Shear stress results from a mixed spectral finite-difference model: application to the Askervein Hill project data
Beljaars et al. (1987) developed a model for neutrally stratified boundary-layer flow over roughness changes and topography. It has been discovered that a constant parameter, alpha , was missing in the algebraic-stress closure equations of their paper. This omission also occurred in the MSFD model c...
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| Veröffentlicht in: | Boundary-layer meteorology 1990-04, Vol.51 (1-2), p.169-177 |
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| container_title | Boundary-layer meteorology |
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| creator | WALMSLEY, J. L PADRO, J |
| description | Beljaars et al. (1987) developed a model for neutrally stratified boundary-layer flow over roughness changes and topography. It has been discovered that a constant parameter, alpha , was missing in the algebraic-stress closure equations of their paper. This omission also occurred in the MSFD model code but only affects the Askervein Hill shear-stress results for the E- epsilon - tau turbulence closure in Beljaars et al. It also changes the stress results of Karpik (1988), but not his conclusions regarding the robustness of his improved numerical scheme. The present paper demonstrates the effect of the omission of the parameter, alpha , and tests the sensitivity of the model to variations in its value. The new results are compared with the data and model results of Zeman and Jensen (1987). |
| doi_str_mv | 10.1007/BF00120466 |
| format | Article |
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| language | eng |
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| subjects | Convection, turbulence, diffusion. Boundary layer structure and dynamics Earth, ocean, space Exact sciences and technology External geophysics Meteorology |
| title | Shear stress results from a mixed spectral finite-difference model: application to the Askervein Hill project data |
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