model is versatile and has been widely adopted to describe the VLE behaviour of many binary mixtures including the mixture of methanol (1)/acetone (2). The Wilson equation, like the Margules equations, contains just two parameters for a binary system.
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