Code: | EQ0101 | Acronym: | ETEE |
Keywords | |
---|---|
Classification | Keyword |
OFICIAL | Technological Sciences |
Active? | Yes |
Responsible unit: | Department of Chemical Engineering |
Course/CS Responsible: | Master in Chemical Engineering |
Acronym | No. of Students | Study Plan | Curricular Years | Credits UCN | Credits ECTS | Contact hours | Total Time |
---|---|---|---|---|---|---|---|
MIEQ | 30 | Syllabus | 4 | - | 6 | 56 | 162 |
5 |
Learning of general applyed thermal engineering. Learning of thermal energy prodution processes.
Students can gain basic skills about energy audits, energy quality principles and cogeneration plants.
Students can gain basic skills about thermal energy production through fossil combustible.
Students should have the basic tools to optimize the energy in a process with several heat exchanges.
Thermodynamics, Mass and Heat Balances, Mass and Heat Transport Phenomena
MODULE I
Introduction to the lecture course. Introduction to Thermal Engineering. What is an energy audit. The macro and the micro audit. The micro-audit and how to proceed.
The quantification and qualification of the envolved energies. The equivalent primary energy.
The 1982 portuguese legislation. The new legislation from 2008.
Primary energy conversion factors. Emission factors, carbon intensity. Energy intensity. Specific energy consumption. Targets for the specific energy consumption according to 1982 and 2008 laws.
Basic principles if the energy accounting. Operational costs. Capital costs. Total costs, capital and running costs. different value sacles. Monetary and energy scales. Different energy scalling factors. Equivalence time of an energy converter. Comparison between monetary and energy accounting. Added value for an energy unit and operational plant.
Cogeneration, advantages and disadvantages. Types of cogeneration plants. The thermodynamics of cogeneration. Electrical efficienct. Artificial electrical efficiency. Equivalent efficiency. Energy utilization factor. Weighted energy utilization factor. Energy economy index. Primary energy demand ratio.
The environmental impaction of the cogeneration. Basic conditions fopr environmental friendly cogeneration plants.
Economics of cogeneration plantes. Energy and exergy evaluation. Basic principles for cost evaluation. Analysis of a cogeneration plant with a steam turbine. Methodology for the definition of the mathematical model for cost estimation.
Simplified methods for cost estimation. Definition of the price of the electricity. Definition of the price of useful thermal power. Minimum conditions for a profitable cogeneration plant.
Trigeneration. The cogeneration for cold and electricity production. Simulstaneous trigeneration. Conditions for an environmentally friendly cogeneration.
MODULE II
- Introduction - slow combustion and deflagration; beginning of combustion; pre-mixed and diffusion flame; deflagration and detonation; gas, liquid and solid fuels; Mass conservation; Chemical equation; Combustion of hydrocarbons; products of combustion, complete combustion; reduced combustion; incomplete combustion
- Thermodynamics and Combustion - 1st law of thermodynamics applied to combustion; Enthalpy of formation and internal energy of formation; Heating values; Approximate formulas to calculate heating values of fuels; adiabatic flame temperature; dissociation; equilibrium constant and dissociation constant; reversible combustion; Gibbs function and dissociation constant
- Chemistry and combustion- rate of reaction; molecules and rate of reaction; rate of reaction equation; the effect of pressure on rates of reaction; rate of reaction on an isothermal combustion; the effect of temperature on simple rates of reaction; relationship between activation energy and enthalpy of combustion.
- Combustion controlled by kinetics and combustion controlled by diffusion.
MODULE III
- Design of a cogeneration System - a case study
- Energetic integration in chemical processes
Combined theoretical and practical classes
Description | Type | Time (hours) | Weight (%) | End date |
---|---|---|---|---|
Attendance (estimated) | Participação presencial | 56,00 | ||
Exame | 3,00 | 80,00 | ||
Trabalho escrito | 20,00 | |||
Total: | - | 100,00 |
Description | Type | Time (hours) | End date |
---|---|---|---|
Elaboração de projeto | 10 | 2012-12-15 | |
Estudo autónomo | 30 | ||
Total: | 40,00 |
Minimum mark of 6 in the final examination
Final examination about topics of modules I and II (80%)
Módule III - Presentation of an individual work (20%)
Examination about all the topics (Modules I, II and III)
Final examination (Modules I and II). In Module III is not possible to improve the mark.