Learning objectives
The purpose is to present a review of the main fluid machines which found applications in the food industries.
Prerequisites
Fluid Machinery
Course unit content
Boiler. Impeller pumps. Leak-free pumps. Positive displacement pumps. Positive displacement compressors. Jet pumps. Refrigeretion plants.
Full programme
Boiler: typology, efficiency.
Impeller pumps: characteristic curve; cavitation; NPSH.
Leak-free pumps. Positive displacement pumps. Positive displacement compressors.
Jet pumps: theory of operation; performance.
Refrigeretion plants; cooling agents; vapour compression refrigeration plants; Absorption refrigeration plants.
Bibliography
S. Sandrolini – Generatori di vapore – Pitagora Bologna
Appunti del docente relativi alla parte 2
G. Morandi –Macchine ed apparecchiature a vapore e frigorifere – Patron, Bologna
G.Vetter – Leak-free pumps and compressors – Oxford Elsevier
J. Davidson - Process pump selection – Bury St. Edmund, Professional Eng. Pub.
Teaching methods
Lectures. Exercises.
Assessment methods and criteria
Oral test.
Other information
Some numerical exercises are presented.Lectures attendance is highly recommended