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基于灰色模型的原油管道蜡沉积速率预测

Shandong Chemical Industry(2022)

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Abstract
基于灰色模型理论和建模思想,GM(0,N)模型可计算多个影响因素间相互作用的拟合和预测结果,建立GM(0,5)模型并与黄启玉模型进行误差对比分析,对原油管道蜡沉积速率进行预测.拟合出GM(0,5)模型蜡沉积速率平均相对误差为0.8855%,预测出GM(0,5)模型蜡沉积速率平均相对误差为15.0369%,精度都远优于黄启玉模型.对GM(0,5)蜡沉积速率的灰色参数分析,浓度梯度、温度梯度这两个影响因素对蜡沉积速率影响最大.结果表明:在原油管道蜡沉积速率的预测方面,GM(0,5)模型效果更佳.
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