Research Papers: Heat and Mass Transfer

Thermal Conductivity of Complex Hydrocarbon Systems at Pressures Up To 1000 MPa

[+] Author and Article Information
Vladimir Kutcherov

KTH Royal Institute of Technology,
Stockholm 11428, Sweden;
Department of Physics,
Gubkin Russian State University of Oil and Gas,
Moscow 119991, Russia
e-mail: vladimir.kutcherov@indek.kth.se

Alexey Chernoutsan, Anton Kolesnikov

Department of Physics,
Gubkin Russian State University of Oil and Gas,
Moscow 119991, Russia

Boris Grigoriev

Moscow Region,
Leninsky District,
Moscow 115583, Russia

1Corresponding author.

Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received June 5, 2015; final manuscript received May 28, 2016; published online June 28, 2016. Assoc. Editor: Ali Khounsary.

J. Heat Transfer 138(11), 112003 (Jun 28, 2016) (4 pages) Paper No: HT-15-1401; doi: 10.1115/1.4033880 History: Received June 05, 2015; Revised May 28, 2016

The thermal conductivity of five samples of crude oil and one sample of gas condensate was measured by the transient hot-wire technique. The measurements were made along isotherms (245, 250, 273, 295, 320, 336, and 373 K) in the pressure range from atmospheric pressure up to 1000 MPa and along isobars (at 0.1, 100, 200, 300, 400, 500, and 1000 MPa) in the temperature range 245–450 K. It was observed that the thermal conductivity of the samples investigated strongly depends on the pressure and rises with increasing pressure for all the temperatures. At a certain pressure, the temperature coefficient of thermal conductivity reverses from negative to positive. The pressure at which this reversal was observed varied in the range of 300–380 MPa.

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Fig. 1

Pressure dependence of λ for Komsomolsk oil at 295 K (filled circles) and at 245 K (open circles) oils

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Fig. 2

Pressure dependence of λ for Usinsk (filled circles) and Kumkolsk (open circles) oils at 295 K

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Fig. 3

Relative volume changes of Usinsk oil (filled circles) and Kumkolsk oils (open circles) at 295 K

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Fig. 4

Temperature dependence of λ for Usinsk oil at different pressures at isothermic (filled circles) and isobaric (open circles) experiments

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Fig. 5

Temperature dependence of λ for Kalchinsk oil (a), Verhozimskaya oil (b), and Shtokman gas condensate (c) at pressure of 300 MPa

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Fig. 6

Pressure dependence of b temperature coefficient in Eq. (2) for different hydrocarbon systems. Symbols represent experimental points, and solid lines are quadratic regression lines for correspondent experimental points.




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