Complete Characteristic Circle Diagrams for Turbomachinery

Author: Swanson, Wilbur Milton

Year: 1951

Degree: Engineer's thesis

Advisor: Hollander, Aladar

Committee Member: Unknown, Unknown

Option: Mechanical Engineering

DOI: 10.7907/MVKX-4X51

Abstract

Complete circle characteristics of per cent head and per cent torque plotted parametrically with per cent capacity as ordinate and per cent speed as abscissa are generally derived for an ideal case.

The experimental circle characteristics are presented as determined for an axial flow and mixed flow pump of representative commercial practice and a comparison of the three basic types of turbomachine; axial flow, mixed flow and radial flow (or centrifugal) is made. A new method of plotting power ratio radially on the same axes is also presented and compared for the same three units.

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