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Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors. While a turbine transfers energy from a fluid to a rotor, a compressor transfers energy from a rotor to a fluid. [1] [2] It is an important application of fluid mechanics. [3]
Turbomachinery Flow Physics and Dynamic Performance by Meinhard Schobeiril; Torsional Vibration of Turbo-Machinery by Duncan Walker; Turbomachinery Performance Analysis by R. I. Lewis; Fluid Machinery: Performance, Analysis, and Design by Terry Wright; Fluid Mechanics and Thermodynamics of Turbomachinery by S L Dixon and C.A Hall
A consequence of Newton's second law of mechanics is the conservation of the angular momentum (or the “moment of momentum”) which is fundamental to all turbomachines. Accordingly, the change of the angular momentum is equal to the sum of the external moments.
In turbomachinery, the slip factor is a measure of the fluid slip in the impeller of a compressor or a turbine, mostly a centrifugal machine. Fluid slip is the deviation in the angle at which the fluid leaves the impeller from the impeller's blade/vane angle.
Download as PDF; Printable version; ... Turbomachinery describes machines that transfer energy between a rotor and a fluid.
If all fluid velocities at corresponding points within the turbomachine are in the same direction and proportional to the blade speed, then the operating condition of a turbomachine at two different rotational speeds will be dynamically similar. If two points, each on dissimilar head-flow characteristics curve, represent similar dynamic ...
Specific speed N s, is used to characterize turbomachinery speed. [1] Common commercial and industrial practices use dimensioned versions which are of equal utility. Specific speed is most commonly used in pump applications to define the suction specific speed —a quasi non-dimensional number that categorizes pump impellers as to their type and proportions.
In turbomachinery, a velocity triangle or a velocity diagram is a triangle representing the various components of velocities of the working fluid in a turbomachine.Velocity triangles may be drawn for both the inlet and outlet sections of any turbomachine.