1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Compressible laminar streaks with wall suction
Rent:
Rent this article for
USD
10.1063/1.4807066
/content/aip/journal/pof2/25/5/10.1063/1.4807066
http://aip.metastore.ingenta.com/content/aip/journal/pof2/25/5/10.1063/1.4807066

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the physical domain.

Image of FIG. 2.
FIG. 2.

Wall suction velocities as a function of the free-stream velocity for different for aircraft cruise conditions along a wing at * = 0.5 m with = 30 000 Pa and = 238.15 K. At these conditions = 1 corresponds to = 311 m s.

Image of FIG. 3.
FIG. 3.

Profiles of (a) the streamwise mean flow and (b) the temperature at = 0.8 calculated through both the large wall suction asymptotic solutions with the Chapman viscosity law for different (expressions (12) – thick solid line) and the full numerical solution of (4) with a power-law viscosity.

Image of FIG. 4.
FIG. 4.

Large κ asymptotic scaled solutions for = 3 for the peak streamwise disturbance velocity (top row) and the peak disturbance temperature (bottom row).

Image of FIG. 5.
FIG. 5.

Top: Maximum values along η of streamwise velocity (left) and temperature (right) as functions of for = 3 and κ = 1 for different (suction cases). Bottom: Streamwise velocity (left) and temperature (right) profiles at for = 3 and κ = 1 for different (suction cases).

Image of FIG. 6.
FIG. 6.

Top: Maximum values along η of streamwise velocity (left) and temperature (right) as functions of for = 3 and κ = 1 for different (blowing cases). Bottom: Streamwise velocity (left) and temperature (right) profiles at for = 3 and κ = 1 for different (blowing cases).

Image of FIG. 7.
FIG. 7.

Top: Maximum values along η of streamwise velocity (left) and temperature (right) as functions of for = 0.8 and κ = 1. Bottom: Streamwise velocity (left) and temperature (right) profiles at for = 0.8 and κ = 1. The values are set so that values are equal to the Mach-3 cases in Figure 5 .

Image of FIG. 8.
FIG. 8.

Wall-normal η locations of maximum and of maximum for  → 0 as function of δ for the cases in Figures 5 and 7 .

Image of FIG. 9.
FIG. 9.

Streamwise evolution of maximum streamwise velocity (left) and maximum temperature (right) for = 3 and κ = 0.05.

Image of FIG. 10.
FIG. 10.

Wall-normal profiles of (a) streamwise velocity , (b) wall-normal velocity , (c) spanwise velocity , and (d) temperature for = 3, κ = 0.02 at = 15 for different suction levels.

Image of FIG. 11.
FIG. 11.

Streamwise evolution of maximum streamwise velocity (left) and maximum temperature (right) for = 3 and κ = 0.02.

Image of FIG. 12.
FIG. 12.

Downstream evolution of and of growing disturbance for = 3, κ = 0.02 and different suction levels.

Image of FIG. 13.
FIG. 13.

The real (growth rate – solid lines) and imaginary (wavenumber – dashed line) parts of the ratio as functions of for = 3, κ = 0.02 in the no-transpiration case (left) and for = 0.1875 (right).

Image of FIG. 14.
FIG. 14.

Peak disturbance amplitudes of streamwise velocity (left) and temperature (right) for κ = 0.001 and = 3.

Image of FIG. 15.
FIG. 15.

Profiles of streamwise velocity for κ = 0.001 and = 3 at different downstream locations in the no-transpiration case (left) and with suction, = 3 (right).

Image of FIG. 16.
FIG. 16.

Profiles of temperature for κ = 0.001 and = 3 at different downstream locations in the no-transpiration case (left) and with suction, = 3 (right).

Image of FIG. 17.
FIG. 17.

Downstream evolution of growth rate (top) and wavenumber (bottom) of growing disturbance with κ = 0.0005 and = 3 for different suction levels. The curved marked by the dots are computed via the triple-deck dispersion relation (20) .

Tables

Generic image for table
Table I.

Maximum percentage relative errors , defined in (13) , between the asymptotic large suction profiles and the full numerically computed profiles for = 4.

Loading

Article metrics loading...

/content/aip/journal/pof2/25/5/10.1063/1.4807066
2013-05-29
2014-04-18
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Compressible laminar streaks with wall suction
http://aip.metastore.ingenta.com/content/aip/journal/pof2/25/5/10.1063/1.4807066
10.1063/1.4807066
SEARCH_EXPAND_ITEM