期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 41, 期 9, 页码 1783-1792出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201700632
关键词
Arc-shaped vortex finder; Computational fluid dynamics; Hydrocyclones; Short-circuit flow
资金
- National Natural Science Foundation of China [21276145]
- Natural Science Foundation of Shandong Province, China [ZR2016EEM37]
- Shandong Provincial Key Research and Development Program, China [2016GSF117013, 2017GSF216004]
Several new arc-shaped vortex finder structures were developed to restrain the circulation flow and reduce short-circuit flow. These problems were investigated by conducting laboratory experiments and using a computational fluid dynamics numerical simulation method. To verify the accuracy of the numerical simulation, a typeA vortex finder was employed to perform a particle image velocimetry test under identical working conditions. Then, these new structures were compared with a typeO vortex finder to reveal the differences in pressure field, velocity field, and separation performance. The arc-shaped vortex finder was able to restrain the circulation flow and reduce the maximum pressure drop at the outer wall of the vortex finder.
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