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Heat and mass transfer inside a burning cigarette directly influence the level and chemical composition of its mainstream and sidestream emissions. During a 2-s 35mL model puffing regime, different thermophysical processes occur inside the burning coal as a result of forced air flow, including rapid temperature rise up to 900°C and a series of pyrolytic or oxidative reactions leading to the formation...
An experimental study was conducted to examined the combustion behaviour of reduced ignition propensity (RIP) cigarettes during smouldering and puffing phases. The internal gas-phase temperature of the burning tip (or coal) was systematically measured by using arrays of fine thermocouples accurately inserted around the RIP band. Both temperature and temperature gradient contours at up to 10Hz were...
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