IMECH-IR  > 力学所知识产出(1956-2008)
Viscoelastic Properties of Waxy Crude Oil
Zhang F(张 帆); Chen GQ(陈国群); Zhang, F (reprint author), China Univ Petroleum Beijing, Beijing Key Lab Urban Oil & Gas Distribut Technol, Beijing 102249, Peoples R China.
Source PublicationJOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY
2007
Volume14Pages:445-448
ISSN1005-9784
AbstractWaxy crude oil usually represents viscoelastic property when temperature is below its wax appearance temperature (WAT). The more the waxy crystals precipitated in crude oil, the stronger the structure and the viscoclasticity formed by waxy crystals. As the structure of waxy crystals relates to viscoelasticity that can be described by the storage modulus G' and loss modulus G '', the small amplitude oscillation (SAOS) method was introduced to determine these moduli. This shows that the temperature at which storage modulus equals loss modulus is just the pour point of waxy crude oil. The structure intensity or yield stress of waxy crude oil can be determined by tau'(y)=G'/50. In this way all slid can be avoided. It also shows that 60 min. Will at least be taken for waxy crystals to build up the structures means that waxy crude on sample should be stayed still at test temperature in the sensor of rheometer more man 60 min. before the viscoelasticity or yield stress of waxy crude is tested. That is structure building time.
KeywordWaxy Crude Viscoelasticity Structure Strength Small Amplitude Oscillation(Saos)
DOI10.1007/s11771-007-0303-x
Indexed BySCI
Language英语
WOS IDWOS:000248915300104
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58451
Collection力学所知识产出(1956-2008)
Corresponding AuthorZhang, F (reprint author), China Univ Petroleum Beijing, Beijing Key Lab Urban Oil & Gas Distribut Technol, Beijing 102249, Peoples R China.
Recommended Citation
GB/T 7714
Zhang F,Chen GQ,Zhang, F . Viscoelastic Properties of Waxy Crude Oil[J]. JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY,2007,14:445-448.
APA 张 帆,陈国群,&Zhang, F .(2007).Viscoelastic Properties of Waxy Crude Oil.JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY,14,445-448.
MLA 张 帆,et al."Viscoelastic Properties of Waxy Crude Oil".JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY 14(2007):445-448.
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