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Relevant bibliographies by topics / Thermal bubble

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Journal articles

Academic literature on the topic 'Thermal bubble'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Thermal bubble"

1

Liu, Bendong, Chenxu Ma, Jiahui Yang, Desheng Li, and Haibin Liu. "Study on the Heat Source Insulation of a Thermal Bubble-Driven Micropump with Induction Heating." Micromachines 12, no. 9 (2021): 1040. http://dx.doi.org/10.3390/mi12091040.

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Thermal bubble-driven micropumps have the advantages of high reliability, simple structure and simple fabrication process. However, the high temperature of the thermal bubble may damage some biological or chemical properties of the solution. In order to reduce the influence of the high temperature of the thermal bubbles on the pumped liquid, this paper proposes a kind of heat insulation micropump driven by thermal bubbles with induction heating. The thermal bubble and its chamber are designed on one side of the main pumping channel. The high temperature of the thermal bubble is insulated by th

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2

Heller, R., R. Jacob, D. Schönberner, and M. Steffen. "Hot bubbles of planetary nebulae with hydrogen-deficient winds." Astronomy & Astrophysics 620 (December 2018): A98. http://dx.doi.org/10.1051/0004-6361/201832683.

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Context. The first high-resolution X-ray spectroscopy of a planetary nebula, BD +30° 3639, opened the possibility to study plasma conditions and chemical compositions of X-ray emitting “hot” bubbles of planetary nebulae in much greater detail than before. Aims. We investigate (i) how diagnostic line ratios are influenced by the bubble’s thermal structure and chemical profile, (ii) whether the chemical composition inside the bubble of BD +30° 3639 is consistent with the hydrogen-poor composition of the stellar photosphere and wind, and (iii) whether hydrogen-rich nebular matter has already been

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3

Chen, Min, Kun Peng Jiang, Da Wei Jiang, Dong Dong Chen, and Yan Fang Zhao. "Thermal Bubble Nucleation in a Nanochannel: An Experiment Investigation." Applied Mechanics and Materials 597 (July 2014): 7–12. http://dx.doi.org/10.4028/www.scientific.net/amm.597.7.

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We investigated the nanoscale thermal bubble nucleation based on the principle of Coulter counter. With micro-nanofabrication technologies, a device was designed and fabricated, and a detection platform was set up which was used to investigate the thermal bubble nucleation of aqueous solution confined in a nanochannel with a cross size of about 100 nm×100 nm. Results show that with the temperature of the solution confined in the nanochannel increasing, the current through the channel increases first and then decreases, and vanishes after a fluctuating period. It can be found that the generatin

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4

Hung, P. K., P. H. Kien, and H. V. Hue. "Tracer Diffusion Mechanism in Amorphous Solids." Journal of Metallurgy 2011 (December 27, 2011): 1–11. http://dx.doi.org/10.1155/2011/861373.

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Tracer diffusion in amorphous solid is studied by mean of nB-bubble statistic. The nB-bubble is defined as a group of atoms around a spherical void and large bubble that represents a structural defect which could be eliminated under thermal annealing. It was found that amorphous alloys such as CoxB100−x (x=90, 81.5 and 70) and Fe80P20 suffer from a large number of vacancy bubbles which function like diffusion vehicle. The concentration of vacancy bubble weakly depends on temperature, but essentially on the relaxation degree of considered sample. The diffusion coefficient estimated for proposed

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5

Narezo Guzman, Daniela, Tomasz Frączek, Christopher Reetz, Chao Sun, Detlef Lohse, and Guenter Ahlers. "Vapour-bubble nucleation and dynamics in turbulent Rayleigh–Bénard convection." Journal of Fluid Mechanics 795 (April 13, 2016): 60–95. http://dx.doi.org/10.1017/jfm.2016.178.

