Fast algorithm for modelling fluid flow and heat transfer in rotomoulding

Anton lanakiev; Jo Darkwa

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Fast algorithm for modelling fluid flow and heat transfer in rotomoulding

机译：快速建模滚塑中流体流动和传热的算法

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This paper investigates the application of a fast algorithm technique to fluid flow and heat transfer modelling for the rotomoulding process. Transient heat transfer and fluid flow analysis in rotomoulding are computationally very intensive and time consuming with the bulk of the calculation time spent on modelling the fluid flow outside the mould. The elimination of this would speed the calculations significantly. Essentially the connection between the hot fluid and the solid mould in a convection process is the heat transfer coefficient. By varying heat transfer coefficients for the nodes of the mould during one rotation, the fluid flow was able to be simulated. The process was repeated several times for a number of rotations and the results were found to be fairly close to those of the single rotation. The method can be very useful in simulation of large and complex rotomoulded products like rainwater tanks.

机译：本文研究了快速算法技术在滚塑过程中的流体流动和传热建模中的应用。滚塑中的瞬态热传递和流体流动分析在计算上非常耗时且耗时，并且将大量的计算时间用于对模具外部的流体流动进行建模。消除这种情况将大大加快计算速度。在对流过程中，热流体与固体模具之间的连接基本上就是传热系数。通过在一转过程中改变模具各节点的传热系数，就可以模拟流体流动。将该过程重复多次旋转多次，发现结果与单次旋转的结果相当接近。该方法在模拟大型和复杂的滚塑产品（如雨水箱）中非常有用。

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来源
《International journal of design engineering》 |2012年第2期|142-157|共16页
作者
Anton lanakiev; Jo Darkwa;
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作者单位

School of ADBE,Nottingham Trent University,Burton Street, Nottingham, NG1 4BU, UK;

Centre for Sustainable Energy Technologies (CSET), University of Nottingham Ningbo, 199 Taikang East Road, Ningbo 315100, China;

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正文语种 eng
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关键词
heat transfer coefficient; fluid flow; rotomoulding;

机译：传热系数流体流量滚塑;

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Fast algorithm for modelling fluid flow and heat transfer in rotomoulding

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