Heat transfer enhancement in a closed thermosyphon with thermally conductive PA6/water

Jiang, Feng; Tan, Yong Zen; Qi, Guopeng; Chen, Wenjing; Han, Xiaoyu; Li, Xiulun

doi:10.1016/j.applthermaleng.2016.02.053

Cited by 15 publications

(2 citation statements)

References 16 publications

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“…Figure 2a shows the installation method of RTDs in detail. The probes of RTDs were coated with silicon rubber not only for fixation, but also for weakening the effect of thermal radiation from the resistance wire [32]. Figure 3 displays the positions of RTDs relative to the resistance wire in detail, and the exact vertical heights of three groups of RTDs on the horizontal bed.…”

Section: Experimental Apparatusmentioning

confidence: 99%

“…The uncertainty of the experimental results is specified on the basis of deviations in different measured parameters involved in the experiment. The uncertainty of the parameter in this experiment is calculated by the following equations [32]: The maximum uncertainties for the convective heat transfer coefficient and heat-transfer-enhancing factor are calculated within 9.5% and 12.6%, respectively. Figure 4 compares the convective heat transfer coefficients of beds in different directions.…”

Section: Data Processingmentioning

confidence: 99%

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Effect of Flow Directions on Multiphase Flow Boiling Heat Transfer Enhanced by Suspending Particles in a Circulating Evaporation System

Jiang

et al. 2018

Trans. Tianjin Univ.

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A circulating fluidized bed evaporator (including down-flow, horizontal, and up-flow beds) was constructed to study the effect of flow directions on multiphase flow boiling heat transfer. A range of experimental investigations were carried out by varying amount of added particles (0-2%), circulation flow rate (2.15-5.16 m 3 /h) and heat flux (8-16 kW/m 2 ). The comparison of heat transfer performance in different vertical heights of the horizontal bed was also discussed. Results reveal that the glass bead particle can enhance heat transfer compared with vapor-liquid two-phase flow for all beds. At a low heat flux (q = 8 kW/m 2 ), the heat-transfer-enhancing factor of the horizontal bed is obviously greater than those of the up-flow and down-flow beds. With the increase in the amount of added particles, the heat-transfer-enhancing factors of the up-flow and down-flow beds increase, whereas that of the horizontal bed initially increases and then decreases. However, at a high heat flux (q = 16 kW/m 2 ), the heat-transfer-enhancing factors of the three beds show an increasing tendency with the increase in the amount of added particles and become closer than those at a low heat flux. For all beds, the heat-transfer-enhancing factor generally increases with the circulation flow rate but decreases with the increase in heat flux.

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Section: Experimental Apparatusmentioning

confidence: 99%

Section: Data Processingmentioning

confidence: 99%

Effect of Flow Directions on Multiphase Flow Boiling Heat Transfer Enhanced by Suspending Particles in a Circulating Evaporation System

Jiang

et al. 2018

Trans. Tianjin Univ.

Self Cite

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Influence of metal-based cerium oxide nanoparticle additive on performance, combustion, and emissions with biodiesel in diesel engine

Kumar

Babu

Kumar

2019

Environ Sci Pollut Res

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A review on the engine performance and exhaust emission characteristics of diesel engines fueled with biodiesel blends

Damanik

Ong

Tong

et al. 2018

Environ Sci Pollut Res

157

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Biodiesels have gained much popularity because they are cleaner alternative fuels and they can be used directly in diesel engines without modifications. In this paper, a brief review of the key studies pertaining to the engine performance and exhaust emission characteristics of diesel engines fueled with biodiesel blends, exhaust aftertreatment systems, and low-temperature combustion technology is presented. In general, most biodiesel blends result in a significant decrease in carbon monoxide and total unburned hydrocarbon emissions. There is also a decrease in carbon monoxide, nitrogen oxide, and total unburned hydrocarbon emissions while the engine performance increases for diesel engines fueled with biodiesels blended with nano-additives. The development of automotive technologies, such as exhaust gas recirculation systems and low-temperature combustion technology, also improves the thermal efficiency of diesel engines and reduces nitrogen oxide and particulate matter emissions.

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Heat transfer enhancement in a closed thermosyphon with thermally conductive PA6/water

Cited by 15 publications

References 16 publications

Effect of Flow Directions on Multiphase Flow Boiling Heat Transfer Enhanced by Suspending Particles in a Circulating Evaporation System

Effect of Flow Directions on Multiphase Flow Boiling Heat Transfer Enhanced by Suspending Particles in a Circulating Evaporation System

Influence of metal-based cerium oxide nanoparticle additive on performance, combustion, and emissions with biodiesel in diesel engine

A review on the engine performance and exhaust emission characteristics of diesel engines fueled with biodiesel blends

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