POD Analysis of Entropy Generation in a Laminar Separation Boundary Layer
Abstract
:1. Introduction
2. Experimental Facility
3. Dara Processing Method
3.1. POD Method
3.2. Estimation of Entropy Generation
3.3. Effect of Decomposition Region Size on POD
4. Results and Discussion
4.1. Time-Mean Flow Field
4.2. POD Analysis of Flow Field
4.3. Entropy Generation Analysis
4.3.1. Entropy Generation of Original Flow Field
4.3.2. Entropy Generation of POD Mode
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Nomenclature
Shape factor | |
Reynolds number | |
Entropy generation | |
Temperature | |
Instantaneous streamwise velocity | |
Streamwise velocity fluctuation () | |
Averaged streamwise velocity | |
Streamwise velocity of main flow | |
Instantaneous spanwise velocity | |
Spanmwise velocity fluctuation () | |
Averaged spanwise velocity | |
POD coefficients | |
Eigenvalue of POD | |
Basis function of POD | |
Density | |
Kinetic viscosity | |
Kinematic viscosity | |
Boundary layer thickness | |
Displacement boundary layer thickness | |
Momentum boundary layer thickness |
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Jin, C.; Ma, H. POD Analysis of Entropy Generation in a Laminar Separation Boundary Layer. Energies 2018, 11, 3003. https://doi.org/10.3390/en11113003
Jin C, Ma H. POD Analysis of Entropy Generation in a Laminar Separation Boundary Layer. Energies. 2018; 11(11):3003. https://doi.org/10.3390/en11113003
Chicago/Turabian StyleJin, Chao, and Hongwei Ma. 2018. "POD Analysis of Entropy Generation in a Laminar Separation Boundary Layer" Energies 11, no. 11: 3003. https://doi.org/10.3390/en11113003