Scientists brew REAL lava and blow it up to better understand volcanoes 

Mail Online | 12/10/2018 | Cheyenne Macdonald For
joseph76 (Posted by) Level 3
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Dramatic experiments to recreate the explosive interactions that take place during a volcanic eruption have revealed what happens when molten rock and water meet.

Scientists ran 12 experiments in the lab using 10-gallon vats of homemade lava to test the effects of different water-injection speeds.

Combination - Liquids - Team - Conditions - Encounters

While the combination of these liquids doesn’t always turn violent, the team found that under certain conditions, these encounters generate spontaneous explosions that could make an eruption much more dangerous.

‘If you think about a volcanic eruption, there are powerful forces at work, and it’s not a gentle thing,’ says lead investigator Ingo Sonder, research scientist in the Center for Geohazards Studies at University at Buffalo.

Study - Journal - Geophysical - Research - Earth

The new study published in the Journal of Geophysical Research: Solid Earth expands upon earlier work, which examined lava-water interactions on a small scale.

While the previous experiments used roughly a coffee cup’s worth of lava, the new study used 10-gallon batches held in insulated steel boxes.

Experiments - Team - Interactions - Water - Lava

Through 12 total experiments, the team investigated the interactions of water and lava when water-injection varied from about 6 to 30 feet per second.

The team also varied the height of the steel boxes, changing it from about 8 to 18 inches tall.

Conclusions - Researchers - Patterns

Though it’s still too early for solid conclusions, the researchers say they did uncover some patterns.

The experiments showed that spontaneous explosions occur when at least a foot of molten...
(Excerpt) Read more at: Mail Online
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