0
TECHNICAL PAPERS

Solution Structure and Stability of Viscous Flow in Curved Square Ducts

[+] Author and Article Information
Tianliang Yang, Liqiu Wang

Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong

J. Fluids Eng 123(4), 863-868 (Jun 05, 2001) (6 pages) doi:10.1115/1.1412457 History: Received February 09, 2000; Revised June 05, 2001
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Physical problem and coordinate system
Grahic Jump Location
Solution branches and their connectivity for the flow through the stationary curved duct of square cross-section at σ=0.02,Pr=0.7 (dimensionless velocity in r direction at r=0.9,z=0.14 vs. Dk). (a) Connectivity between S1 and A1, (b) four limit points on A1, (c) connectivity between S2 and A2, (d) connectivity between S2 and A3, (e) connectivity between S2 and A4
Grahic Jump Location
The flow patterns at Dk=180/550,σ=0.02,Pr=0.7. (a) Dk=180 on S11,De=123.4, (b) Dk=550,De=274 on S1−3, (c) Dk=550,De=290 on A1−1, (d) Dk=550,De=279 on S2−1, (e) Dk=550,De=289 on S2−2, (f ) Dk=550,De=291 on S2−3 (g) Dk=550,De=288 on S2−4
Grahic Jump Location
The secondary flow patterns at Dk=700,σ=0.02,Pr=0.7. (a) Re=2328,De=329 on S1−3, (b) Re=2447,De=346 on A1−1, (c) Re=2345,De=332 on S2−1, (d) Re=2402,De=340 on S2−4, (e) Re=2400,De=339 on S2−5, (f ) Re=2410,De=341 on S2−6, (g) Re=2448,De=346 on A2−1, (h) Re=2399,De=339 on A4−1
Grahic Jump Location
Typical time evolution process in 0≤Dk≤191.27 at σ=0.02, and Pr=0.7: dynamic response of solution on S1−2 at Dk=180 to finite random disturbances: evolution to stable steady 2-cell state on S1−1
Grahic Jump Location
Typical time evolution process in 191.27<Dk≤375 at σ=0.02, and Pr=0.7: dynamic response of solution at Dk=300 on A1−1 to finite random disturbances: periodic oscillation (period=0.159)
Grahic Jump Location
Typical time evolution process in 375<Dk≤620 at σ=0.02, and Pr=0.7: dynamic response of solution at Dk=550 on S2−1 to finite random disturbances: evolution to stable steady 2-cell state on S2−2
Grahic Jump Location
Typical time evolution process in 620<Dk≤650 at σ=0.02, and Pr=0.7: dynamic response of solution at Dk=630 on S2−1 to finite random disturbances: intermittency
Grahic Jump Location
Typical time evolution process in 650<Dk≤800: dynamic response of the solution at Dk=800,σ=0.02, and Pr=0.7 on A3−1 to finite random disturbances: chaotic oscillation

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In