SubjectsSubjects(version: 954)
Course, academic year 2019/2020
  
Technological Calculations in Energetics - M218001
Title: Technologické výpočty v energetice
Guaranteed by: Department of Power Engineering (218)
Faculty: Faculty of Environmental Technology
Actual: from 2019 to 2019
Semester: winter
Points: winter s.:5
E-Credits: winter s.:5
Examination process: winter s.:
Hours per week, examination: winter s.:2/2, C+Ex [HT]
Capacity: unlimited / unlimited (unknown)
Min. number of students: unlimited
State of the course: not taught
Language: Czech
Teaching methods: full-time
Teaching methods: full-time
Level:  
Note: course can be enrolled in outside the study plan
enabled for web enrollment
Guarantor: Macák Jan doc. Ing. CSc.
Mištová Eva Ing. Ph.D.
Interchangeability : N218009
Examination dates   Schedule   
Annotation -
The course focuses on the processes associated with perfect and imperfect combustion of fuel (heating value, burning temperature, excess air factor, the general equation of oxygen balance, the amount and composition of flue gas and desulphurization), next section is focused on the thermodynamic processes in the power plant (work, thermal and thermodynamic efficiency, regeneration cycle), calculations associated with combined cycle and cooling cycles and heat pump cycles.
Last update: Mištová Eva (22.01.2018)
Aim of the course -

Students will be able to:

to calculate the amount and composition of flue gases during perfect and imperfect combustion of the fuel, the actual combustion temperature, coefficient of excess air, heat loss, steam generator balance, thermal and thermodynamic efficiency, the amount of steam produced, fuel burned and the amount of cooling water and its loss, superheated steam temperature regulation by injection of condensate, efficiency of combined cycle, values associated with cooling to a low temperature in a wet or dry refrigeration cycle.

Last update: Mištová Eva (22.01.2018)
Literature -

R:Mištová E.,Macák J., Jelínek L.:Energetika-Návody k výpočtům,VŠCHT Praha,2016,978-80-7080-946-4

A:Vošta J., Matějka Z., Macák J.:Energetika,VŠCHT Praha,1999,80-7080-358-4

A:Tabulky a diagramy z oboru paliv, SNTL Praha 1956

A:Výpočty termodynamických, transportních a ostatních vlastností obyčejné vody,CZ NC PWS,Ústav termomechaniky AV ČR,Praha,2001,80-85918-63-3

Last update: Mištová Eva (22.01.2018)
Learning resources -

https://uen.vscht.cz/studium/8321/10465

https://uen.vscht.cz/studium/8321/8735/10467

https://uen.vscht.cz/files/uzel/10468/0001~~S81LLUpPLclMzj68UqEkMak0J7sSAA.pdf?redirected

https://uen.vscht.cz/files/uzel/10468/0002~~y9AtVkjJTEwvSswFAA.pdf?redirected

Last update: Mištová Eva (22.01.2018)
Syllabus -

1. Types of fuels for power production, properties thereof. Upper and lower calorific values.

2. Effective combustion. Excess of air. Flue gas analysis.

3. Incomplete combustion. Air excess coefficient. Oxygen balance.

4. Temperature of combustion. Combustion products dissociation. Combustion rate and limits.

5. Boiler efficiency estimation. Guarantee tests, standards.

6. States of water and steam. State diagrams. IAPWS formulations (IFC67, IF97).

7. Estimation of wet steam state. Methods, devices.

8. Heat cycles. Thermal efficiency. Methods of its increase.

9. Power and heat production plants. Schemes, utilized heat, losses.

10. Steam turbines, expansion in h-s diagram. Thermodynamic efficiency.

11. Power production indexes, estimation thereof.

12. Cooling cycles, balance. Balance of turbine condenser.

13. Combined cycles, thermodynamic processes, efficiency.

14. Absorption and compression cooling cycles. Heat pumps.

Last update: Fialová Jana (17.01.2018)
Registration requirements -

Power Engineering

Last update: Mištová Eva (01.02.2018)
Course completion requirements -

Credit based on two credit tests or summary test;

Oral exam

Last update: Mištová Eva (01.02.2018)
Teaching methods
Activity Credits Hours
Účast na přednáškách 0.8 22
Příprava na přednášky, semináře, laboratoře, exkurzi nebo praxi 0.5 14
Příprava na zkoušku a její absolvování 1.7 48
Účast na seminářích 2 56
5 / 5 140 / 140
Coursework assessment
Form Significance
Regular attendance 20
Continuous assessment of study performance and course -credit tests 50
Oral examination 30

 
VŠCHT Praha