TY - JOUR
T1 - Void fraction measurements in breaking waves
AU - Blenkinsopp, C.E.
AU - Chaplin, J.R.
PY - 2007/12/8
Y1 - 2007/12/8
N2 - This paper describes detailed measurements and analysis of the time-varying distribution of void fractions in three different breaking waves under laboratory conditions. The measurements were made with highly sensitive optical fibre phase detection probes and document the rapid spatial and temporal evolutions of both the bubble plume generated beneath the free surface and the splashes above. Integral properties of the measured void fraction fields reveal a remarkable degree of similarity between characteristics of the two-phase flow in different breaker types as they evolve with time. Depending on the breaker type, the energy expended in entraining air and generating splash accounts for a minimum of between 6.5 and 14% of the total energy dissipated during wave breaking.
AB - This paper describes detailed measurements and analysis of the time-varying distribution of void fractions in three different breaking waves under laboratory conditions. The measurements were made with highly sensitive optical fibre phase detection probes and document the rapid spatial and temporal evolutions of both the bubble plume generated beneath the free surface and the splashes above. Integral properties of the measured void fraction fields reveal a remarkable degree of similarity between characteristics of the two-phase flow in different breaker types as they evolve with time. Depending on the breaker type, the energy expended in entraining air and generating splash accounts for a minimum of between 6.5 and 14% of the total energy dissipated during wave breaking.
UR - http://www.scopus.com/inward/record.url?scp=36348945315&partnerID=8YFLogxK
UR - http://dx.doi.org/10.1098/rspa.2007.1901
U2 - 10.1098/rspa.2007.1901
DO - 10.1098/rspa.2007.1901
M3 - Article
AN - SCOPUS:36348945315
SN - 1364-5021
VL - 463
SP - 3151
EP - 3170
JO - Proceedings of the Royal Society of London Series A - Mathematical Physical and Engineering Sciences
JF - Proceedings of the Royal Society of London Series A - Mathematical Physical and Engineering Sciences
IS - 2088
ER -