Abstract
Experimental data on the precipitation of dispersed phase from a two-phase air flow on streamlined profiled surfaces have been obtained. The experiments included variation of the diagnostic parameters, such as the gas-dynamic attack angle of profiles; the degree of water overheating upstream of the nozzles, which determined the drop atomization dispersion; and the dispersed phase concentration. Earlier computational models were used to analyze two basic precipitation mechanisms—turbophoresis and inertial. The calculations showed good agreement with the experimental data on drop precipitation intensity and on the thickness of the water films that formed on surfaces. The paper presents recommendations for the use of these results in a complex program to calculate moist compression by gas-turbine unit compressors with an inlet injection of overheated water.
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