废食用油和生物柴油粘度的相关性和预测
Saman Khalighi1, Abel G M Ferreira1, Jaime B Santos2
1Department of Chemical Engineering, University of Coimbra, CERES, Polo II, Rua Silvio Lima, Coimbra 3030-970, Portugal.
ACS omega
|July 14, 2025
概括
废食用油 (WCO) 和生物柴油 (WCB) 的粘度在不同温度下测量. 沃格尔-富尔彻-塔曼和莫罗方程准确地描述了数据,超过了阿雷尼乌斯方程.
科学领域:
- * 燃料科学与工程 * 燃料科学与工程
- * 三角学和滑技术
背景情况:
- *准确的粘度预测对于柴油发动机燃料系统至关重要.
- *废食用油 (WCO) 和其生物柴油 (WCB) 是可持续的替代燃料.
- * 了解风湿行为是优化燃料系统的关键.
研究的目的:
- * 测量和关联WCO和WCB的粘度.
- * 评估不同粘度-温度模型的准确性.
- * 为了比较WCO和WCB粘度的预测方法.
主要方法:
- *用于粘度测量 (298373 K) 的旋转布鲁克菲尔德粘度计.
- * 实验数据的相关性使用阿雷尼乌斯,Vogel-Fulcher-Tammann和莫罗方程.
- *使用Zong,Ceriani和Lewis-Squires方法预测粘度.
主要成果:
- * 沃格尔-富尔彻-塔曼和莫罗方程显示高精度 (1.4% AARD).
- *阿雷尼乌斯方程的偏差较高 (WCO为4.6%,WCB为3.6%).
- * Ceriani 和 Lewis-Squires 方法分别为油 (8% OARD) 和生物柴油 (3% OARD) 提供了可靠的预测.
- *来自各种来源的WCO显示出类似的粘度-温度行为.
结论:
- * 沃格尔-富尔彻-塔曼和莫罗方程适用于WCO和WCB粘度建模.
- * 预测方法可提供可靠的燃料粘度估计.
- * WCO 的粘度行为在不同的源中是一致的.
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