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ABSTRACTHydrogen sulphides is a dangerous gas in the work place. It is toxic at sub part per million (ppm) level and at higher concentrations, it can lead to death. It is necessary to develop a sensor that can detect, monitor and control the gas concentrations. Hybrid composite conducting polymers has shown promising features and performance for the purpose. This study examines the effect of humidity on the performance of polyaniline gold composite using ASPEN HYSYS software. The mass heat capacity was obtained for various humidity levels and the thermal conductivity was calculated. The relationship between the percent humidity and thermal conductivity was established. Results indicate a strong correlation between the percent humidity and thermal conductivity of the composite. The effect of humidity on the performance of polyaniline gold hybrid composite was negligible over the range of humidity levels.
