AnnularDiffuser1D is a one-dimensional flow model for annular diffusers that allows to use arbitrary equations of state and to account for the effects of area change, heat transfer, and friction. The model is documented in a peer-reviewed, open-access publication and the source code is also stored in a Zenodo repository.
AnnularDiffuser1D was implemented in MATLAB R2018a and requires a REFPROP v9.1 installation. The folder link_refprop_matlab contains instructions about how to link REFPROP with MATLAB.
The script AnnularDiffuser1D_demo.m is a commented example to get started with the code. Check the function AnnularDiffuser1D.m to see the implementation of the diffuser model.
AnnularDiffuser1D is licensed under the terms of the MIT license. See the license file for more information.
AnnularDifffuser1D was developed by PhD candidate Roberto Agromayor and Associate Professor Lars O. Nord at the Process and Power Research Group of the Norwegian University of Science and Technology (NTNU)
Please, drop us an email to roberto.agromayor@ntnu.no if you have questions about the code or you have a bug to report. We would also love to hear about your experiences with AnnularDiffuser1D in general.
If you want to cite AnnularDiffuser1D in a scientific publication, please refer to the Zenodo repository listed in the references below and use the DOI (permanent link).
R. Agromayor, and L. O. Nord, One-Dimensional Annular Diffuser Model for Preliminary Turbomachinery Design, International Journal of Turbomachinery, Propulsion and Power (submitted).
R. Agromayor, and L. O. Nord, AnnularDiffuser1D - A One-Dimensional Model for the Performance Prediction of Annular Diffusers, Zenodo repository.
E. W. Lemmon, M. L. Huber, and M. O. McLinden, NIST Standard Reference Database 23: Reference Fluid Thermodynamic and Transport Properties (REFPROP) version 9.1, National Institute of Standards and Technology, 2013.
