Advanced Energy Technologies

Code:

EM0057

Acronym:

TEA

Keywords
Classification	Keyword
OFICIAL	Heat Transfer and Fluid

Instance: 2007/2008 - 1S

Active?	Yes
Responsible unit:	Fluids and Energy Division
Course/CS Responsible:	Master in Mechanical Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
MIEM	11	Syllabus since 2006/2007	5	-	8	84	213

Teaching language

Portuguese

Objectives

1- BACKGROUND
New energy technologies are replacing traditional energy conversion methods. Recent advances in different energy technologies and equipment are addressed.
2- SPECIFIC AIMS
To present a wide range of new energy technologies, particularly those which may contribute to racionalisation and sustainability of energy consumption. Areas addressed are: refrigeration technologies, combustion technologies, solar and new technologies.
3- PREVIOUS KNOWLEDGE
Basic courses of Thermodynamics, Fluid Mechanics and Heat Transfer.
4- PERCENT DISTRIBUTION
Scientific component:25%
Technological component:75%
5- LEARNING OUTCOMES
Knowledge and Understanding- knowledge related to different energy technologies and equipment.
Engineering analysis-Analysis of energy equipment and energy conversion processes.
Engineering design- Design guidelines and methods for different types of energy equipment.
Investigations- Analysis of new system configurations.
Engineering practice- Applications in Thermal Engineering regarding Building Services, Industry and Energy Production.
Transferable skills- Design tools for different energy technologies.

Program

REFRIGERATION TECHNOLOGIES
Cold chain; refrigeration and freezing. Classification of refrigeration systems. Analysis of electrically-driven, thermally-driven and hybrid refrigeration systems. Components of refrigeration machines: design principles. Refrigerants and their impact on the ozone layer and greenhouse effect; new refrigerants. Thermal loads in the storage of cold products.

COMBUSTION TECHNOLOGIES
Adiabatic flame temperature. The second law of thermodynamics and combustion. Dissociation. Solid combustibles. Combustion of an isolated carbon particle. Combustion models and burning rate for an isolated particle. Liquid combustibles. Aerosol combustion. Vaporization without combustion of a liquid droplet. Droplet evaporation time. Evaporation and combustion of a single droplet. Combustion time. Droplet pre-heating and burning time of the carbon solid residue. Droplet life time.

FUEL CELLS
General considerations. Types of fuel cells. Cells with ion exchange membrane. Cells with direct methanol. Alcaline cells. Cells of phosphorous acid. Cells with melted carbonate. Solid oxide cells. Thermodynamics of fuel cells.

SOLAR COOLING TECHNOLOGIES
Solar cooling systems and processes: absorption, adsorption, ejection, desiccant and PV-thermoelectric. Characteristics, behaviour and economic analysis.

EVAPORATIVE COOLING TECHNOLOGIES
Direct and indirect evaporative air coolers. Dew point air coolers.

VORTEX TUBES
Characteristics, efficiency and economic analysis.

MICRO-COGENERATION SYSTEMS
Types of systems, with and without turbine/generator. Characteristics and economic analysis.

Teaching methods and learning activities

Classes have a mixed theiretical-practical nature. Presentation of theory is followed by practical application examples.

Evaluation Type

Evaluation with final exam