ANALYTIC METHOD FOR PRESSURE RECOVERY IN TRUNCATED DIFFUSERS
DOI:
https://doi.org/10.4314/njt.31.337Abstract
A prediction method is presented for the static pressure recovery in subsonic axisymmetric truncated conical diffusers. In the analysis, a turbulent boundary layer is assumed at the diffuser inlet and a potential core exists throughout the flow. When flow separation occurs, this approach cannot be used to predict the maximum pressure location. The analysis can easily be modified to accommodate two-dimensional diffuser and conical diffusers fitted with tailpipes. The predicted overall static pressure recovery compares favorably with available experimental results and agreement is generally within ±5 per cent.
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