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Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure.

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Presentation on theme: "Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure."— Presentation transcript:

1 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Geometry of DNS computational domain for turbulent channel flow with rotation in the spanwise direction Figure Legend:

2 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 One-dimensional energy spectra along the streamwise axis for case A (Rob=0). Solid: E uu ; dash-dot: E vv ; dotted: E ww ; and dashed: Kolmogorov −5/3 spectrum. Figure Legend:

3 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Verification of DNS data for case A (Rob=0): (a) (u1′u1′¯+)1/2, (b) (u2′u2′¯+)1/2, (c) (u3′u3′¯+)1/2, and (d) u1′u2′¯+. Black: DNS; red: Kasagi and Nishino [18]; and square: Kreplin and Eckelmann [17]. Figure Legend:

4 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Mean velocity distributions with 2Ω lines for full simulation cases A–D. Black: case A (Rob=0); red: case B (Rob=0.2); blue: case C (Rob=0.5); and magenta: case D (Rob=0.9). −−−: 2Ω lines. Figure Legend:

5 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Mean temperature distributions for full simulation cases A–D. Black: case A (Rob=0); red: case B (Rob=0.2); blue: case C (Rob=0.5); and magenta: case D (Rob=0.9). Figure Legend:

6 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Instantaneous ωx′ map for a y–z section at x=2π: (a) case A (Rob=0), (b) case B (Rob=0.2), and (c) case C (Rob=0.5) Figure Legend:

7 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Time-averaged v and w velocity vectors for a y–z section at x=2π: (a) case A (Rob=0), (b) case B (Rob=0.2), and (c) case C (Rob=0.5) Figure Legend:

8 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled Reynolds stress profiles for case D (Rob=0.9): (a) u1′u1′¯+, (b) u2′u2′¯+, (c) u3′u3′¯+, and (d) u1′u2′¯+. Black: DNS; red: linear eddy viscosity model [20]; and blue: nonlinear eddy viscosity model [8]. Figure Legend:

9 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled Reynolds stress profiles for case A (Rob=0): (a) u1′u1′¯+, (b) u2′u2′¯+, (c) u3′u3′¯+, and (d) u1′u2′¯+. Black: DNS; blue: PRDO; green: SG; red: GI; and magenta: GWJ. Figure Legend:

10 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled Reynolds stress profiles for case B (Rob=0.2): (a) u1′u1′¯+, (b) u2′u2′¯+, (c) u3′u3′¯+, and (d) u1′u2′¯+. Black: DNS; blue: PRDO; green: SG; red: GI; and magenta: GWJ. Figure Legend:

11 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled Reynolds stress profiles for case C (Rob=0.5): (a) u1′u1′¯+, (b) u2′u2′¯+, (c) u3′u3′¯+, and (d) u1′u2′¯+. Black: DNS; blue: PRDO; green: SG; red: GI; and magenta: GWJ. Figure Legend:

12 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled Reynolds stress profiles for case D (Rob=0.9): (a) u1′u1′¯+, (b) u2′u2′¯+, (c) u3′u3′¯+, and (d) u1′u2′¯+. Black: DNS; blue: PRDO; green: SG; red: GI; and magenta: GWJ. Figure Legend:

13 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled pressure–strain budget term profiles for case A (Rob=0): (a) Π11, (b) Π22, (c) Π33, and (d) Π12. Black: DNS; red: SG; and blue: GI. Figure Legend:

14 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled pressure–strain budget term profiles for case B (Rob=0.2): (a) Π11, (b) Π22, (c) Π33, and (d) Π12. Black: DNS; red: SG; and blue: GI. Figure Legend:

15 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled turbulent heat flux profiles for cases A (Rob=0) and B (Rob=0.2): (a) u1′θ′¯+ (case A), (b) u2′θ′¯+ (case A), (c) u1′θ′¯+ (case B), and (d) u2′θ′¯+ (case B). Black: DNS; red: YWL; and blue: SA. Figure Legend:

16 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled turbulent heat flux profiles for cases C (Rob=0.5) and D (Rob=0.9): (a) u1′θ′¯+ (case C), (b) u2′θ′¯+ (case C), (c) u1′θ′¯+ (case D), and (d) u2′θ′¯+ (case D). Black: DNS; red: YWL; and blue: SA. Figure Legend:

17 Date of download: 7/10/2016 Copyright © ASME. All rights reserved. From: Simulation of Rotating Channel Flow With Heat Transfer: Evaluation of Closure Models J. Turbomach. 2016;138(11):111009-111009-15. doi:10.1115/1.4033463 Modeled pressure–temperature gradient profiles for cases A (Rob=0) and B (Rob=0.2): (a) Π1θ (case A), (b) Π2θ (case A), (c) Π1θ (case B), and (d) Π2θ (case B). Black: DNS; red: YWL; and blue: SA. Figure Legend:


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