atmospheric modeling Applications

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  • Keyword: atmospheric modeling ×

Offering localized atmospheric and solar radiation output in order to model & manage energy use for energy sector

by Weather Analytics     based in Bethesda, MARYLAND (USA)

Energy providers, engineers, universities and labs use Weather Analytics’ localized atmospheric and solar radiation output in order to model and manage energy use and consumption within buildings and profile new renewable-energy sites. Weather Analytics provides solution-ready, statistically stable climate data, including hard-to-find variables. We provide global geographic coverage and easy access to comprehensive climate intelligence, including on demand Typical Meteorological Year (TMY) and Actual Meteorological Year (AMY) climate files for simulation and modeling.

Measurement solution for to multi-stream by-pass system

by Protea Limited     based in Middlewich, UNITED KINGDOM

A large pharmaceutical plant runs a Thermal Oxidiser on plant to incinerate their solvent-containing gas streams before emission. When the oxidiser is offline, then the plant must monitor the release of solvent to the atmosphere. A ProtIR 204C fixed monitoring system was installed that continually measures 24 plant solvents, including Acetone, Cyclohexane, DCM, DMF, IPA, MIBK, Toluene and THF. Given the high levels that are possible, the system has an active dilution system, reducing the concentration of the measured gas in the analyser to levels that can be analysed simply. Chemometric modelling enables interferences from the overlapping absorption spectra to be accounted for, ensuring accurate analysis of all 24 gases.

Low level measurement of VOCs and Terpenes close to the sea and the Landes Forest

by Chromatotec Group     based in Val de Virvée, FRANCE

It has been established that organic aerosol (OA) makes up for a major fraction of fine particulate matter in all region of the atmosphere. This fraction accounts approximately for half of the total PM2.5 dry mass.1,2 Primary OA is directly emitted in the troposphere from anthropological and natural sources whereas secondary OA (SOA) is formed in-situ in the atmosphere from the oxidation of biogenic or anthropogenic gas-phase precursors and subsequent partitioning of the less volatile products into the particle phase. The current number is that, on a global scale, SOA would represent around 60% of the overall OA.3 However, recent global mass-balance estimations for the removal of volatile organic compounds (VOC) suggest that this number could under-predicts SOA production.4 Recent field measurements in urban locations are also in support of a larger share, indicating that SOA is the dominant fraction of OA, with amounts considerably 20 greater than models predictions.

Mercury monitoring for measuring mercury speciation in air

by Tekran Instruments Corporation     based in Knoxville, TENNESSEE (USA)

Tekran offers the only completely integrated, automated system for measuring mercury speciation in air. The Tekran 2537, when coupled to the Model 1130 and Model 1135 provides a continuous record of gaseous elemental mercury, gaseous oxidized mercury and particle-bound mercury. Over the past 12 years, the Tekran 2537-1130-1135 system has been the most significant tool used to advance the understanding of the fate and transport of atmospheric mercury. See the Expert’s Corner for details about international networks using the Tekran Atmospheric Mercury Speciation System.

Biogas monitoring

by Banner Engineering Corp.     based in Diegem, BELGIUM

meet governmental regulations, it is important to accurately monitor methane gas production, removal, venting, and burning. Knowledge of both methane flow and temperature at the flare stack can define when CH4 is being emitted to the atmosphere. The DX99 FlexPower™ Nodes can be installed in EX area with a Zone 0 ATEX certification. Use the analogue input to determine methane production levels and flow and use the thermocouple model to measure the temperature of a vent to verify the continuous combustion of methane.

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