1947-01-01

Mean Specific Heats for Working Media of Gas Turbine Powerplants 470236

DR. HALL presents a chart of arithmetic and logarithmic mean specific heats at constant pressure for dry air in the range from 400 to 5000 R and a series of charts giving specific-heat correction factors which compensate for the presence of water vapor, fuel vapor, and the products of combustion of either lean or rich mixtures.
On the specific-heat chart are plotted lines of constant pressure ratio and lines of constant enthalpy change. The chart is designed to permit accurate calculation of heat and work in steady-flow processes without reference to entropy, enthalpy, and internal energy.
Correction factors to be applied to the gas constant are also included in this paper.

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