Average Shear Rate Estimation in Conventional Stirred-Tank Bioreactor Using Non-Newtonian Fluid: An Experimental Approach

被引：1

作者：

Rewaria, Vinay ^{[1
]}

Mathi, Pardhasaradhi ^{[2
]}

Botlagunta, Mahendran ^{[1
,3
]}

机构：

[1] KLEF Univ, Koneru Lakshmaiah Educ Fdn, Dept Biotechnol, Biomed Res Lab, Vaddeswaram 522502, Andhra Pradesh, India

[2] Reliance Life Sci, Gene Therapy Dept, Upstream Proc Dev Lab, Navi Mumbai 400701, Maharashtra, India

[3] VIT Bhopal Univ, Sch Bioengn, Bhopal 466114, Madhya Pradesh, India

来源：

IRANIAN JOURNAL OF CHEMISTRY & CHEMICAL ENGINEERING-INTERNATIONAL ENGLISH EDITION | 2023年 / 42卷 / 01期

关键词：

Average shear rate; Bioreactor; Non-Newtonian fluid; Rheology; DISSOLVED-OXYGEN; ACID PRODUCTION; AGITATION; IMPELLERS; REACTORS;

D O I：

10.30492/IJCCE.2022.543342.5025

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An experimental approach for the estimation of average shear rate (gamma(av)) in stirred tank bioreactor has been proposed for the turbulent flow regime. Based on the proposed methodology, the correlation for the estimation of gamma(av)was obtained as a function of agitation speed (N), superficial gas velocity (Vs) and the rheological properties of the non-Newtonian fluids. The gamma(av) estimated by the present method was found to be within the range of values calculated by correlations available in the literature. The gamma(av) increased with the increase of agitation and sparging in all the conditions tested. The correlation derived in the present work helps in estimation of estimation of gamma(av) as a function of bioreactor geometry along with physical conditions (N and Vs), and rheological properties (n and K) of non-Newtonian fluid in commercially available stirred tank bioreactor.

引用

页码：361 / 368

页数：8

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