FACULTY

APPLIED TECHNOLOGIES

DEPARTMENT

AIRCRAFT TECHNOLOGY ENGINEERING

LEVEL OF STUDIES

UNDERGRADUATE

MODULE CODE

AE2140T

SEMESTER OF STUDIES

3^RD

MODULE TITLE

THERMODYNAMICS

INDEPENDENT ACTIVITIES

TEACHING HOURS PER WEEK

CREDIT UNITS

Lectures

3

3

Practice

1

2

COURSE TYPE

Specialty course

PRE-REQUIERED COURSES:

TEACHING AND EXAMINATION LANGUAGE:

GREEK

THE COURSE IS OFFERED TO ERASMUS STUDENTS 

COURSE WEBSITE  (URL)

Learning Objectives

After successfully completing the course students should be able to :

• Analyze the phenomena on which energy conversions are based.

• Describe the concepts of internal energy,  enthalpy, work, heat, entropy and analyze the basic principles  of

   thermodynamics  

• Calculate the thermodynamic properties of energy maginitudes

• Calculate thermal cycles of thermal engine operation

General skilss

•               Independent work

•               Team work

•               Generation of new research ideas

Unit 1: Basic concepts and definitions. Thermodynamic magnitudes. Thermodynamic energy. Energy forms.  State and equilibrium. Processes and cycles.  The axiom of states. Pressure.Temperature and the zeroth law of Thermodynamics.  Pure substance: phases, phase change processes, steam pressure and phase equilibrium. The state equation of ideal gases. Other state equations.

Unit 2: The first law of Thermodynamics (energy conservation). Heat transfer. Work. Mechanical forms of work. Transformations in closed systems. Energy equation and reversibility. Specific heats. Internal energy, enthalpy and specific heats of ideal gases. Internal energy, enthalpy and specific heats of liquids and solids. Constant volume process,  temperature entropy, adiabatic and polytropic processes.

Unit 3: Transformations in open systems. Thermodynamic analysis of the control volume. The steady flow energy equation. Constant flow open systems: steamer and condenser, convergent and divergent nozzle, turbine and compressor, flow throttling, reciprocating compressor, constant transformation thermodynamic cycles. Processes of transitional unsteady flow. 

Unit 4: Second Law of Thermodynamics (reversible and irreversible phenomena). Cycle efficiency. Thermal engines. Reversibility and irreversibiligy: friction, heat transfer and  temperature difference. 

Unit 5: Applications of Thermodynamic Laws. Reversible engine efficiency. Irreversible engine efficiency. Entropy. Entropy increase principle. Entropy transformation in pure substances. Isentropic transformations. Tds relations. Isentropic efficiencies of steady flow devices. Fluids thermodynamic properties. Diagrams  P-v-T. Diagrams P-T-s-h.

Unit 6: Energy. Work dynamic measurement. Reversible work and reversibility. 

Unit 7: Thermodynamic cycles- Power and refrigeration generation. Basic concepts in the analysis of power generation cycles. Carnot cycle. Rankine cycle. Joule cycle. Otto cycle. Diesel cycle. Stirling and Ericsson cycles. Analysis of power generation cycles according to the second thermodynamics law.

Unit 8: Power generation cycles with steam. Carnot and Rankine steam cycles. Ideal Carnot  cycle with reheat. Ideal Rankine cycle with regeneration. Refrigeration cycles. Refrigerators and heat pumps. Carnot reverse cycle. Ideal refrigeration cycle with steam compression.  Selection of refrigerating means. 

Unit 9: Refrigeration cycles. Carnot reverse cycle. Ideal refrigeration cycle with steam compression.  Real refrigeration cycles with steam. Selection of refrigeration means. Heat pumping systems. Heat pumps.  Gas refrigeration cycles  (refrigeration cycles with gas ). Refrigeration systems with absorbtion. Thermoelectric power generation and refrigeration systems.

Unit 10: General thermodynamic relations. Helmholtz function  (free internal energy).  Gibbs function(free enthalpy). Maxwell relations.  Specific thermal capacity.   Joule-Thomson function. Calculations with ideal gas. Calculations with gas  Van der Waals.

Unit 11: Gas mixtures. Composition and properties of gas mixtures. Gas-steam mixtures. Fuels and combustion.

              Theoretical and actual combustion. Formation enthalpy and combustion enthalpy. First law analysis  in

               reacting systems. Adiabatic flame temperature.  Second Law analysis of reacting systems.

Unit 12: Thermodynamics of high speed fluids. Failure properties. The speed of sound and Mach number. Isentropic    

               flow through nozzles. Normal shock waves in flows through nozzles. Flow through actual nozzles and actual 

               diffusers.

ΤEACHING METHOD

In the classroom

USE OF INFORMATION AND COMMUNICATION TECHNOLOGIES

Use of thermodynamics analysis software

Use of  e-class platform

TEACHING ORGANIZATION

STUDENT EVALUATION

Final written examination (100%)including: 

- Multiple choice questions 

- Problem solving regarding thermodynamic cycles of aircraft engines.

-Suggested Bibliography :

1)            Y.Cengel, M.Boles «Θερμοδυναμική για μηχανικούς» τόμος Α & Β, Εκδόσεις Τζιόλα, 1998.

2)            J. M. Smith, H. C. Van Ness «Εισαγωγή στη θερμοδυναμική» τόμος 1 & 2, Εκδόσεις Τζιόλα , McGraw-Hill, 1990.

3)            R. E. Sonntag, C. Borgnakke, G. J. Van Wylen «Fundamentals of Thermodynamics», John Wiley & Sons, 1997.

4)            J. Rayner, R. Joel «Basic Engineering Thermodynamics», Addison-Wesley Pub Co., 1998.

5)            W. Z. Black, J. G.Hartley «Thermodynamics»Harper Collins Publishers Inc.1996.

6)            T. D. Eastop, A. McConkey «Applied Thermodynamics for Engineering Technologists», 4th Edition, Longman, London & New York, 1986.

7)            B. Milton «Thermodynamics-Combustion and Engines», Chapman & Hall, 1995.

8)            M. Moran and H. Shapiro «Fundamentals of Engineering Thermodynamics», J. Wiley & Sons Inc., 1998.

9)            A. Bejan «Advanced Engineering Thermodynamics», John Wiley & Sons, 1997.

10)          Γ. Κάππος «Εφαρμοσμένη θερμοδυναμική», Εκδoσεις Κλειδάριθμος, 1996.

11)          Κ. Wark «Thermodynamics for Engineers», McGraw Hill, Inc., 1995.

-Συναφή επιστημονικά περιοδικά: