Compressors, Gas Turbines and Jet Engines
Water gas is produced by

Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast
Carbonisation of coal
Passing air and a large amount of steam over waste coal at about 65°C
Passing steam over incandescent coke

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Compressors, Gas Turbines and Jet Engines
The degree of reaction in an axial flow compressor is defined as the ratio of static enthalpy rise in the

Stator to static enthalpy rise in the rotor
Stator to static enthalpy rise in the stage
Rotor to static enthalpy rise in the stator
Rotor to static enthalpy rise in the stage

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