What is AERMOD model?
What is AERMOD model?
AERMOD Modeling System – A steady-state plume model that incorporates air dispersion based on planetary boundary layer turbulence structure and scaling concepts, including treatment of both surface and elevated sources, and both simple and complex terrain.
What is are the EPA’s preferred air quality dispersion models?
The current air quality dispersion modeling software preferred by both the EPA and CT DEEP for New Source Review (NSR) and PSD programs is the AERMOD Modeling System.
What is AERMOD used for?
AERMOD can simultaneously simulate many sources with different shapes, at ground or elevated, buoyant or non buoyant, emitting one or more pollutants. AERMOD is capable to account for the non homogeneous vertical structure of the boundary layer (also through the use of a vertical profile of meteorological variables).
What is CALINE4?
CALINE 4-A DISPERSION MODEL FOR PREDICTIONG AIR POLLUTANT CONCENTRATIONS NEAR ROADWAYS. A description of the California Line Source Dispersion Model, CALINE4, is given. The model uses traffic emissions, site geometry and meteorology to predict air pollutant concentrations near roadways.
What is Aerscreen?
AERSCREEN is the recommended screening model based on AERMOD. The model will produce estimates of “worst-case” 1-hour concentrations for a single source, without the need for hourly meteorological data, and also includes conversion factors to estimate “worst-case” 3-hour, 8-hour, 24-hour, and annual concentrations.
What does Aermet stand for?
AERMET is a meteorological data preprocessor for AERMOD. AERMET processes commercially available or custom on-site met data and creates two files: a surface data file and a profile data file. The tool AERSURFACE can be used to estimate the surface characteristics for input to AERMET. Model Code.
Is Aermet 100 stainless steel?
An age-hardenable alloy, AerMet® 100 is an ultra-high strength martensitic stainless steel. AerMet® 100 has high strength and superior toughness combined with exceptional ductility and hardness. The alloy is designed for components that need to have ultra-high strength.
What is AerMet 100 for?
The exceptional properties of hardness, FTT, tensile strength and ductility make this alloy a candidate for application such as landing gear, armor, fasteners, actuators, ordnance, jet engine shafts, drive shafts and structural tubing. AerMet 100 may be considered for use up to about 800° F (427° C).
What is the highest strength stainless steel?
High Strength The highest tensile strengths are seen in the martensitic (431) and precipitation hardening grades (17-4 PH). These grades can have strengths double that of TYPES 304 and 316, the most commonly used stainless steels.