Hydrodynamic cavitation characteristics of an orifice system and its effects on CRUD-like SiC deposition

Kim, Seong Man; Bang, In Cheol

doi:10.1016/j.anucene.2016.05.017

Cited by 4 publications

(3 citation statements)

References 5 publications

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“…The performance map helps identify the non-cavitating, cavitation inception, cavitation development, and fully developed cavitation regimes. The findings suggest that the flow begins to cavitate at σ < 1, which is in line with the results of several researchers [36][37][38]. The non-cavitating and cavitating regimes depicted in the performance map are verified using hydrophone and high-speed camera observations.…”

Section: Performance Characteristics Map Of Hcaf Apparatussupporting

confidence: 91%

Synergistic effects in hydrodynamic cavitation abrasive finishing for internal surface-finish enhancement of additive-manufactured components

Nagalingam

Yuvaraj

Yeo

2020

Additive Manufacturing

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Section: Performance Characteristics Map Of Hcaf Apparatussupporting

confidence: 91%

Synergistic effects in hydrodynamic cavitation abrasive finishing for internal surface-finish enhancement of additive-manufactured components

Nagalingam

Yuvaraj

Yeo

2020

Additive Manufacturing

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“…The saturated vapor pressure of alumina nanofluid changes with the nanoparticle volume fraction, the particle diameter and the temperature. Tso et al [21] have conducted investigations on nanofluid saturated vapor pressure, and a part of the results are listed in Table 2. The effects of alumina nanoparticle volume fraction and diameter at different operating conditions on cavitation are respectively discussed in the following sections.…”

Section: Resultsmentioning

confidence: 99%

Effects of nanoparticles on hydraulic cavitation

Chen

Qian

et al. 2018

MATEC Web Conf.

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When liquids flowing through a throttling element, such as a perforated plate, the velocity increases and the pressure decreases. If the pressure is below the saturated vapor pressure, the liquid will vaporize into small bubbles, which is called hydraulic cavitation. In fact, vaporization nucleus is another crucial condition for vaporizing. The nanoparticles contained in the nanofluids play a significant role in vaporization of liquids. In this paper, the effects of the nanoparticles on hydraulic cavitation are investigated. Firstly, a geometric model of a pipe channel equipped with a perforated plate is established. Then with different nanoparticle volume fractions and diameters, the nanofluids flowing through the channel is numerically simulated based on a validated numerical method. The operation conditions, such as the temperature and the pressure ratio of inlet to outlet, are the considered variables. As a significant parameter, cavitation numbers under different operation conditions are achieved to investigate the effects of nanoparticles on hydraulic cavitation. Meanwhile, the contours are extracted to research the distribution of bubbles for further investigation. This study is of interests for researchers working on hydraulic cavitation or nanofluids.

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“…Additionally, no-slip wall boundary is applied for all walls, and the standard wall function is adopted. In order to verify the reliability of the numerical method mentioned above, a numerical simulation has been conducted, and the results are compared with a reported experiment, which was carried out by Kim et al [27]. The comparison of experiment and numerical simulation is listed in Table 2.…”

Section: Methodsmentioning

confidence: 99%

The Hydraulic Cavitation Affected by Nanoparticles in Nanofluids

Chen

Qian

et al. 2018

Computation

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When liquids flow through a throttling element, the velocity increases and the pressure decreases. At this point, if the pressure is below the saturated vapor pressure of this liquid, the liquid will vaporize into small bubbles, causing hydraulic cavitation. In fact, a vaporization nucleus is another crucial condition for vaporizing, and particles contained in the liquid can also work as the vaporization nuclear. As a novel heat transfer medium, nanofluids have attracted the attention of many scholars. The nanoparticles contained in the nanofluids play a significant role in the vaporization of liquids. In this paper, the effects of the nanoparticles on hydraulic cavitation are investigated. Firstly, a geometric model of a perforated plate, the throttling element in this paper, is established. Then with different nanoparticle volume fractions and diameters, the nanofluids flowing through the perforated plate are numerically simulated based on a validated numerical method. The operation conditions, such as the ratio of inlet to outlet pressures and the temperature are the considered variables. Additionally, cavitation numbers under different operating conditions are achieved to investigate the effects of nanoparticles on hydraulic cavitation. Meanwhile, the contours are extracted to research the distribution of bubbles for further investigation. This study is of interest for researchers working on hydraulic cavitation or nanofluids.

show abstract

Hydrodynamic cavitation characteristics of an orifice system and its effects on CRUD-like SiC deposition

Cited by 4 publications

References 5 publications

Synergistic effects in hydrodynamic cavitation abrasive finishing for internal surface-finish enhancement of additive-manufactured components

Synergistic effects in hydrodynamic cavitation abrasive finishing for internal surface-finish enhancement of additive-manufactured components

Effects of nanoparticles on hydraulic cavitation

The Hydraulic Cavitation Affected by Nanoparticles in Nanofluids

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