Similarity theory - Encyclopedia of Mathematics
2024年1月4日 · Two physical phenomena are similar if the numerical values for the characteristics of one phenomenon enable one to derive the numerical values for the characteristics of the other by a simple conversion which is analogous to transferring from one system of units of measurement to another.
Lecture 6. Monin-Obukhov similarity theory (Garratt 3.3) In this lecture… • Similarity theory for wind and scalar profiles in stratified surface layers. • Stability correction to bulk surface-air transfer coefficients. Stability correction to vertical profiles in the surface layer
50 Years of the Monin–Obukhov Similarity Theory
2006年7月20日 · This historical survey shows that Obukhov’s 1946 fundamental paper on a universal length scale for exchange processes in the surface layer was the basis for the derivation of the similarity theory by Monin and Obukhov in 1954.
Monin-obukhov similarity theory - Glossary of Meteorology
2024年3月29日 · A relationship describing the vertical behavior of nondimensionalized mean flow and turbulence properties within the atmospheric surface layer (the lowest 10% or so of the atmospheric boundary layer) as a function of the Monin–Obukhov key parameters.
Similarity Theory - an overview | ScienceDirect Topics
2011年1月9日 · Similarity Theory is defined as a theory based on the arrangement of dimensionless groups of variables in functional relationships to the flow field, with a reduced number of variables for easy application, particularly in the study of wind speed, temperature, humidity, and turbulence levels in the surface layer.
Similarity Theory - SpringerLink
Similarity theory provides a way to organize and group the variables to our maximum advantage, and in turn provides guidelines on how to design experiments to gain the most information.
Generalizing Monin-Obukhov Similarity Theory (1954) for …
2023年3月24日 · Monin-Obukhov similarity theory (MOST) forms the basis for parametrizations of turbulent exchange in virtually all numerical models of atmospheric flows. Yet, its limitations to flat and horizontally homogeneous terrain have plagued the theory since its inception.
Monin-Obukhov (MO) Similarity • How does Buckingham Pi theorem apply to the porHon of the atmospheric boundary layer nearest the (flat, horizontally homogeneous) surface? – “Surface layer” or “constant flux layer” occupies roughly lowest 10% of BL (AMS Glossary) • More complex than the pipe flow example because we
[PDF] Monin–Obukhov similarity theory | Semantic Scholar
Monin–Obukhov (M–O) similarity theory describes non-dimensionalized mean flow and mean temperature in the surface layer under non-neutral conditions as a function of the dimensionless height parameter, [1] named after Russian scientists A. S. Monin and A. M. Obukhov.
50 Years of the Monin–Obukhov Similarity Theory - ResearchGate
2006年6月1日 · When buoyancy effects are important, the universal velocity log law is typically believed to break down according to Monin-Obukhov similarity theory (MOST), which has been used in almost all ...
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