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Indirect Flux

Indirect Flux

The indirect flux method is used for emission assessments of gases that cannot be directly measured by (SOF or SkyDOAS or other sensors). Indirect flux relies on measured gas-ratios in the same plume as quantified by SOF. The mass concentrations (mg/m3) are measured downwind, usually with a mobile monitor (MeFTIR or MeDOAS). From the plume integrated mass ratio of the “tracer-gas” (measured by SOF) and the “target-gas”, the emission rate of the “target-gas” can be retrieved. The method assumes that the target gas and the tracer gas have the same origin and are dispersed similarly. Parallel measurements of SOF and MeFTIR/MeDOAS are advantageous.

FluxSense_indirect_flux

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FluxSense AB was founded in 2001 to fill a need for reliable diffuse emissions measurements for the petroleum and petrochemical industry. Since then, FluxSense has conducted well over 100 measurement campaigns of industrial and agricultural emissions in Europe, America and Asia.

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