Flow properties of biodiesel: correlation between TMDSC and dynamic viscosity

被引：4

作者：

Damasceno, S. S. ^{[1
]}

Rosenhaim, R. ^{[2
]}

Gondim, A. D. ^{[3
]}

Tavares, M. L. A. ^{[1
]}

Queiroz, N. ^{[1
]}

Santos, I. M. G. ^{[1
]}

Souza, A. G. ^{[1
]}

Santos, N. A. ^{[4
]}

机构：

[1] Univ Fed Paraiba, CCEN, Dept Quim, BR-58059900 Joao Pessoa, Paraiba, Brazil

[2] Univ Fed Paraiba, Dept Engn Quim, CT, BR-58059900 Joao Pessoa, Paraiba, Brazil

[3] Univ Fed Rio Grande do Norte, Inst Quim, BR-59078970 Natal, RN, Brazil

[4] Univ Fed Paraiba, CTDR, Dept Tecnol Sucroalcooleira, BR-58059900 Joao Pessoa, Paraiba, Brazil

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2013年 / 114卷 / 03期

关键词：

Flow properties; TM-DSC; Dynamic viscosity; LOW-TEMPERATURE; BLENDS; PERFORMANCE; DIESEL; POINT;

D O I：

10.1007/s10973-013-3146-8

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Sustainable and renewable energy has become more attractive due to its environmental benefits. Among these alternative sources, biodegradable and low emission biodiesels have been gaining attention as compared to diesel. However, their performance at low temperatures affects their commercial viability, because of engine performance problems, and when starting. Cold Filter Plugging Point, Pour Point, and Cloud Point are employed to predict the limits of operability for biodiesel. However, dynamic viscosity and TM-DSC methods are also useful to assess these properties and can be correlated. Viscosity curves were obtained, and TM-DSC revealed that the start temperature (transition liquid-solid) exhibits an increase in flow resistance for soybean, colza, sunflower, corn, and babassu oil biodiesels. The nucleation processes which occur during cooling are unique for each type of biodiesel due to the presence of different ester compositions and the values for viscosity and flow at low temperatures varied accordingly.

引用

页码：1239 / 1243

页数：5

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