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Accession number:


20142817932508






Title:

Thermal conductivity of transformer oil from 253 k to 363 K






Authors:

Wang, H.J.1 ; Ma, Sh. J.1; Yu, H.M.1; Zhang, Q.1; Guo, Ch. M.1; Wang, P.1





Author affiliation:

1PetroChina Lanzhou Lubricating Oil RandD Research Institute, Karamay, China






Corresponding author:

Wang, H.J. (wanghuijuan_rhy@petrochina.com.cn)






Source title:

Petroleum Science and Technology






Abbreviated source title:

Petrol Sci Technol






Volume:

32






Issue:

17






Issue date:

September 2, 2014






Publication year:

2014






Pages:

2143-2150






Language:

English






ISSN:

10916466






E-ISSN:

15322459






CODEN:

PSTEFV






Document type:

Journal article (JA)






Publisher:

Taylor and Francis Inc., 325 Chestnut St, Suite 800, Philadelphia, PA 19106, United States






Abstract:

Transport properties of transformer oil are important parameters for electric equipment designing. In this work, thermal conductivity was measured from 253 K to 363 K by single transient hot-wire technique. And influence of transformer oil's thermal conductivity was investigated. It is found that the thermal conductivity decreases linearly with increasing temperature. When different oils are mixed together, the thermal conductivity shows additive property. For different oils with about the same viscosities, their thermal conductivities are directly related to alkane and aromatic content, while for oils with the same oil source, oil refinery process, similar carbon type, and different boiling range, the thermal conductivity increases with its viscosity. © Taylor & Francis Group, LLC.






Number of references:

9






Main heading:

Thermal conductivity






Controlled terms:

Electric equipment  -  Electric properties  -  Insulating oil  -  Oil filled transformers  -  Oil wells  -  Viscosity  -  Wire






Uncontrolled terms:

Aromatic contents  -  Boiling range  -  Hydrocarbon compositions  -  Increasing temperatures  -  Oil refineries  -  Oil sources  -  Transient hot wire technique  -  Transient hot-wire






Classification code:

413.1 Electric Insulating Materials -  512.1.1 Oil Fields -  535.2 Metal Forming -  631.1 Fluid Flow, General -  641.2 Heat Transfer -  701.1 Electricity: Basic Concepts and Phenomena -  704.2 Electric Equipment





DOI:

10.1080/10916466.2012.757235






Database:

Compendex






Compilation and indexing terms, © 2014 Elsevier Inc
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