Gas Turbine Handbook Principles and Practice - 4th edition

In discussions about the 3rd edition and the microturbine it was apparent that additional information was needed on the subject of compressors, specifically the centrifugal compressor. This is primarily due to the fact that microturbine designs rely heavily on the centrifugal compressor instead of the axial compressor. The microturbine designs are, in many aspects, similar to the early flight engines.

 Early flight engine pioneers used the centrifugal design because tooling and manufacturing capability was not sufficiently developed to produce the axial components. The approach of the microturbine designer is to minimize cost (through use of existing hardware and higher rotor speeds). That this is accomplished is apparent when we see that microturbines utilize existing gas turbines and turbocharger components. These components are the turbo-expander and the centrifugal compressor.

The 4th edition provides detail information on the centrifugal compressor similar to that provided on the axial compressor. Considerably more sketches (or compressor maps as they are referred to in this text) are employed to give the reader a better understanding of the compression process and the parameters that impact that process. While knowledge of thermodynamics provides the foundation for understanding compression theory it is not essential to the appreciation of how various parameters influence the compression process.

The 4th edition also includes recent pictures of the components used on inlet fogger systems (Chapter 8, Gas Turbine Inlet Treatment) in a power augmentation application.

Gas Turbine Handbook Principles and Practice - 4th edition
Tony Giampaolo
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