Thermal-Conductivity Measurements of Aviation Kerosene RP-3 from (285 to 513) K at Sub- and Supercritical Pressures

Xu, Guoqiang; Jia, Zhouxia; Wen, Jia; Deng, Hongwu; Fu, Yanchen

doi:10.1007/s10765-015-1840-4

Cited by 40 publications

(17 citation statements)

References 14 publications

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“…The component and mole fraction of the surrogate are listed in Table 3. Figure 3 shows the comparison of numerical data and experimental data [25][26][27][28] for the thermo-physical properties of aviation kerosene at P = 3 MPa. Good agreement has been reached between the calculated results and experimental data at P = 3 MPa.…”

Section: Thermo-physical Properties Evaluationsmentioning

confidence: 99%

Heat transfer deterioration of aviation kerosene flowing in mini tubes at supercritical pressures

Huang

2017

International Journal of Heat and Mass Transfer

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Heat transfer performances of aviation kerosene flowing in mini tubes at supercritical pressures were investigated experimentally and numerically. A ten-species surrogate model with the extended correponding state was used to calculate the thermophysical and transport properties of kerosene and the Re-Normalization Group (RNG) k-ε turbulent model with the enhanced wall treatment was adopted to consider the turbulent effect. The numerical results agree well with the experimental data. Two types of heat transfer deterioration were observed in this paper. The first type of deterioration occurs at the place where the wall temperature exceeds the pseudo-critical temperature, while the second type occurs when the bulk fluid temperature exceeds the pseudo-critical temperature. The effects of several key parameters, such as mass flow rate, heat flux, pressure and inlet temperature on heat transfer deterioration were studied in detail. The results reveal that the heat transfer coefficient increases with increasing mass flow rate and inlet temperature. The effect of heat flux on heat transfer is complicated, while the effect of pressure on heat transfer is insignificant. Heat transfer deterioration can be effectively eliminated by increasing mass flow rate and pressure and decreasing heat flux and inlet temperature. The dramatic variation of thermo-physical properties is the main reason for the heat transfer deterioration.

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Section: Thermo-physical Properties Evaluationsmentioning

confidence: 99%

Heat transfer deterioration of aviation kerosene flowing in mini tubes at supercritical pressures

Huang

2017

International Journal of Heat and Mass Transfer

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“…Middle zone, where the tube wall temperature is higher than the supercritical temperature. As the near wall fluid has very low density and low viscosity, comparison of numerical data and experimental data [23][24][25][26] for the thermo-physical properties of aviation kerosene at P = 3 Mpa can be found in our previous publication [27]. Good agreement has been reached between the calculated results and experimental data.…”

Section: Experimental Apparatusmentioning

confidence: 57%

Heat Transfer Characteristics of Al2O3-Kerosene and Fe3O4-Kerosene Nanofluids Flowing in a Minitube at Supercritical Pressures

Huang¹,

Wu²,

Li³

2018

Int J Astronaut Aeronautical Eng

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Regenerative cooling system is thought to be an effective and practical solution to better thermal management for high heat flux applications. In this paper, the potential of nanofluids as regenerative coolants at supercritical pressures was evaluated. Two-step method was applied to prepare Al 2 O 3-kerosene and Fe 3 O 4-kerosene nanofluids. Then experiments were carried out to study the heat transfer characteristics of nanofluids flowing in a vertical minitube at supercritical pressures. Parametric effects of mass flow rate, heat flux, pressure and particle content on the heat transfer performance are presented. Results show that increasing the flow rate or the working pressure could enhance the heat transfer performances, yet higher heat flux leads to poorer heat transfer performances. Besides, the addition of nanoparticles tend to deteriorate heat transfer at supercritical pressures because deposition of the nanoparticles smoothens the wall roughness and presents an additional thermal resistance. As the particle content increases, the heat transfer performance becomes worse.

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“…The 30 bar thermal conductivities reported by Xu et al [72], which are measured using a double transient hot-wire method, are on average 9% different compared to data reported by Jia et al [73] at the single pressure of 30 bar, which are measured using a steady and kinetic method, an experimental technique proposed in the article [73]. We note that all three studies [72,73,77] are from the same research group. d The number averaged MW and the HN/CN ratio of the samples are reported by Won et al [78] and Chickos and Zhao [79].…”

Section: Fuelsmentioning

confidence: 65%

“…c The number averaged MW and the HN/CN ratio of the sample are calculated from the detailed composition of the RP3 fuel reported by Deng et al [77]. The 30 bar thermal conductivities reported by Xu et al [72], which are measured using a double transient hot-wire method, are on average 9% different compared to data reported by Jia et al [73] at the single pressure of 30 bar, which are measured using a steady and kinetic method, an experimental technique proposed in the article [73]. We note that all three studies [72,73,77] are from the same research group.…”

Section: Fuelsmentioning

confidence: 99%

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General method for prediction of thermal conductivity for well-characterized hydrocarbon mixtures and fuels up to extreme conditions using entropy scaling

Rokni

Moore

Gupta

et al. 2019

Fuel

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Thermal-Conductivity Measurements of Aviation Kerosene RP-3 from (285 to 513) K at Sub- and Supercritical Pressures

Cited by 40 publications

References 14 publications

Heat transfer deterioration of aviation kerosene flowing in mini tubes at supercritical pressures

Heat transfer deterioration of aviation kerosene flowing in mini tubes at supercritical pressures

Heat Transfer Characteristics of Al2O3-Kerosene and Fe3O4-Kerosene Nanofluids Flowing in a Minitube at Supercritical Pressures

General method for prediction of thermal conductivity for well-characterized hydrocarbon mixtures and fuels up to extreme conditions using entropy scaling

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