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Vapour bubbles nucleating at micro-cavities etched into the silicon bottom plate of a cylindrical Rayleigh–Bénard sample (diameter $D=8.8$ cm, aspect ratio ${\it\Gamma}\equiv D/L\simeq 1.00$ where $L$ is the sample height) were visualized from the top and from the side. A triangular array of cylindrical micro-cavities (with a diameter of $30~{\rm\mu}\text{m}$ and a depth of $100~{\rm\mu}\text{m}$) covered a circular centred area (diameter of 2.5 cm) of the bottom plate. Heat was applied to the sample only over this central area while cooling was over the entire top-plate area. Bubble sizes and

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6

Tsai, Jr-Hung, and Liwei Lin. "Transient Thermal Bubble Formation on Polysilicon Micro-Resisters." Journal of Heat Transfer 124, no. 2 (2001): 375–82. http://dx.doi.org/10.1115/1.1445136.

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Transient bubble formation experiments are investigated on polysilicon micro-resisters having dimensions of 95 μm in length, 10 μm or 5 μm in width, and 0.5 μm in thickness. Micro resisters act as both resistive heating sources and temperature transducers simultaneously to measure the transient temperature responses beneath the thermal bubbles. The micro bubble nucleation processes can be classified into three groups depending on the levels of the input current. When the input current level is low, no bubble is nucleated. In the middle range of the input current, a single spherical bubble is n

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7

Lin, Liwei, A. P. Pisano, and V. P. Carey. "Thermal Bubble Formation on Polysilicon Micro Resistors." Journal of Heat Transfer 120, no. 3 (1998): 735–42. http://dx.doi.org/10.1115/1.2824343.

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Thermal bubble formation in the microscale is of importance for both scientific research and practical applications. A bubble generation system that creates individual, spherical vapor bubbles from 2 to 500 μm in diameter is presented. Line shape, polysilicon resistors with a typical size of 50 × 2 × 0.53 μm3 are fabricated by means of micromachining. They function as resistive heaters and generate thermal microbubbles in working liquids such as Fluorinert fluids (inert, dielectric fluids available from the 3M company), water, and methanol. Important experimental phenomena are reported, includ

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8

Zeng, Binglin, Kai Leong Chong, Yuliang Wang, et al. "Periodic bouncing of a plasmonic bubble in a binary liquid by competing solutal and thermal Marangoni forces." Proceedings of the National Academy of Sciences 118, no. 23 (2021): e2103215118. http://dx.doi.org/10.1073/pnas.2103215118.

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The physicochemical hydrodynamics of bubbles and droplets out of equilibrium, in particular with phase transitions, display surprisingly rich and often counterintuitive phenomena. Here we experimentally and theoretically study the nucleation and early evolution of plasmonic bubbles in a binary liquid consisting of water and ethanol. Remarkably, the submillimeter plasmonic bubble is found to be periodically attracted to and repelled from the nanoparticle-decorated substrate, with frequencies of around a few kilohertz. We identify the competition between solutal and thermal Marangoni forces as t

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9

Voglar, Jure. "Physical Model of a Single Bubble Growth during Nucleate Pool Boiling." Fluids 7, no. 3 (2022): 90. http://dx.doi.org/10.3390/fluids7030090.

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A simplified physical model of a single bubble growth during nucleate pool boiling was developed. The model was able to correlate the experimentally observed data of the bubble’s growth time and its radius evolution with the use of the appropriate input parameters. The calculated values of separated heat fluxes from the heater wall, thermal boundary layer, and to the bulk liquid gave us a new insight into the complex mechanisms of the nucleate pool boiling process. The thermal boundary layer was found to supply the majority of the heat to the growing bubble. The heat flux from the thermal boun

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10

Arai, S., T. Kanagawa, T. Ayukai, and T. Yatabe. "Nonlinear and dissipation effects of pressure waves in water flows containing translational bubbles with a drag force." Journal of Physics: Conference Series 2217, no. 1 (2022): 012021. http://dx.doi.org/10.1088/1742-6596/2217/1/012021.

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Abstract Weakly nonlinear (i.e., finite but small amplitude) propagation of plane progressive pressure waves in compressible water flows uniformly containing many spherical bubbles is theoretically studied. Drag force acting bubbles and translation of bubbles are newly considered by introducing in momentum conservation equations in a two fluid model and the bubble dynamics equation for volumetric oscillations, respectively. Although these assumptions are the same as our previous paper, in this study, the energy conservation equation for each bubble describing a thermal conduction inside bubble

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