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boiling crisis

Triggering the boiling crisis: a study of the dry spot spreading mechanism

Triggering the boiling crisis: a study of the dry spot spreading mechanism

... Two regimes of bubble growth have been identified. The first regime is the conventional bubble growth-and- departure regime. The second, “bubble spreading” regime occurs when the wall superheating is high enough to cause ...

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Bubble spreading during the boiling crisis: modelling and experimenting in microgravity

Bubble spreading during the boiling crisis: modelling and experimenting in microgravity

... Abstract Boiling is a very efficient way to transfer heat from a heater to the liquid ...the boiling crisis, a transition between two regimes of boiling: nucleate and film ...The ...

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Experimental Evidence of the Vapor Recoil Mechanism in the Boiling Crisis

Experimental Evidence of the Vapor Recoil Mechanism in the Boiling Crisis

... nucleate boiling (boiling in its usual sense) to film boiling where the heater is covered by a quasi-continuous vapor film and the evaporation occurs at the gas-liquid inter- ...nucleate ...

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Boiling crisis as inhibition of bubble detachment by the vapor recoil force.

Boiling crisis as inhibition of bubble detachment by the vapor recoil force.

... Abstract Boiling crisis is a transition between nucleate and film boiling. In this communication we present a physical model of the boiling crisis based on the vapor recoil effect. Our ...

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Boiling crisis dynamics: low gravity experiments at high pressure

Boiling crisis dynamics: low gravity experiments at high pressure

... 2 V. Nikolayev et al. than the vapor bubbles and time scales below the bub- ble growth time. A consensus about the local nature of BC has begun to emerge. Contrary to previous idea of BC as being triggered by bulk ...

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Critical heat flux maxima during boiling crisis on textured surfaces

Critical heat flux maxima during boiling crisis on textured surfaces

... However, counterintuitively our data reveal that although the CHF initially increases with decreasing micropillar spacing b, it then decreases sharply after reaching a maximum value at b ¼ 10 mm for both the ...

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Boiling crisis and non-equilibrium drying transition

Boiling crisis and non-equilibrium drying transition

... vapor bubbles suddenly form a film which covers the heating surface and insulates the latter from the bulk of the liquid. The temperature of the heating surface grows so rapidly that the heater can fuse unless its power ...

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Modeling and Simulation of Nucleate Boiling

Modeling and Simulation of Nucleate Boiling

... pool boiling type ...of boiling crisis is a critical safety issue for the nuclear industry: when the transition occurs from nucleate boiling to film boiling in the vicinity of heating ...

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Crisis-Robust Bond Portfolios

Crisis-Robust Bond Portfolios

... that crisis-robust portfolios can include a substantial fraction of risky assets when FTQ is observed instead of ...test crisis robustness in the case of larger portfolios that also include ...

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Crisis Propagation and Governance

Crisis Propagation and Governance

... Conclusion The purpose of this paper is to enrich the financial and economic literature about the company’s effectiveness of corporate governance mechanisms related to the board of directors on the firm’s ability to ...

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The Subprime Crisis

The Subprime Crisis

... financial crisis provided us an ideal opportunity to adequately study the phenomenon of ...subprime crisis, the collapse of interbank liquidity and the stock market crash are factors that have played a ...

9

La crisis del corporativismo mexicano

La crisis del corporativismo mexicano

... Por otro la­ do, se cuestionan el paternalismo y clientelismo tradicionales del sindi­ calismo mexicano, así como el principio de autoridad patronal, porque en las empresas más grandes y[r] ...

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California's electricity crisis

California's electricity crisis

... national natural gas prices and the prices at the Southern California border, (b) a significant reduction in electricity demand reflecting conservation and (after May) higher retail pr[r] ...

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Un semestre de crisis en Argentina

Un semestre de crisis en Argentina

... Incluso con elecciones limitadas al cargo de presidente, en Marzo se verá cuanto del bipartidismo tradicional argentino sobrevive a esta crisis sin precedentes. Conclusión Seis meses de administración peronista ...

10

Crisis y economía moral en Roubaix

Crisis y economía moral en Roubaix

... Hakim repara coches a medida que van pasando (lleva quince años trabajando aquí, antes trabajó en dos talleres formales como empleado, y con el tiempo se ha construido una verdadera r[r] ...

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Numerical simulation of boiling during the quenching process

Numerical simulation of boiling during the quenching process

... 2 Département Physique et Mécanique des Matériaux / ENSMA-INSTITUT P’, 1 Avenue Clément Ader, 86961 Futuroscope Chasseneuil, France Résumé — During the thermal modelling of the quenching process, different stages of ...

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Automated Emergence of a Crisis Situation Model in Crisis Response Based on Tweets

Automated Emergence of a Crisis Situation Model in Crisis Response Based on Tweets

... the crisis’ responders) at a macro-level and, in the same time, (ii) a technological layer with the lack of methodology to deal with unknown sources of data that needs to be “understood” to be exploited by ...

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Flow boiling study in mini-channels

Flow boiling study in mini-channels

... Huo et al. (2004) R134a 13–150 100–500 0–0.9 2.01–4.26 Present study (2004) R134a 2.8–31.6 90–469 0–1 0.77–2.01 Another phenomenon experimentally identified in flow boiling is the oscillatory nature of the flow. Some ...

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The Suez Canal Crisis 1956

The Suez Canal Crisis 1956

... the crisis to their political ...of crisis of Suez gave the Soviet Union prestige in the eyes of some region, Eisenhower Doctrine which resulted from the crisis by president Eisenhower led to ...

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The correlation of nucleate boiling burn-out data

The correlation of nucleate boiling burn-out data

... In addition, no general correlation scheme exists, so that it is impossible for .a designer to take burnout data for water, for instance, and use it to calculate[r] ...

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