Articles with "supercritical pressure" as a keyword



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Estimation of thermophysical properties of a hydrocarbon fuel at supercritical pressure

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Published in 2020 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2020.115032

Abstract: Abstract A good understanding of the thermophysical properties of hydrocarbon fuels at supercritical pressure is important to evaluate the performance and optimize the structure of propulsion systems of hypersonic vehicles. In-situ experimental measurements are difficult… read more here.

Keywords: thermophysical properties; estimation; temperature; supercritical pressure ... See more keywords

Research on heat transfer characteristics of kerosene at supercritical pressure in circular tubes

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Published in 2018 at "Experimental Thermal and Fluid Science"

DOI: 10.1016/j.expthermflusci.2018.03.030

Abstract: Abstract Understanding the heat transfer characteristics of supercritical kerosene is significant for the corresponding engineering design, and the special properties of supercritical fluids make the heat transfer more complicated. In this article, the heat transfer… read more here.

Keywords: heat; transfer characteristics; heat transfer; supercritical pressure ... See more keywords

Flow dynamics in transient heat transfer of n-decane at supercritical pressure

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Published in 2017 at "International Journal of Heat and Mass Transfer"

DOI: 10.1016/j.ijheatmasstransfer.2017.08.038

Abstract: Abstract Turbulent heat transfer of hydrocarbon fuel at supercritical pressure plays a crucial role in regenerative cooling of aerospace propulsion systems. In this paper, flow dynamics in transient heat transfer of n -decane at a… read more here.

Keywords: transient heat; supercritical pressure; heat transfer; transfer ... See more keywords
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Large eddy simulation on the heat transfer of supercritical pressure water in a circular pipe

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Published in 2021 at "Nuclear Engineering and Design"

DOI: 10.1016/j.nucengdes.2021.111146

Abstract: Abstract The heat transfer characteristic of supercritical pressure water is a concerned issue in the thermal–hydraulic design of the supercritical water-cooled reactor (SCWR). In the present paper, a large eddy simulation (LES) was utilized to… read more here.

Keywords: supercritical pressure; heat; pressure water; heat transfer ... See more keywords

Development of a high-order solver for large eddy simulation of turbulent heat transfer at supercritical pressure based on Nek5000

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Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0207869

Abstract: Turbulent heat transfer at supercritical pressure is a complex flow phenomenon due to drastic variations in fluid properties near the pseudocritical point. Numerical simulation is an important method to reveal the underlying physics. Currently, low-order… read more here.

Keywords: transfer supercritical; supercritical pressure; heat transfer; simulation ... See more keywords

Transient growth in diabatic boundary layers with fluids at supercritical pressure

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Published in 2024 at "Physical Review Fluids"

DOI: 10.1103/physrevfluids.9.083901

Abstract: In the region close to the thermodynamic critical point and in the proximity of the pseudo-boiling (Widom) line, strong property variations substantially alter the growth of modal instabilities, as revealed in Ren et al. (J.… read more here.

Keywords: supercritical pressure; growth; boundary layers; widom line ... See more keywords

Convection Heat-Transfer Characteristics of Supercritical Pressure RP-3 in Horizontal Microchannels

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Published in 2024 at "Energies"

DOI: 10.3390/en17133247

Abstract: To enhance the heat-transfer performance of scramjet engines, a numerical simulation was conducted on the heat-transfer process of RP-3 aviation kerosene under supercritical pressure within a horizontal micro-fine circular tube. The intrinsic mechanism of the… read more here.

Keywords: heat; supercritical pressure; heat transfer; phase ... See more keywords