Dynamics features of biological rheology in mass species and thermal energy utilizing two viscosity models over heated disc

Nazir, Umar; Mukdasai, Kanit

doi:10.1016/j.csite.2023.102721

Cited by 6 publications

(2 citation statements)

References 23 publications

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Section: Introductionmentioning

confidence: 99%

“…All problems involving fluid flow 29,30 , heat exchange, molecular transport 31 , and other phenomena can be analyzed and simulated almost by means of computational fluid dynamics. CFD is being used to solve a lot of difficult real-world problems [32][33][34] , and is playing an important role as a research tool in aeronautics, nano-materials 35,36 , national defense, etc. 37,38 .Using the software Ansys Fluent in Computational Fluid Dynamics, with the help of Ansys Fluent, you can create advanced physical models and analyze a variety of fluid phenomena so that all the work is done in the same customizable intuitive space.…”

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confidence: 99%

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Numerical simulation and experiment of double chamber brake based on CFD

Yuhao,

Pu,

Qiang

2023

Sci Rep

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The artillery firing process will instantly produce high-temperature and high-pressure gunpowder gas, this process will produce shock waves. The gunpowder gas has a limited effect on the projectile during the firing and ballistic after-effects period, however, it has a very obvious effect on the stability of the gun body, and the reduction of the stability of the gun body directly affects the firing accuracy and the safety of the firing personnel. Based on the method of Computational Fluid Dynamics (CFD), numerical simulation is carried out, and the structure and flow parameters of the muzzle flow field are obtained by using three-dimensional Euler's control equation, gas equation of state, and k-epsilon model, as well as dynamic mesh technology. By comparing the flow parameters of the brake before and after optimization, and analyzing the results obtained from the 8-round firing experiments, the efficiency of the optimized brake is increased by 8.2%, and the deviation between the experimental data and the simulation results is only 10.5%, which not only verifies the accuracy of the numerical simulation calculations but also verifies the optimized brake's good retracting effect. The results of the study can provide a reference for the optimization and design of the double-chamber brake.

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