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Keywords: loss model
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Proceedings Papers

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A016, June 13–17, 2022
Paper No: GT2022-82688
... Integer Nonlinear Programming), including either Soderberg or Traupel loss models. This model formulation allows the use of the gradient/Hessian information of both constraints and objective function, speeding-up the optimization process. Moreover, it allows using “Spatial Branch-and-Bound” optimization...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A044, September 21–25, 2020
Paper No: GT2020-15172
... of axial-flow compressors, is heavily dependent on the accuracy and robustness of empirical prediction models, mainly the deviation models and loss models. A large number of such models have been developed, however, a comprehensive evaluation of their prediction capabilities was lacked yet. To carry out...
Proceedings Papers

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T22A002, September 21–25, 2020
Paper No: GT2020-15219
... at part load, typically realized by a partial admission control, which is challenging to predict numerically. Full annulus computation can only be avoided applying empirical partial admission loss models to conventional full-admission computations. This article aims at assessing the reliability...
Proceedings Papers

Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A018, September 21–25, 2020
Paper No: GT2020-14571
... are compared with the experimental data to verify the method presented in this paper. A discussion of the result then follows. Keywords: meanline; incidence angle; loss model; transonic compressor NOMENCLATURE Abbreviations 0D zero dimensional 1D one dimensional 3D three dimensional CDA controlled diffusion...
Topics: Compressors
Proceedings Papers

Proc. ASME. GT2007, Volume 3: Turbo Expo 2007, 183-193, May 14–17, 2007
Paper No: GT2007-27402
... 10 03 2009 The various incidence, deviation and loss models used in through-flow analysis methods, such as Streamline Curvature, are nothing more than statistical curve fits. A closer look at public domain data reveals that these statistical correlations and curve fits are usually...