Technical University Gh

Technical University “Gh. Asachi” Iasi

Faculty of MECHANICAL ENGINEERING

Department of THERMOTECNICS, THERMAL MACHINES,

REFRIGERATION, AIR CONDITIONING

CURRICULA of discipline THERMAL EQUIPMENT

Category of discipline: Technical Discipline (TD), Compulsory Discipline (CD)

Discipline titular: lect.eng. Zubcu Dorina Silvia

Structure of the discipline:

Semester

A. Objectives: Knowlege (construction and calculus) assimilation of basic thermal equipment used in thermal stations and thermal-power stations.

B. Content of discipline

INTRODUCTION (1 hour)

Thermal Equipment.

Thermal Equipment - technical and economical study (5 hours)

Steam Power Station and Gas Power Station. Thermal Schemes. Technical and Economical Study.

STEAM CONDENSERS (6 hours)

Operating Principle of Condenser. Condenser Component Parts. Types of Condensers. Condenser Construction. Condenser Calculus.

DEAERATORS (3 hours)

Operating Principle of Deaerator. Deairator Component Parts. Deaerator Construction. Deaerator Calculus. Types of Deaerators.

COOLING TOWERS (3 hours)

Operating Principle of Cooling Tower. Cooling Tower Component Parts. Cooling Tower Construction. Cooling Tower Calculus. Types of Cooling Towers.

COAL DUST PREPARATION (6 hours)

Coal Storage. Component Parts of Coal Dust Preparation Installation. Crushing Mills. Feeders. Distributors. Usual Coal Dust Preparation Schemes.

WATER PREHEATERS (1 hour)

Low Pressure Water Preheaters. High Pressure Water Preheaters. Component Parts of Water Preheater. Water Preheater Calculus.

GAS TURBINE COMBUSTION CHAMBERS (2 hours)

Combustion Chamber Function. Component Parts. Particularities. Combustion Chamber Construction. Combustion Chamber Calculus. Types of Combustion Chambers. Flame Stability. Turbulent Nozlles.

STIRLING MACHINES (6 hours)

Stirling Thermodynamic cycle with heat regeneration. Theoretical Stirling Machine.

Alpha, beta and gamma constructive schemes. Indicator diagram of a beta type Stirling engine.

Heat exchangers for Stirling machines. Poly-cylinder Stirling engines. Free-piston Stirling machines.

HEAT PUMPS (3 hours)

Heat Pump Operating Principle. Heat Pump Function. Basic Thermal Scheme of Heat Pumps. Types of Heat Pumps. Using Expectations of Heat Pumps.

THERMAL-ACTED VUILLEUMIER HEAT PUMP (3 hours)

Constructive scheme. Theoretical Vuilleumier machine. Construction of a thermal-acted heat pump. Energy amounts exchanged in a Vuilleumier machine.

GAS TURBINE AIR PREHEATERS (2 hours)

Recovery Air Preheaters. Regenerating Air Preheaters. Air Preheater Function. Component Parts. Construction Types of Gas Turbine Air Preheaters.

THERMAL NETWORKS (1 hour)

Water Pipes. Steam Pipes. Air Pipes. District Heating Pipes. Thermal Houses.

Whole course: 42 hours

C. Project themes

Thermal Calculus of a Steam Condenser:

- The theme; basic concepts (2 hours)

- Thermal balance of the condenser (4 hours)

- Thermal calculus of the condenser (4 hours)

- Hydrodynamic calculus of the condenser (2 hours)

- Strength calculus of the condenser (2 hours)

Whole project: 14 hours

D. Evaluation form:

Final mark = 0,7 x Exam mark + 0,3 x (Project mark + periodical test marks)

E. References

1. Zubcu, Dorina Silvia ş.a. Condensatoare de abur. Ed. “Gh. Asachi”, Iaşi, 1998.

2. Vlădea, I. Instalaţii şi utilaje termice. E.T., Buc., 1966.

3. Burducea, C. şi Leca, A. Conducte şi reţele termice. E.T., Buc., 1974.

4. Carabogdan, I. ş.a. Instalaţii termice industriale. E.T., Buc., 1978.

5. Ghia, V. Recuperatoare şi regeneratoare de căldură. E.T., Buc., 1966.

6. Popa, B. ş.a. Schimbătoare de căldură industriale. E.T., Buc., 1977.

7. Zubcu, V. ş.a. Combustibili. Instalaţii de ardere. Cazane. Ed.Politehnica, Timişoara, 1998.