Flow rate distribution of cracked hydrocarbon fuel in parallel pipes

Qin, Jiang; Jiang, Yuguang; Feng, Yuqing; Li, Xiaojie; Li, Haowei; Xu, Yaxing; Bao, Wen; Han, Jiecai

doi:10.1016/j.fuel.2015.08.015

Cited by 35 publications

(2 citation statements)

References 30 publications

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“…Fu et al studied the flow maldistribution of aviation kerosene without pyrolysis in two helical tubes, and proposed that density variation is the key factor to influence the flow distribution under supercritical pressure . Qin et al and Jiang et al conducted simulation and experimental study on the flow maldistribution of mild‐cracking hydrocarbon fuels without coking in two parallel tubes, and proposed that the higher pressure suppresses the mal‐distribution . Jiang et al conducted a parametric study on the manifold of fuel‐cooled plate without reactions .…”

Section: Introductionmentioning

confidence: 99%

Flow distribution of hydrocarbon fuel in parallel minichannels heat exchanger

et al. 2018

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In this article, the flow distribution of the Chinese No. 3 jet fuel in parallel minichannels heat exchanger under high temperature condition was investigated. The models of PFR and choked flow were established based on the real fluid model. The formation mechanism of flow maldistribution of the fuel in the freely distributed channels was studied. It was found that: under low heat flux, the slight flow rate deviation will be spontaneously eliminated; under high heat flux, the slight deviation of flow rate and heat flux will be enlarged and result in the channel with smaller flow rate entering the coking region. The feasibility and influence factors of the control method of flow distribution based on choked flow were discussed. The experimental results indicated that the minichannels fuel‐cooled plate with choked flow could maintain uniform flow distribution when the total fuel outlet temperature reached 1035 K. © 2018 American Institute of Chemical Engineers AIChE J, 64: 2781–2791, 2018

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Section: Introductionmentioning

confidence: 99%

Flow distribution of hydrocarbon fuel in parallel minichannels heat exchanger

et al. 2018

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“…The heat transfer efficiency has thus become the key factor affecting the thermal protection. However, dramatic changes in properties when hydrocarbon fuel experiences the pseudo-critical temperature during the cooling [9] may lead to severe heat transfer deterioration [10][11][12][13] and the structure may get over-temperature, which is unacceptable. For another, at a certain local high heat flux zone, for example, the cavity, heat flux can be as high as 3MW /m 2 , which is a serious challenge for thermal protection [14,15].…”

Section: Introductionmentioning

confidence: 99%

Numerical heat transfer analysis of transcritical hydrocarbon fuel flow in a tube partially filled with porous media

et al. 2016

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Hydrocarbon fuel has been widely used in airbreathing scramjets and liquid rocket engines as coolant and propellant. However, possible heat transfer deterioration and threats from local high heat flux area in scramjet make heat transfer enhancement essential. In this work, 2-D steady numerical simulation was carried out to study different schemes of heat transfer enhancement based on a partially filled porous media in a tube. Both boundary and central layouts were analyzed and effects of gradient porous media were also compared. The results show that heat transfer in the transcritical area is enhanced at least 3 times with the current configuration compared to the clear tube. Besides, the proper use of gradient porous media also enhances the heat transfer compared to homogenous porous media, which could help to avoid possible overtemperature in the thermal protection.

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