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Applied Thermodynamics II

Code 15770
Year 3
Semester S1
ECTS Credits 6
Workload PL(15H)/T(30H)/TP(15H)
Scientific area Mechanics and Thermodynamics
Entry requirements Applied Thermodynamics I.
Mode of delivery Classes
Work placements No
Learning outcomes Provide knowledge in the areas of thermodynamics of reactive systems and exergy method, aimed at solving practical engineering problems involving combustion and rational efficiency analysis.
To gain knowledge on combustion notions and methods.
To know how to equilibrate chemical reactions.
To know how to make energy balances to reactive systems.
To know how to calculate flame temperatures.
To solve practical problems in typical combustion equipment: engines; combustion chambers; boilers.

To familiarize with exergy concepts and distinguish exergy from energy.
To relate irreversibilities with exergy losses and entropy production.
To know how to calculate the irreversibility of a process
To know how to make exergy balances to closed or open systems.
To solve problems involving the exergy analysis of systems and know how to calculate rational efficiencies.
Syllabus Part I- Thermodynamics of reactive systems - Combustion. 1) Mixtures of ideal gases. 2) Reaction of combustion. Fuels. 3) Generalization of thermodynamic properties. 4) Heat of reaction. 5) Energy balances involving reactive systems. 6) Adiabatic flame temperature. 7) Calculation of combustion chambers and boilers. 8)Dissociation (optional).

Part II- Exergy. 1) Introduction. 2) Irreversibilities. 3) Equation of the exergy balance. 4) Rational efficiency. 5) Application to simple processes. 6) Application to power and refrigeration cycles. 7) Introduction to chemical exergy (optional).
Main Bibliography “Fundamentos de Termodinâmica Aplicada”, P.P. Oliveira, LIDEL, págs. 466, 2012. 2ª Ed. 2015 495 pp.
“Fundamentals of Engineering Thermodynamics”, M.J. Moran e H.N. Shapiro, Wiley,5th Edition, 2006.
“Fundamentals of Classical Thermodynamics”, G.J. Van Wylan e R.E. Sonntag, Wiley, New York, 1971.
“The Exergy Method of Thermal Plant Analysis”, T. J. Kotas, Butterworths, 1985
“Thermodynamic and Transport Properties of Fluids, SI Units”, G.F.C. Rogers e Y.R. Mayhew, 5th Ed, Blackwell Pub., 1995.
Teaching Methodologies and Assessment Criteria Teaching methodologies are based on mixed theoretical/practical and practical approaches. There are 2 classes per week with 2 hours each. In one the theoretical concepts are given, followed immediately by practical illustrations. In the practical class, numerical exercises involving application of the theory to concrete thermodynamics engineering problems are solved. In addition, there are two laboratory classes.
The evaluation is based on a written test (75%), a lab work (17,5%) and active participation in the practical classes (7,5%) and/or an exam (82,5%) and lab (17,5%). Marks above 16 require a final oral examination. Min mark in written test/exam 8,5 (/20). Test: 10 Jan 2024 11h-13h
Language Portuguese. Tutorial support is available in English.
Last updated on: 2024-01-19

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