Applied Thermodynamics II
 
 
Subject Code: EME3036
Aim of Subject: To introduce the students to the practical applications and further concepts of thermodynamics.
Learning Outcome of Subject: At the completion of the subject, students should be able to :
  • Have acquired the basic principles of engineering thermodynamics.
  • Calculate the change in the internal energy, enthalpy, entropy, etc. of a substance undergoing a change of state by using the appropriate thermodynamic relations.
  • Understand the concepts of non-reacting mixtures in general and air-vapor mixtures in particular, and apply the principles of psychrometry to the thermodynamic analyses of cooling towers and air-conditioning systems.
  • Understand the basic concepts of combustion, and apply the first and second laws of thermodynamics to chemically reacting systems.
  • Understand the basic concepts of internal combustion engines.
  • Understand the basic concepts of turbine plants, and perform first-law analyses of their working cycles.
  • Undertake, under supervision, laboratory experiments on cooling tower and gas turbine.
Programme Outcomes:
  • Ability to acquire and apply fundamental principles of science and engineering(45%)
  • Capability to communicate effectively(10%)
  • Acquisition of technical competence in specialised areas of engineering discipline(25%)
  • Ability to identify, formulate and model problems and find engineering solutions based on a systems approach(10%)
  • Understanding and commitment to professional and ethical responsibilities(5%)
  • Ability to work independently as well as with others in a team(5%)
Assessment Scheme:
  • Lab Experiments - work in groups, lab report writing, oral assessment at the end of lab (10%)
  • Tutorial / Assignment - group assignment,focus group discussion at tutorial,to enhance understanding of basic concepts in lecture(15%)
  • Test Quiz - written exam (15%)
  • Final Exam - written exam (60%)
Teaching and Learning Activities: 51 hours (lectures,tutorials and laboratory experiment)
Credit Hours: 3
Pre-Requisite: EME2046: Applied Thermodynamics I
References:
  • Y.A. Cengel and M.A. Boles, “Thermodynamics: An Engineering Approach”, 4th Edition, McGraw-Hill, 2002. (Textbook)
  • W.Z. Black and J.G. Hartley, "Thermodynamics, English/SI Version", 3rd Edition, Prentice Hall, 1996.
  • M.J. Moran and H.N. Shapiro, "Fundamentals of Engineering Thermodynamics", 3rd Edition, John Wiley & Sons, 1998.
  • R. Sonntag, C. Borgnakke and G. Van Wylen, "Fundamentals of Thermodynamics", 5th Edition, John Wiley and Sons, 1998.

Subject Contents

  • Internal Combustion Engines

  • SI and CI engines, Two and four stroke cycles, Effect of number, size, ect. of cylinder on output. Air standard and ideal efficiencies. Supercharging and geared compressor, exhaust gas driven turbo-charging.
     
  • Turbine Plant Performance

  • Classification. Performance criteria. Adiabatic and isentropic efficiencies of flow devices. Isentropic ideal gas relation. Use of Tables. Gas turbine power cycles with Multistaging, intercooling, reheating and regeneration. Jet propulsion engines. Energy analysis of ideal and non-ideal cycles.
     
  • Thermodynamic Relations

  • Clapeyron equation. Maxwell relations. Relations involving internal energy, enthalpy and entropy. Expansivity and compressibility. Specific heats and their ratio. Construction of tables thermodynamics properties. Equation of state for real gases. Generalized charts for enthalpy and entropy.
     
  • Non-reacting Mixtures

  • Mixture of ideal gases. Mixture of gas and vapor. Thermodynamic properties. Mixing of ideal gases. Psychrometry. Cooling towers. Air-conditioning.
     
  • Reacting Mixtures

  • Introductory combustion. Air and fuels. Reaction equation. Theoretical and excess air. Enthalpy of formation. Enthalpy and internal energy of combustion. Heat of reaction. Adiabatic flame temperature. Application of first and second laws.
     

Laboratory

1. Cooling Tower
2. Gas turbine