Nucleate pool-boiling heat transfer. I: review of parametric effects of boiling surface

Pioro, Igor; Rohsenow, W. M.; Doerffer, S. S.

doi:10.1016/j.ijheatmasstransfer.2004.06.019

Cited by 285 publications

(108 citation statements)

References 23 publications

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“…A recent comprehensive review of relevant literature has been given by Pioro et al 8 One common approach is to modify the heating surface condition relevant to boiling, which generally falls in one or several of the following three categories:…”

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confidence: 99%

Nanowires for Enhanced Boiling Heat Transfer

et al. 2009

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Boiling is a common mechanism for liquid−vapor phase transition and is widely exploited in power generation and refrigeration devices and systems. The efficacy of boiling heat transfer is characterized by two parameters: (a) heat transfer coefficient (HTC) or the thermal conductance; (b) the critical heat flux (CHF) limit that demarcates the transition from high HTC to very low HTC. While increasing the CHF and the HTC has significant impact on system-level energy efficiency, safety, and cost, their values for water and other heat transfer fluids have essentially remained unchanged for many decades. Here we report that the high surface tension forces offered by liquids in nanowire arrays made of Si and Cu can be exploited to increase both the CHF and the HTC by more than 100%.

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confidence: 99%

Nanowires for Enhanced Boiling Heat Transfer

et al. 2009

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“…This fact is well established in the literature, e.g. [30]. Simple scratching of the polished silicon surface produces a narrow range of groovelike surface features, unlike the aluminum surfaces which contain a wide distribution of feature sizes and shapes, as shown in Fig.…”

Section: Low Flux Enhancementmentioning

confidence: 55%

Confinement effects on nucleate boiling and critical heat flux in buoyancy-driven microchannels

Geisler

Bar‐Cohen

2009

International Journal of Heat and Mass Transfer

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“…Nilai kekasaran, R a , permukaan TiO 2 lebih rendah, namun, nilai dari pertambahan luas permukaan, r, lebih tinggi dari permukaan PTFE. Hal ini diketahui, bahwa kekasaran permukaan meningkatkan performa dari boiling heat transfer [3,4]. Nilai kekasaran tinggi dikaitkan dengan yang lebih besar cavitydiameter yang berpotensi menjadi situs gelembung nukleasi.…”

Section: Hasil Dan Pembahasanunclassified

Pengaruh Nilai Wettability Pada Pool Boiling Heat Transfer Studi Kasus Hydrophobic, Hydrophilic Dan Superhydrophilic

Suroto¹

2017

JIIF

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Abstrak. Telah dilakukan penelitian tentang efek dari berbagai nilai wettability dari permukaan pada pool boiling heat transfer. Percobaan dilakukan dengan menggunakan air murni sebagai fluida kerja dan subcooling 0K. Heat transfer block yang digunakan adalah mirror surafce (dipoles tembaga) / hidrofilik, superhydrophilic / copper berlapis TiO2 and permukaan hidrofobik / PTFE. Hasil penelitian menunjukkan bahwa kinerja perpindahan panas dari permukaan dengan lapisan PTFE lebih baik di fluks panas rendah. Sedangkan untuk fluks panas menengah, permukaan superhydrophilic (TiO2) lebih unggul dibandingkan dengan permukaan hidrofilik dan hidrofobik.Kata kunci : Wettability, subcooling, super/hydrophilic, superhydrophilic, boiling Abstract. The effect of varying surface wettabilities on nucleate pool boiling heat transfer has been examined and investigated. The experiments were performed using pure water as the working fluid and subcooling 0K. The heat transfer block used were bare surface/hydrophilic (polished copper), superhydrophilic/TiO2-coated copperand hydrophobic/PTFE surface. The results showed that the heat transfer performance of surfaces with PTFE coating is better at low heat flux. While for intermediate heat flux, superhydrophilic surface (TiO2) is superior compared to hydrophilic and hydrophobic surfaces.

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Nucleate pool-boiling heat transfer. I: review of parametric effects of boiling surface

Cited by 285 publications

References 23 publications

Nanowires for Enhanced Boiling Heat Transfer

Nanowires for Enhanced Boiling Heat Transfer

Confinement effects on nucleate boiling and critical heat flux in buoyancy-driven microchannels

Pengaruh Nilai Wettability Pada Pool Boiling Heat Transfer Studi Kasus Hydrophobic, Hydrophilic Dan Superhydrophilic

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