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Dokumententyp
Institution
Spezialsammlung
Sprache
- Englisch (4)
Autor
- Gromke, Christof (4)
- Lehning, Michael (3)
- Walter, Benjamin (3)
- Manes, Costantino (2)
- Guala, Michele (1)
- Leonard, Katherine (1)
- Ruck, Bodo (1)
Fachgebiet
Schlagwort
- A f : Roughness element frontal area (2)
- Drag partitioning (2)
- Wind tunnel (2)
- h : Roughness element height (2)
- ρ : Air density (2)
- σ : Ratio of roughness element basal to frontal area (2)
- τ R : Shear stress acting on roughness elements (2)
- $${-\overline {u^{\prime}w^{\prime}}}$$ : Kinematic Reynolds stress (1)
- $${\Phi}$$ : Force on single roughness element (1)
- $${\langle U_i \rangle}$$ : Spatiotemporally-averaged velocity inside the canopy (1)
- $${\nu \approx 1.5\times 10^{-5} {m}^{2} {s}^{-1}}$$ : Kinematic viscosity of air (1)
- $${\overline {{u}^{\prime}{w}^{\prime}}}$$ : Kinematic Reynolds stress (1)
- $${\psi}$$ : Percentage of time that threshold skin friction velocity is exceeded (1)
- $${\tau = \rho u_*^2}$$ : Total shear stress on entire canopy (1)
- $${\tau _S ^{\prime\prime}}$$ : Spatial peak surface shear stress (1)
- $${\tau _S^{\prime}}$$ : Spatial average surface shear stress on area S′ (1)
- $${\tau=\rho u_\ast^2 }$$ : Total shear stress averaged over whole canopy (1)
- $${\tau_{\rm s}^{\prime \prime}}$$ : Spatial peak of temporally-averaged surface shear-stress distribution (1)
- $${\xi}$$ : Normalized turbulence intensity (1)
- $${u_\ast=(\tau/\rho)^{1/2}}$$ : Friction velocity (1)
- $${u_{\tau}=(\tau_{\rm s}/\rho)^{1/2}}$$ : Skin friction velocity (1)
- A : Effective shelter area (1)
- Aeolian processes (1)
- Aerodynamic roughness length (1)
- Air quality (1)
- Boundary-layer flow (1)
- C R : Roughness element drag coefficient (1)
- C S : Surface drag coefficient (1)
- D : Average roughness element diameter (1)
- Hot-film anemometry (1) Mehr Weniger