نتایج جستجو برای: bubble nucleation

تعداد نتایج: 34770  

Journal: :The Journal of chemical physics 2009
Masao Iwamatsu

The generic square-gradient density-functional model with triple-parabolic free energy is used to study the stability of a cavity introduced into the stretched liquid. The various properties of the critical cavity, which is the largest stable cavity within the liquid, are compared with those of the critical bubble of the homogeneous bubble nucleation. It is found that the size of the critical c...

1997
Martin Bucher

We calculate the spectrum of gravitational waves generated during inflation in open (Ω0 < 1) inflationary models. In such models an initial epoch of old inflation solves the horizon and flatness problems, and during this first epoch of inflation the quantum state of the graviton field rapidly approaches the Bunch-Davies vacuum. Then old inflation ends by the nucleation of a single bubble, insid...

2005
Vijay K. Dhir Henry Samueli

Over the last half of the twentieth century, a number of purely empirical and mechanismbased correlations have been developed for pool nucleate boiling. Empirical correlations differ from each other substantially with respect to the functional dependence of heat flux on fluid and surface properties, including gravity. The mechanism-based correlations require knowledge of the number density of a...

2009
Chin-Tsan Wang

The micro capillary pumped loop system (MCPL) is a highly efficient device for heat transfer because the main driving force is a result of thermo-bubbles in micro-channel. In this study, the scaling effect with respect to the dimensional geometry of MCPL was studied for improving the heat transfer performance. The results showed that when a larger heating power was provided by microheater, the ...

Journal: :Journal of Micromechanics and Microengineering 2005

Journal: :International Journal of Thermal Sciences 2021

We study the role of surface topology, chemistry, and wall superheat temperature on onset boiling, bubble nucleation growth, possible formation an insulating vapour film by means a novel setup for large-scale MD simulations. To minimise effects system size growth film, we perform simulations in box larger than those previously considered. The effect pressure is isolated imposing constant force ...

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