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Robin M. Robrecht and Peter F. Pelz
Grooved liquid annular seals have a significant influence on the design of turbomachines. Corresponding lubrication film models need to account for the different friction behavior of the grooves compared to plain seals. However, there is a lack of reliab...
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Andreas Strand, Ivar Eskerud Smith, Tor Erling Unander, Ingelin Steinsland and Leif Rune Hellevik
Uncertainty propagation is used to quantify the uncertainty in model predictions in the presence of uncertain input variables. In this study, we analyze a steady-state point-model for two-phase gas-liquid flow. We present prediction intervals for holdup ...
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Matteo Moioli, Christopher Reinbold, Kaare Sørensen and Christian Breitsamter
Wind tunnel models are traditionally machined from high-quality metal material; this condition reduces the possibility to test different geometric variations or models as it corresponds to incremental cost. In the last decade, the quality of additive man...
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Reinaldo A. Gomes, Julia Kurz and Reinhard Niehuis
Flow measurement using a linear compressor or turbine cascade is a well-established technique to characterize the flow in turbomachines with a certain degree of abstraction. A common way to obtain a general characterization of the flow is to measure the ...
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Yongqiang Liu, Scott Goodrick and Gary Achtemeier
Weather is an important factor that determines smoke development, which is essential information for planning smoke field measurements. This study identifies the synoptic systems that would favor to produce the desired smoke plumes for the Fire and Smoke...
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Sabine Bauinger, Andreas Marn, Emil Göttlich and Franz Heitmeir
For this study, measurements were carried out in a one-and-a-half stage test turbine. In order to characterize the flow field and to obtain steady flow quantities, five-hole probes are used in the rig in several measurement planes. Although a very high r...
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