Air Conditioning and Refrigeration


Mechanical Engineering, Publication in the Diário da República - Despacho nº 14312/2015 - 02/12/2015

5.5 ECTS; 3º Ano, 1º Semestre, 15,0 T + 30,0 TP + 15,0 P + 3,50 OT

- Flávio Rodrigues Fernandes Chaves

Not applicable.

Concepts of climate control and refrigeration. Calssification of climate control systems, air diffusion in indoor spaces, ventilation. Refrigeration applications. Steam compression system. Refrigerant fuids. Refrigeration equipments, thermal loads.

1. Psychrometrics
2. Thermal comfort and climate action
3. Characterisation of thermal behaviour of buildings
4. Air conditioning systems
5. Dimensioning of refrigeration ducts
1. Refrigeration theory and cycles and
2. Refrigerants
3. Study of the components of refrigeration plants
4. Calculation of refrigeration plants

Evaluation Methodology
Final mark will be calculated according the following criteria:
Written Test - 50%
Lab Work - 50%
FM = 0.50.WT + 0.50.LW

- Creus, J. (2008). Tratado Prático de Refrigeração Automática. Lisboa: Dinalivro
- Stocker, W. (1998). Industrial Refrigeration Handbook. .: McGraw-Hill
- Çengel, Y. e Boles, M. (2000). Termodinâmica. .: McGraw-Hill
- ., .. DL 118/2013, Regulamento de desempenho energético dos edifícios de habitação (reh).. .: .

Method of interaction
Lectures and tutorials including exercise solving and laboratory experiments. Thermal and HVAC specialty project and IAQ and thermal comfort analysis.

Software used in class
Several spreadsheets: ventilation, Qventila, SCE-ER, ITECONS-monozone