Preliminary Experience With an Expert System Providing Initial Centrifugal Compressor Sizing for Performance Prediction and Analysis

Schoonmaker, Peter M.

doi:10.1115/91-gt-028

Cited by 1 publication

(2 citation statements)

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“…The diffusion and inlet incidence influence the stall margin of the compressor. Traditionally, impeller inlet incidence is set to near zero at design condition [18,19]. Modern impeller designs need not only to consider the maximum efficiency at design point but also to consider the manufacturing cost and off-design performance for the whole RG.…”

Section: Impeller Aerodynamicsmentioning

confidence: 99%

“…Before aerodynamic designers determine the basic impeller geometry, the rotational speed of the impeller needs to be selected. If there are no special requirements for rotational speed, normally the rotational speed is based on the Balje's charts [18,19] by using optimal specific speed. Although Balje's charts are not very accurate tools, they are sufficient enough to provide the initial estimate for impeller geometries.…”

Section: Impeller Geometrymentioning

confidence: 99%

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Design Experience and Considerations for Centrifugal Compressor Development

2007

Proceedings of the Institution of Mechanical Engineers, Part G:

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The energy products were challenged to develop new machines in a better, faster, and cheaper way. Although computational fluid dynamics tools are widely used in centrifugal compressor design and optimization process; three-dimensional viscous turbulent simulations for centrifugal compressor systems are still a challenge and very time consuming. The experiencebased design process still plays an important role for new compressor developments.Basic centrifugal compressor design theories can be found in textbooks and literatures; however, there is very limited quantity information, which can be used for guiding industry centrifugal compressor designs. In this paper, author presented his view of important aspects of centrifugal compressor designs. The purpose of this paper is to provide an opportunity to accelerate industrial compressor design processes by using experience database. Fig. 18 Interference diagram for straight and three-dimensional design with same blade thickness distributions JAERO103

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Section: Impeller Aerodynamicsmentioning

confidence: 99%

Section: Impeller Geometrymentioning

confidence: 99%