Learning objectives
Knowledge and understanding:
Development of the ability to design and select the fluid machinery used in food industries.
Applying knowledge and understanding:
The student should be able to set the design of fluid machinery
Making judgments:
At the end of the course, the student should be able to evaluate, with critical mind, the best solutions in the field of fluid machinery used in the food industry.
Communication skills:
The student should be able to clearly present the knowledge acquired by the course.
Course unit content
The purpose of the course is to present a review of the main fluid machines which found applications in the food industries.
Full programme
Analysis criteria for fluid machinery: St. Venant equation, Hugoniot equation, orifice equation, bulk modulus, high temperature dissociation, adiabatic temperature of combustion products, flame structure, similarity in the study of fluid machinery.
Reciprocating compressors, clearance volume, staging, intercooling; rotary (displacement) compressors, internal and backflow compression; reciprocating and rotary pumps, pressure ripples and dampers. Centrifugal pumps, theoretical and actual characteristics, radial thrust, multistage pumps, cavitation, priming, peripheral pumps, series and parallel. Turbo-compressors, stall, surge, multistage compressor characteristic, operating field, choking, rotating stall. Free leaks pumps; ejector.
Fundamentals of thermal plants, cycles and pseudo-cycles, 2nd law, quality number for direct cycles, fuel types and their properties;
Bibliography
Testi - Textbooks
Caputo C. - Gli impianti convertitori di energia - Masson, Milano
Caputo C. - Le macchine volumetriche - Masson, Milano
Caputo C. - Le turbomacchine - Masson, Milano
Dossena, Ferrari, Gaetani, Montenegro, Onorati, Persico - Macchine a fluido - Città studi Edizioni
Testi di approfondimento - To learn more:
Acton O. & Caputo C. - Collana di Macchine a fluido, 4 voll.- UTET, Torino
Haywood R.W. - Analysis of engineering cycles 3rd ed. - Pergamon press, Oxford
G.Vetter – Leak-free pumps and compressors – Oxford Elsevier
J. Davidson - Process pump selection – Bury St. Edmund, Professional Eng. Pub.
Other information
Some numerical exercises are presented.Lectures attendance is highly recommended
