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Publicações
Bhardwaj, U., Teixeira, A.P. e Guedes Soares, C. (2018), “Availability assessment of a power plant working on Allam cycle”, Guedes Soares, C. & Santos T.A., (Eds.), Progress in Maritime Technology and Engineering, Taylor and Francis, London, UK, pp. 525-536
The availability of a power production system utilizing the Allam cycle is modelled and analysed. First, a Failure Mode and Effects Analysis is conducted to identify the main failure modes of system´s components. Generalized Stochastic Petri nets as dynamic model for supporting a Monte Carlo simulation are used to evaluate the availability of a test case of an Allam cycle system. The test case consists of a scenario of a power plant project using the Allam cycle, which can capture 100 % CO2 and therefore can be used in offshore oil and gas production units by reinjecting CO2 in the wells to maintain reservoir pressure. The failure data for the components are taken from OREDA that contains failure rates of offshore equipment. Simulation results on the availability of the system and other production parameter are obtained considering corrective maintenance alone. Finally, a parametric study demonstrates the effect of variation of mean time to failure and mean time to repair on system performance. This study can help in optimizing operation and maintenance actions in complex production systems.
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