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The present project is part of an effort towards the development of a ppblevel formaldehyde sensor system for indoor air quality. An electroceramic response model for a SnO 2 -NiO composite solid oxide sensing material of ntype conductivity inside the porous material is coupled with a transient flow field simulation of the delivery of a formaldehyde pulse to the sensor surface. Coupled volumetric CFD domains are used to examine the effects of the transport of formaldehyde from a preconcentratordoi:10.1260/1750-95184.108.40.206 fatcat:jxz4uq64lfcora2rvacdkkwcze