(7) Compressors. The compressor is designed to provide the combustion
chamber with a maximum amount of highpressure air that is heated and expanded
through the turbines. The amount of energy released from the heated airmass is
proportional directly to the mass of air consumed. This is the major reason
why the compressor is one of the most important components in the gas turbine.
A poorly designed compressor will not provide the combustion chamber with the
proper amount of highpressure air, and will result in a lack of power. Modern
compressors are able to achieve compression ratios of approximately 15: 1 and
efficiencies approaching 90 percent. Two common types of compressors are
discussed below.
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OD0610
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