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To develop new instrument for bearing strength test, numerical simulation was carried out to study the reactive mechanism of unpaved road against the equipment load. Double-layer axisymmetrical model was built and load steps were properly disposed based on reality. Then strength reduction method was introduced in finite element analysis on the relationship between bearing strength and material parameter...
Based on the combustor model and experimental data of Ref.2, numerical simulations of three different combustor geometries presenting three situations with solid fuel regression were conducted using FLUENT software. The combustor inlet airflow had a Mach number of 1.5, total temperature of 1270 K and total pressure of 30 atm. The HTPB fuel and a global one-step reaction mechanism were used. The results...
Cold flowfleld of pitot SFRJ with three different nozzle throat diameters were simulated at M4.03 and M3.0 by FLUENT software. The flowfield characteristics and engine performances were obtained and analyzed. The results indicate that pressure data obtained by simulation have an overall agreement with those got by experiment. Pitot inlet at design or ideal mode operates with a tiny subcritical position,...
To multi-compressors refrigeration system, balancing oil is the key. With the FLUENT software, three-dimensional numerical simulations to a self-designed new type multi-compressors balancing oil device are made. By choosing the appropriate mathematical and physical model, the flow patterns inside the oil balancing device is obtained. Simulation results show that at air condition operation, because...
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