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Teacher
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Buzzi Fulvio Paolo
(syllabus)
PROGRAM: Heat exchangers. Compression and expansion transformations. Introduction and classification of machines. Energy sources, requirements and production. Gas turbine plants - Elementary circuit and Joule cycle. Efficiency and work in ideal and limit cycles. The real cycle. Power regulation. Closed circuit plants. Thermal regeneration. Intercooling and Post-combustion. Aeronautical applications of gas turbines. Steam engine plants - Elementary circuit and Hirn cycle. Steam generators and heat exchange equipment. Conditions at the condenser. Conditions at the steam generator. Reheating. Thermal regeneration. Types of regenerators. Combined plants: combination of different machines in the same plant; combination of different machines; combined gas-steam plants. Compression refrigeration machines: reverse Rankine cycle, operating diagram, working parameters, the domestic refrigerator, refrigerant fluids, heat pumps Absorption refrigeration machines: operating principles and functional diagram, P-T-x diagrams of solutions, absorption heat pumps. Incompressible flow turbines: Classification, similarity criteria and fields of application. Pelton turbine, Kaplan turbine, Francis turbine. Power regulation. Cavitation. Compressible flow turbines: Classification, similarity criteria and fields of application. Impulse turbines. Reaction turbines, and variable reaction rate (blade twisting). Structure of multistage turbines. Calculation of seals in compressible flow turbines. Power regulation.
(reference books)
1) V. Dossena, G. Ferrari, P. Gaetani, G. Montenegro, A. Onorati, G. Persico, MACCHINE A FLUIDO, CittàStudiEdizioni 2) S. Larry Dixon, Cesare Hall Fluid Mechanics and Thermodynamics of Turbomachinery 3) C. Caputo, Gli impianti convertitori di energia, Ed. Masson
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