A NUMERICAL/EXPERIMENTAL STUDY OF A MULTI-STAGE CENTRIFUGAL COMPRESSOR

Nabil H. Mostafa, Ahmed F. Abdul-gawad, Mohamed S. Emeara

Abstract


Both computational and experimental investigations were utilized to study the flow behavior inside the four-stage centrifugal compressor. Computational study was carried out by the commercial code “CFD-RC”. Experimental work was accomplished by the use of a data acquisition system, advanced sensors and “LabView” interface software. Comparisons between computational and experimental outputs were performed.
The computational code was validated experimentally and numerically. Compressor map was drawn numerically and experimentally. Surge was unsteadily simulated. Surge predicted at mass flow equal to 0.0093 kg/s for 12,000 rpm with full-domain solution. Using the parallel computational technology, by “HPC” program, is recommended for future work

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