For such applications, appropriate trained, qualified and accredited (SQEP) engineers / scientists should be consulted along with the appropriate documentation and engineering standards. The calculators are for educational and demonstrative purposes only and should not be used to analyse, design, accredit or validate real scientific / engineering / mathematical structures and flow systems. This calculator computes the height of the first mesh cell off the wall required to achieve a desired Y+ using flat-plate boundary layer theory. The calculators use a series of empirical correlations to obtain an engineering estimate of the quantities of interest.
#Computational fluid dynamics calculator verification
Hence, if you want to use the calculators or methods in the calculators yourself, you should check the original sources and equations themselves and implement them yourself in your own work (and follow the verification and validation processes adopted by your company / institution). (4), according to the average flow coefficient value of previous calculations gained, by formula, calculate the equivalent length value of valve. The calculators themselves (and the equations they use) have not been verified or checked and are likely to contain errors. The interaction of turbulence structures and shocks in the supersonic jet can be simulated using Computational Fluid Dynamics (CFD) based on the compressible form of the Navier-Stokes equations. Before using these calculators, it should be emphasised that unverified sources of information on the internet should not be trusted or relied upon. The picture shows a snap shot of the flow field generated when fluid leaves a convergent-divergent nozzle at supersonic conditions.
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