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RISA Contribution to the Theoretical and Experimental Examination of the Flow Through Plane Supersonic Deceleration Cascades and Supersonic Compressor Rotors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The results of the experimental investigations of plane supersonic deceleration cascades (tandem cascades) conducted in recent years at the Institut für Strahlantriebe und Turboarbeitsmaschinen der ...
On the Evaluation of Reynolds Number and Relative Surface Roughness Effects on Centrifugal Compressor Performance Based on Systematic Experimental Investigations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper summarizes the results of systematic investigations into the Reynolds number effects. It is based on performance map measurements carried out on a compressor test rig which was ...
Design and Flow Field Calculations for Transonic and Supersonic Radial Inflow Turbine Guide Vanes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The design of radial inflow turbine guide vanes depends very much on the discharge conditions desired, especially if the choking mass flow is reached. Because of the choking mass flow condition ...
On the Stability of a Differential Equation With Application to Parametrically Excited Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stability of the equation z̈ + (Δ + ε cos t)−m z = 0, where m is a positive integer, is studied by using Floquet theory and perturbations. The results are confirmed by a digital ...
Improvements in Performance Characteristics of Single-Stage and Multistage Centrifugal Compressors by Simultaneous Adjustments of Inlet Guide Vanes and Diffuser Vanes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nowadays, multistage geared centrifugal compressors are most often equipped with three-dimensional impellers and adjustable inlet guide vane cascades, at least upstream of the first stage. Optimum ...
Influence of the Reynolds Number on the Performance of Centrifugal Compressors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work is the result of an investigation based on numerous test data supplied by major compressor manufacturers in USA and in Europe. The main objective of the work is to propose improved ...