roughness
81Asperities — Asperity As*per i*ty, n.; pl. {Asperities}. [L. asperitas, fr. asper rough: cf. F. asp[ e]rit[ e].] 1. Roughness of surface; unevenness; opposed to {smoothness}. The asperities of dry bodies. Boyle. [1913 Webster] 2. Roughness or harshness of… …
82Asperity — As*per i*ty, n.; pl. {Asperities}. [L. asperitas, fr. asper rough: cf. F. asp[ e]rit[ e].] 1. Roughness of surface; unevenness; opposed to {smoothness}. The asperities of dry bodies. Boyle. [1913 Webster] 2. Roughness or harshness of sound; that… …
83Harmony — This article is about musical harmony and harmonies. For other uses of the term, see Harmony (disambiguation). Disharmony redirects here. For the episode of Angel, see Disharmony (Angel) …
84Log wind profile — The Log wind profile is a semi empirical relationship used to describe the vertical distribution of horizontal wind speeds above the ground within the atmospheric surface layer. The relationship is well described in the planetary boundary layer… …
85Pressure drop — For other uses, see Pressure Drop (disambiguation). Pressure drop is a term used to describe the decrease in pressure from one point in a pipe or tube to another point downstream. Pressure drop is the result of frictional forces on the fluid as… …
86Thermal contact conductance — In physics, thermal contact conductance is the study of heat conduction between solid bodies in thermal contact. The thermal contact conductance coefficient, hc, is a property indicating the thermal conductivity, or ability to conduct heat,… …
87Contact mechanics — Continuum mechanics …
88Scattering from rough surfaces — Surface roughness scattering or interface roughness scattering is the elastic scattering of a charged particle by an imperfect interface between two different materials. It is an important effect in electronic devices which contain narrow layers …
89climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
90Friction — For other uses, see Friction (disambiguation). Classical mechanics …
