The first part of the course introduces important concepts of fluid dynamics which forms the He teaches Incompressible Fluid Flow and Turbomachines. To understand how incompressible fluid (pump) and compressible fluid Finally, the course examines turbomachine similarity and then concludes with a study. The chapter discusses the incompressible and compressible fluid analysis. In case of incompressible fluid analysis, the performance of a turbo machine can be .
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Calculation of the performance of an array of a flat blade profiles.
Two-dimensional fluid dynamics of turbomachinery. Profiles with cambered line. Termodinamica e fluidodinamica delle turbomacchine, Pitagora Editrice, Bologna,pp.
Le turbomacchine motrici e operatrici, Pitagora Editrice, Bologna, pp.
Turbomachines M / — University of Bologna
Nozzles and diffusers Equations of the mono-dimensional flow, stationary, compressible of a perfect gas in a duct. Potential of elementary flows. Conformal rurbomachine for the study of airfoils. Flow around the circle.
Profiles with finite thickness. Method of conformal mapping to study airfoils array.
Forces acting on the array. Flat and cambered profiles. My e-mail for students My e-mail for staff Close.
Fluid dynamics and turbomachines – Course
Review of vector calculus. Irrotational fields, Velocity potential. Flow simulation by means of CFD codes. Study of rows of airfoils with the method of singularities. Finally a CDF simulation of the machine allows to obtain a feedback about the techniques adopted.
See the website of Giovanni Naldi. Calls on the functions of complex variables. Moreover mono and two-dimensional approach are, described with development and application of aerodynamic techniques addressed to the obtain the blade geometry of the most important axial and radial turbomachines operating with both incompressible and compressible fluid.
Search Course unit catalogue. Equations of the mono-dimensional flow, stationary, compressible of a perfect gas in a duct.
Fluid dynamics and turbomachines
Presentation of a home-work concerning a turbomachin describing the preliminary design stages, the generation of geometry and the simulation of performance by CFD analysis. Equations of motion for the fixed and mobile observers. The student masters the basic methodologies to address the thermal and fluid design of turbomachinery. Rotating Stall and pumping. Theory of isolated airfoils. Sandrolini Sandro, Naldi Giovanni,Macchine 2: Energy losses of the of airfoils arrays.
Teaching Mode Traditional lectures. Automatic design of axial turbomachinery diagonal and centrifugal flow by computer codes. Thermodynamic analysis of the stages of axial incoompressible centrifugal turbomachines.
Profiles with logarithmic camber line and Jukowskij profiles.
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Course Timetable from Sep 19, to Dec 17, Dimensionless parameters of the turbomachines operating with compressible and incompressible fluid. Recovery and counter-recovery factors. Real, reversible and theoretical work. Sources and wells, airfoils with finite thickness.
Performances of nozzles and diffusers. Hydraulic, polytropic and isentropic efficiency. Gli Impianti turbomahcine termici e i loro componenti, Pitagora Editrice, Bologna,pp. Course contents Classification of turbomachinery.
Isentropic flow through a duct of variable area. Sandrolini Sandro, Naldi Giovanni,Macchine 1: Give now Alma orienta Job placement. Three-dimensional flow in turbomachinery. Sandrolini Sandro, Naldi Giovanni,Macchine 3: Method of singularities, the Kutta condition. Axisymmetric orthogonal coordinates and flows. Free vortex, constant angle, rigid and forced vortex blade design.