Water jet flow characteristics in double-side wall confined space is investigated, two-dimensional particle image velocimetry is performed on confined plane and unconfined plane, and using Proper orthogonal decomposit...
Water jet flow characteristics in double-side wall confined space is investigated, two-dimensional particle image velocimetry is performed on confined plane and unconfined plane, and using Proper orthogonal decomposition to perform dimensionality analysis, extract large-scale coherent structure and reconstruct flow field. Results illustrate that velocity and vorticity fluctuation distribution, mainly reflected in low-order modes, is seriously affected on account of a symmetrical double-wall existence; Reconstruction instantaneous velocity field by the first m modes saving 70% of turbulent kinetic energy, indicating that reconstructed velocity fluctuation fields can truly reflect original fields.
Based on the mechanism of low-temperature multi-effect distillation combining with super-critical water oxidation (LT-MED&SCWO), a system that disposes phenol wastewater is introduced. Establishing a process of fo...
Based on the mechanism of low-temperature multi-effect distillation combining with super-critical water oxidation (LT-MED&SCWO), a system that disposes phenol wastewater is introduced. Establishing a process of four-effect forward feed LT-MED concentrated phenol waste-water and a SCWO degradation of phenol by Aspen Plus software is essential to compare the effects of in-feed phenol mass concentration, system concentration ratio on phenol concentration ratio and mixing temperature of reaction required for degradation. The study shows that with the increase of in-feed phenol mass concentration, phenol concentration ratio keeps almost constant, 97.7%, but, preheating temperature of the concentrated water decreases when the final product mass phenol concentration is less than 0.5ppm; when system concentration ratio increases, phenol concentration ratio decreases from 99.5%to 96.7%and preheating temperature of the concentrated water also decreases when the final product mass phenol concentration is less than 0.5ppm.
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