1,721,179 research outputs found
ATMOSPHERIC FLOW FIELDS Theory, numerical methods and software tools
No full textThis volume is a collection of lectures on practical and theoretical aspects of
atmospheric flows over flat and complex terrain with applications to air pollution
and wind energy.
The lectures are the result of ten years of research on the dynamical behaviour of
the Planetary Boundary Layer that has a direct effect on the air quality and on the
boundary layer parameterization schemes used in local, regional and global
models.
It is divided into two main parts. The first, which comprises three chapters,
presents the structure of the Planetary Boundary Layer with emphasis in the
region adjacent to the ground, the Synoptic Mesoscale Meteorology and Coastal
Air Pollution and complex terrain Meteorology. The second, Chaps. 5 to 8,
discusses on the planetary boundary-layer (PBL) parameterization that is a key
issue for the definition of initial wind flow fields in diagnostic models,
meteorological prognostic models (RAMS, MM5, WRF), the estimation of the
lower atmospheric turbulence parameters by remote sensing technique, the
fundamentals of Air Pollution Mathematical Modelling, an analytical solution for
the nonstationary two-dimensional advection–diffusion equation to simulate the
pollutant dispersion in the planetary boundary layer (the GILTT solution of the
advection–diffusion equation), the selected case studies of complex terrain
meteorology and an estimation of the lower atmospheric turbulence parameters by
remote sensing tools.
In the appendix, will be found a complete list of available databases and software
will be followed.
The unique feature of this book is that beyond the theoretical treatments of the
analytical and numerical techniques, it includes a number of tools where the
techniques presented in the main part are implemented and can be run by the
reader. These practical tools can be used to easily test selected mathematical
formulation or performing a swift sensitivity analysis
Hot-wire transient method for liquid thermal conductivity measurement. Predictions for the families of alcohols and aldehydes
No full textThe representative day technique in the analysis of thermal comfort in outdoor urban spaces
No full textThe aim of this study is to evaluate the possibility of assessing the diurnal variation of PMV thermal comfort index by introducing the Representative Day technique in order to obtain information on correlation between thermal comfort and meteorological parameters. The representative day is constituted by the actual data of the day, in the considered period, where the sum of the mean-square differences among its evaluated or monitored quantities, averaged within each hour, and the same quantities for all other days at the same hour is minimised. This technique can prove to be a very important tool for identifying both anomalous and standard behaviours of comfort indices within the selected period in outdoor urban spaces. In this paper a preliminary evaluation of the methodology for the representative day of PMV index is presented
Liquid under pressure: an analysis of methods for thermal conductivity prediction and a general correlation
No full text
Predizione della viscosità dinamica delle sostanze allo stato liquido tra il punto di fusione e la temperatura critica
No full textIndividuazione di fenomeni di separazione dello strato limite su corpi aerodinamici operanti a bassi numeri di Reynolds mediante l’uso della Termografia
No full text"Le cose stanno così, così sarà sempre": Goethe e la volpe
No full textIl saggio ripercorre la storia dello testo di Goethe, indaga il ruolo che ha nella sua vastissima produzione e si sofferma sui temi centrali, collegandoli con altri studi in un'ottica di animal-studies
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