Abstract
Abstract In order to model recoil motion of artillery elaborately, the pneumatic recuperator was modelled and analyzed by thermodynamic theory, and a recuperator force model based on energy equation was proposed. The thermal power, mechanical power and gas equation of state were considered. Comparison with the classical recuperator force model based on polytropic process, the change of gas state with time is directly considered in this model. The effectiveness of the model was verified based on firing experiment data of a soft recoil artillery, and numerical analysis was carried out based on a normal recoil artillery. The results show that the recuperator force model based on energy equation can describe the hysteretic nonlinear properties of the gas state, and can predict the changes of gas pressure and temperature at the end of firing process relative to the start.
Published Version
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