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CFD Based Analysis of the Effect of Multi-Hole\ud Pressure Probe Geometry on Flow Field\ud Interference

By Vihar Malviya, Rakesh Mishra, Edward Palmer and Bireswar Majumdar


Multi-hole pressure probes are extensively used to characterise three dimensional flows in difficult\ud applications [1,2]. These probes provide sufficiently accurate information about flow velocity.\ud They have the advantages of being, usable with high temperature fluids, simple to fit have\ud practically no additional flow losses\ud In this paper the influence of the probe geometry on the flow field disruption has been reported.\ud The values and ranges of variations of the flow field parameters in the model have been assessed\ud on the basis of the numerically computed velocity and pressure fields around and inside the probe\ud [3]. For this probe interior details have been modelled fairly accurately.\ud The flow field has been predicted using computational fluid dynamics and the characteristics\ud linking the degree of interference with probe head shape have been presented. The conclusions\ud have been formulated taking complex flow metrology needs into account

Topics: TJ
Publisher: Birla Institute of Technology
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