Pneumatic pressure probes are well-mature measuring devices to characterize both pressure and velocity fields for external and internal flows. The measuring range of a particular probe is significantly influenced by important factors, like its geometry, the separation angle between the holes, the holes tapping or even flow conditions like separation and stagnation points or the local Reynolds number. Ideally, every pressure probe must be specifically designed for the particular application where it is needed. However, this procedure requires a detailed calibration of the probe for the whole expected range of velocities and incidences. This implies an important cost in both economic terms and operating times. Thus, the definition of an accurate numerical model for the design and calibration of pressure probes at different flow conditions is particularly desirable for these purposes. The first step towards the establishment of this useful methodology is the development of a reliable model to predict numerically the probe measuring characteristics. Thus, in this paper a numerical 3-D model is presented to characterize the calibration of a three-hole pneumatic pressure probe. In particular, a trapezoidal geometry with a 60 degree angle between the holes is considered here. The simulation of the flow incidence is carried out using the commercial code FLUENT, analyzing the influence of different mesh densities and turbulence models. The complete set of numerical cases includes different flow velocities and several yaw angles. The numerical results have been validated using experimental results obtained in a calibration facility, focusing on the definition of a numerical tool for the design and calibration of three-hole pneumatic probes under incompressible flow conditions.
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ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels
August 1–5, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4949-1
PROCEEDINGS PAPER
A Numerical 3-D Model of a Trapezoidal Three-Hole Pneumatic Pressure Probe for Incompressible Flow Available to Purchase
Katia Mari´a Argu¨elles Di´az,
Katia Mari´a Argu¨elles Di´az
Universidad de Oviedo, Gijo´n, Asturias, Spain
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Jesu´s Manuel Ferna´ndez Oro,
Jesu´s Manuel Ferna´ndez Oro
Universidad de Oviedo, Gijo´n, Asturias, Spain
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Eduardo Blanco Marigorta,
Eduardo Blanco Marigorta
Universidad de Oviedo, Gijo´n, Asturias, Spain
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Rau´l Barrio Perotti
Rau´l Barrio Perotti
Universidad de Oviedo, Gijo´n, Asturias, Spain
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Katia Mari´a Argu¨elles Di´az
Universidad de Oviedo, Gijo´n, Asturias, Spain
Jesu´s Manuel Ferna´ndez Oro
Universidad de Oviedo, Gijo´n, Asturias, Spain
Eduardo Blanco Marigorta
Universidad de Oviedo, Gijo´n, Asturias, Spain
Rau´l Barrio Perotti
Universidad de Oviedo, Gijo´n, Asturias, Spain
Paper No:
FEDSM-ICNMM2010-30713, pp. 159-167; 9 pages
Published Online:
March 1, 2011
Citation
Argu¨elles Di´az, KM, Ferna´ndez Oro, JM, Blanco Marigorta, E, & Barrio Perotti, R. "A Numerical 3-D Model of a Trapezoidal Three-Hole Pneumatic Pressure Probe for Incompressible Flow." Proceedings of the ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 2, Fora. Montreal, Quebec, Canada. August 1–5, 2010. pp. 159-167. ASME. https://doi.org/10.1115/FEDSM-ICNMM2010-30713
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