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Optimization of an Oscillatory Flow Crystallizer Based on Heat Transfer and Supersaturation Distribution
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-02-16 , DOI: 10.1002/ceat.202100485 Shi-jun Lian 1 , Ming-qing Sun 2 , Qi-fan Li 1 , Zhong Lan 1
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2022-02-16 , DOI: 10.1002/ceat.202100485 Shi-jun Lian 1 , Ming-qing Sun 2 , Qi-fan Li 1 , Zhong Lan 1
Affiliation
Taking supersaturation and heat transfer rate as evaluation indexes, two typical internal geometries of an oscillatory flow crystallizer (OFC) with circular-orifice baffles (OFC-COB) and smooth periodic constrictions (OFC-SPC) were studied by numerical simulation. The results indicated that OFC-SPC could provide a relatively high heat transfer rate, supersaturation, and similar or lower power density consumption, as well as a uniform flow field distribution without vortex dead zone. Further, a method to prejudge the supersaturation in oscillatory flow crystallizer is proposed, which would be good guidance to determining the operating parameters.
中文翻译:
基于传热和过饱和分布的振荡流结晶器优化
以过饱和度和传热速率为评价指标,通过数值模拟研究了圆孔挡板(OFC-COB)和光滑周期收缩(OFC-SPC)两种典型的振荡流结晶器(OFC)内部几何形状。结果表明,OFC-SPC可以提供相对较高的传热率、过饱和度和相似或更低的功率密度消耗,以及没有涡流死区的均匀流场分布。此外,还提出了一种预判振荡流结晶器过饱和度的方法,为确定运行参数提供了很好的指导。
更新日期:2022-02-16
中文翻译:
基于传热和过饱和分布的振荡流结晶器优化
以过饱和度和传热速率为评价指标,通过数值模拟研究了圆孔挡板(OFC-COB)和光滑周期收缩(OFC-SPC)两种典型的振荡流结晶器(OFC)内部几何形状。结果表明,OFC-SPC可以提供相对较高的传热率、过饱和度和相似或更低的功率密度消耗,以及没有涡流死区的均匀流场分布。此外,还提出了一种预判振荡流结晶器过饱和度的方法,为确定运行参数提供了很好的指导。