Abstract: There are much coal with low content of volatile matter (Vad < 20%), high content of ash (Aad > 50%), low heating caloric (∼10,000 kJ/kg) in China. It is very important to study ...

Abstract: Nayfeh and Mook (1977) presented a multiple scale analysis on the parametric resonance of a non-gyroscopic system with multiple degrees of freedom. This Note extends their method to the case ...

Abstract: The reliability of submersible motors is directly related to the operational life of offshore oil-gas resources exploration and development equipment, crude oil production, and drilling costs. Temperature field model and ...