Course Name: Thermodynamics

Course Code: S2293092

Semester: 2

Credit: 4

Program: Building

Course Module: Heating and Ventilation

Responsible: Qingsong An

E-mail: anqingsong@tju.edu.cn

Department:School of Mechanical Engineering, Tianjin University

Time Allocation(1 credit hour = 45 minutes)

Course Description

• Basic principles of thermodynamic laws and their application to engineering systems.

• The relationship between working fluid, equilibrium state and equations of state.

• Analytical methods of thermodynamics

• Analysis and calculation of thermo-technical process and thermodynamic cycle by the above-mentioned laws and methods.

• Mechanisms of Carnot cycle, Rankine cycle, Otto cycle, and Diesel cycle, heat engines, refrigeration and heat pump.

Prerequisite

Physics

Course Objectives

Ÿ To master the use of the thermodynamic laws.

Ÿ To understand the calculation of the energy and entropy variation in energy conversion systems.

Course Syllabus

1. Introduction(Lecture)

Research objectives, object of study, research methods

Common energy conversion equipment of engineering thermodynamic

System of engineering thermodynamics

2. Chapter One(Lecture)

Basic concept and definition: thermodynamics system, state and state parameter, equilibrium and equilibrium state, state equation, thermodynamic process, qualities process, calculation of heat, thermodynamic cycle

3. Chapter Two (Lecture)

Energy and the first law of thermodynamics: the first law of thermodynamics, thermodynamics energy, closed system energy equation, opened system energy equation, enthalpy, the application example of stable flow energy equation

4. Chapter Three (Lecture)

Entropy and the second law of thermodynamics: the second law of thermodynamics, the basic expression of the second law of thermodynamics, entropy, Clausius integral inequality, Carnot cycle and Carnot theorem, thermodynamics thermometric scale, principle of entropy increase of isolated system, entropy equation

5. Chapter Four (Lecture)

Thermodynamics common relational expression: Maxwell relational expression, thermodynamics energy, enthalpy, entropy common relational expression

6. Chapter Five (Lecture)

Thermal properties of gas: state equation of ideal gas, Van der Waal equation, the character of actual gas state changing

7. Chapter Six (Experiment)

Observing the changes of state of CO2 liquefaction process and the mutation phenomenon of critical state of gas-liquid

Determination of basic parameters of CO2 P-V-T relationship

Drawing three isothermal curve, and comparing with the standard experimental curves, analysing the reason of error.

8. Chapter Seven (Lecture)

Heat properties of Steam: equilibrium condition of unit heterogeneous system, thermodynamic properties chart of steam, calculation of steam parameter

9. Chapter Eight (Lecture)

Ideal gas mixture and moist air: quality components, volume components, Moore components of ideal gas mixture, calculation of ideal gas mixture, partial volume law and partial pressure law of ideal gas mixture, moist air composition, absolute humidity, relative humidity, moisture content

10. Chapter Nine (Lecture)

Thermodynamic process of ideal gas: isochoric process, constant-pressure process, constant temperature process, adiabatic process (constant entropy process), the analysis and calculation of polytrophic process

11. Chapter Ten (Lecture)

The flow of gas and steam: energy equation of adiabatic flow, change rule of sectional area, flow characteristic of gas in nozzle and effuse, design and calculation of nozzle, efficiency of nozzle, adiabatic stagnation

12. Chapter Eleven (Experiment)

Determining pressure and flow variation of air flow in the nozzle

Deepening the conceptual understanding of critical phenomena gas flowing in the nozzle

Observing and realizing the characteristics of the gas flowing in tapered

13. Chapter Twelve (Lecture)

The compression of gas: the compression process of compressor, piston compressor working process, the clearance volume and volumetric efficiency, compression and intermediate cooling

14. Chapter Thirteen (Experiment)

Determining and calculating the indicating power and indicated power under different working conditions in the process of the gas piston compressor

Determining compressor average polytrophic compression index

15. Chapter Fourteen(Lecture)

Steam power cycle Rankine cycle, regenerative heat cycle, reheat cycle, pyroelectricity cycle

16. Chapter Fifteen (Lecture)

Gas power cycle: three basic ways of combustion engine cycle, gas turbine cycle, steam and gas combined cycle

17. Chapter Sixteen(Lecture)

Refrigeration cycle: compressed air refrigeration cycle, vapor compression refrigeration cycle, steam jet refrigeration cycle, absorption refrigeration cycle

18. Discussion and Presentation

Textbooks & References

• Mingshan Zhu.Engineering Thermodynamics. 2011.

Capability Tasks

CT1: To understand basic science, and to have analytical ability and the ability to integrate related knowledge.

CT2: To apply relevant professional knowledge to the field of science and technology: understanding of the basic concepts and its connotation, application of different methods and concepts which have been learned, capability of judging the scope and limitations of such applications.

CT3: To grasp methodologies and engineering tools: identifying, utilizing and solving problems. Even if the students are not familiar with the content, they can turn to computer tools for systematic analysis.

CS2: Able to make intelligent monitoring for energy consumption, comfort degree and other physical performance of green buildings, and master active and passive technologies for green guarantee in the operation of buildings;

Achievements

• To master calculation methods for the efficiency of heat engines, calculation of the COP of heat pumps and refrigerators. –Level: M

• To master calculation methods for the variation of energy and entropy accompanying a state change. –Level: M

• To master the method for the analysis of energy conversion systems. –Level: M

Students: Building, Year 1