26 Jan 2017

Experimental evaluation of the flux chamber technique to determine VOC emissions from a water surface

Report no. 3/17: Tests have been undertaken under controlled conditions in a wind tunnel to compare the emission fluxes from an open tank containing an aqueous toluene solution with those determined using a lux chamber mounted on the water surface. The tests showed that the flux chamber under-estimated the toluene emission fluxes by approximately a factor of two.

This result was the same for two concentrations of toluene in the aqueous solution and for the range of flux chamber sweep air flows tested.

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