粘性流体和幂律流体泵头退化预测方法的实验比较

IF 1.6 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
P. Csizmadia, S. Till, Dávid Lajos Lukácsi
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引用次数: 0

摘要

虽然已知有几种方法可以计算高粘性和非牛顿流体的泵性能,但研究尚未确定这些预测的所有关键参数。目前尚不清楚这些参数如何取决于泵的基因组和输送的流体流变学,这在化学工业中变化很大。在我们的研究中,实验比较了径向离心泵在粘性牛顿甘油溶液和非牛顿幂律流体中的性能曲线。用ANSI/HI和Ofuchi方法也假定了泵的扬程退化,这是明显的,通常用于粘性牛顿流体,但不适用于非牛顿流体。根据两种模型的实验数据估计了所需的常数,并将Ofuchi方法适用于幂律流体。基于我们的研究结果,Ofuchi方法被证明适用于幂律流体的水头退化预测。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experiment-based Comparison of Prediction Methods for Pump Head Degradation with Viscous and Power-law Fluids
Although several methods are known to calculate pump performance with highly viscous and non-Newtonian fluids, research has not yet determined all the key parame - ters of these predictions. It is unclear how these parameters depend on the pump geome - try and the delivered fluid rheology, which can vary widely in the chemical industry. In our study, the performance curves of a radial centrifugal pump with a viscous Newtonian glycerol solution and a non-Newtonian power-law fluid were experimentally compared. The head degradation of the pump was also presumed with the ANSI/HI and the Ofuchi methods, which are evident and commonly used for viscous Newtonian fluids, but not for non-Newtonians. The required constants were estimated based on experimental data for both models, and the Ofuchi method was adapted to power-law fluid. Based on our results, the Ofuchi method proved to apply for head degradation prediction with the ex - amined power-law fluid.
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来源期刊
Chemical and Biochemical Engineering Quarterly
Chemical and Biochemical Engineering Quarterly 工程技术-工程:化工
CiteScore
2.70
自引率
6.70%
发文量
23
审稿时长
>12 weeks
期刊介绍: The journal provides an international forum for presentation of original papers, reviews and discussions on the latest developments in chemical and biochemical engineering. The scope of the journal is wide and no limitation except relevance to chemical and biochemical engineering is required. The criteria for the acceptance of papers are originality, quality of work and clarity of style. All papers are subject to reviewing by at least two international experts (blind peer review). The language of the journal is English. Final versions of the manuscripts are subject to metric (SI units and IUPAC recommendations) and English language reviewing. Editor and Editorial board make the final decision about acceptance of a manuscript. Page charges are excluded.
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