New surface can prevent liquid explosions or even frost

18 September 2012

Explosions caused by boiling liquid could be reduced by suppressing the liquid from bubbling, according to a new University of Melbourne study.

The research, which is the first of its kind, has identified a specially engineered steel surface that allows liquids to boil without bubbling.

"This would be advantageous for use in industrial situations such as nuclear power plants, where vapour explosions are best avoided, or where gentle heating is desirable" said Professor Derek Chan, from the University’s Department of Mathematics and Statistics.

The study suggests that the new surface could also be applied to other situations that involve the transfer of heat, such as reducing fogging and preventing ice or frost formation on windows.

"Our results show the potential of using this textured surface to control heating and cooling events that affect the formation of frost on windows and ice on the control surfaces of aircrafts or even refrigeration units," he said.

The international study was done in collaboration between the University of Melbourne and Dr Neelesh Patankar from the Northwestern University in the United States and Dr Ivan Vakarelski and his team at the King Abdullah University of Science and Technology in Saudi Arabia where the experimental studies were carried out.

The study was published today in the journal Nature.

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