5 papers
Why air bubbles in water glow so easily
Michael Brenner, Sascha Hilgenfeldt, Detlef Lohse +1
Sound driven gas bubbles in water can emit light pulses (sonoluminescence). Experiments show a strong dependence on the type of gas dissolved in water. Air is found to be one of th…
Developed turbulence: From full simulations to full mode reductions
Siegfried Grossmann, Detlef Lohse, Achim Reeh
Developed Navier-Stokes turbulence is simulated with varying wavevector mode reductions. The flatness and the skewness of the velocity derivative depend on the degree of mode reduc…
Acoustic Energy Storage in Single Bubble Sonoluminescence
Michael P. Brenner, Sascha Hilgenfeldt, Detlef Lohse +1
Single bubble sonoluminescence is understood in terms of a shock focusing towards the bubble center. We present a mechanism for significantly enhancing the effect of shock focusing…
Mechanisms for Stable Sonoluminescence
Michael Brenner, Detlef Lohse, David Oxtoby +1
A gas bubble trapped in water by an oscillating acoustic field is expected to either shrink or grow on a diffusive timescale, depending on the forcing strength and the bubble size.…
Bubble Shape Oscillations and the Onset of Sonoluminescence
Michael P. Brenner, Detlef Lohse, T. F. Dupont
An air bubble trapped in water by an oscillating acoustic field undergoes either radial or nonspherical pulsations depending on the strength of the forcing pressure. Two different…