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首页> 外文期刊>Journal of Engineering & Applied Sciences >Evaluation of One Factor at A Time (OFAT) Technique in Viscosity Modeling of Polymer Solution
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Evaluation of One Factor at A Time (OFAT) Technique in Viscosity Modeling of Polymer Solution

机译:聚合物溶液粘度建模时(OFAT)技术评价一个因素

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Viscosity has been identified as the main solution property in polymer flooding applications. Currently UTCHEM simulator is claimed to be more robust than CMG-STARS and ECLIPSE, since it takes into account salinity and hardness effects on polymer viscosity other than polymer concentration and shear rate effects. However, UTCHEM model was developed using One-Factor-at-A-Time (OFAT) approach. The major disadvantage of the OFAT strategy is that it fails to consider any possible interactions between the factors. In this research, it has been showed that interactions between factors in polymer studies are very common and they lead to producing poor results by OFAT strategy and consequently by the viscosity model. This study evaluates the viscosity model of UTCHEM simulator for predicting bulk viscometric data. UTCHEM Model was compared to experimental data to evaluate its predictive accuracy. Although, UTCHEM Model accurately predicted polymer viscosity at zero shear rate, it gave inaccurate results at increased shear rate. Results showed that there exist interaction among the various factors involved in polymer studies. Consequently, Design Of Experiment (DOE) is proposed for improved model for predicting polymer viscosity.
机译:粘度已被鉴定为聚合物洪水应用中的主要溶液性能。目前,UTCHEM模拟器被要求比CMG-恒星和日食更强大,因为它考虑了除聚合物浓度和剪切速率效应之外的聚合物粘度的盐度和硬度。然而,UTChem模型是使用一个因素 - AT-AT-AT-ATAT的方法开发的。 OFAT策略的主要缺点是,它未能考虑因素之间的任何可能的相互作用。在这项研究中,已经表明聚合物研究中因子之间的相互作用是非常普遍的,并且它们导致通过粘度模型产生缺乏策略的差的结果。该研究评估了UTCHEM模拟器的粘度模型,用于预测批量粘度数据。将UTCHEM模型与实验数据进行比较,以评估其预测性准确性。尽管UTCHEM模型以零剪切速率精确地预测聚合物粘度,但它以增加的剪切速率产生不准确的结果。结果表明,聚合物研究中涉及的各种因素之间存在相互作用。因此,提出了实验(DOE)的设计,以改进预测聚合物粘度的模型。

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