Statistical properties of neutrally and stably stratified boundary layers in response to an abrupt change in surface roughness
Shan-Shan Ding,
Matteo Carpentieri,
Alan Robins
et al.
Abstract:We conducted experimental investigations on the effect of stable thermal conditions on rough-wall boundary layers, with a specific focus on their response to abrupt increases in surface roughness. For stably stratified boundary layers, a new analytical relation between the skin-friction coefficient,
$C_f$
, and the displacement thickness was proposed. Following the sharp roughness change, the overshoot in
$C_f$
is slightly enhanced in stably stratified lay… Show more
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