SPONTANEOUS NUCLEATION IN SUPERSATURATED VAPORS

Micro-nucleation in supersaturated oxygen solution injection

We present here an example of an important biomedical technique in which it is critical to understand and avoid bubble nucleation in supersaturated aqueous solutions of oxygen. By doing so it is possible to inject highly supersaturated oxygen solutions through a small capillary without the formation of significant gas bubbles. The potential medical benefits of a successful technique of this kin...

Molecular Dynamics Based Analysis of Nucleation and Surface Energy of Droplets in Supersaturated Vapors of Methane and Ethane

Homogeneous nucleation in supersaturated vapors of methane, ethane, and carbon dioxide predicted by brute force molecular dynamics.

Molecular dynamics (MD) simulation is applied to the condensation process of supersaturated vapors of methane, ethane, and carbon dioxide. Simulations of systems with up to a 10(6) particles were conducted with a massively parallel MD program. This leads to reliable statistics and makes nucleation rates down to the order of 10(30) m(-3) s(-1) accessible to the direct simulation approach. Simula...

Homogeneous nucleation rate measurements in supersaturated water vapor II.

The homogeneous nucleation of water was studied experimentally in this work using a thermal diffusion cloud chamber; droplets were counted by the photomultiplier method and helium was used as a carrier gas. The nucleation rates range from 3x10(-2) to 3x10(1) cm(-3) s(-1) and six isotherms from 295 to 320 K with step of 5 K are measured. The experimental setup and obtained data are mutually comp...

Molecular dynamics simulation of supersaturated vapor nucleation in slit pore