Pressure probes for fluid measurement
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Cited by (190)
Revisit the Pitot static tubes in the standards
2021, Flow Measurement and InstrumentationCitation Excerpt :For these two types of Pitot tubes, they saw that the calibration factor varied within ±0.1% or ±0.2% at speeds above 4 m/s; the maximum variation of the calibration factor is ±0.5% in the speed range of 1.8 m/s to 3.7 m/s, and the calibration factor varies from ±1% to ±2% at speeds lower than 1.2 m/s. On the other hand, Care and Fourneaux [10] found out that the pressure response depends on the design of the Pitot tube, and the resistance of the static pressure line mainly related to unexpected fluctuations of flow. Chue [11] briefly outlined the generalized dimensions of several common Pitot tubes and discussed factors that cause measurement errors. However, no quantitative suggestion related to the calibration factor was given.
Static pressure measurement error for wall taps with high Reynolds number turbulent pipe flow
2021, Flow Measurement and InstrumentationCitation Excerpt :For flow measurements using an orifice plate, nozzle, Venturi meter, pitot tube or similar, the differential pressure is generally measured through a wall tap. Well-known sources of static pressure measurement error are edge roundness or burrs on the wall tap corner and the inclination of the wall tap [1,2]. However, even if the wall tap is manufactured to be perpendicular to the wall and its edges are sufficiently sharp, a static pressure measurement error is induced due to cavity flow within the tap [3].
Aerodynamical behavior of spherical debris in the supersonic and rarefied wind tunnel MARHy
2020, Journal of Space Safety EngineeringCitation Excerpt :A 3-axis traversing system controlled by a computer ensures the displacement of the Pitot probe with a step resolution on each axis of 0.12 mm ± 0.02 mm on each position. Despite low pressure conditions, no orifice corrections due to viscous effects have to be applied to the pressure measurements probes [20,21] Fig. 3. Commonly techniques such as PIV or Schlieren used to visualize flow fields around models cannot be applied because of the low pressure operating conditions, especially for the N1 and N2 nozzles.
Performance analysis of a rotating detonation combustor based on stagnation pressure measurements
2020, Combustion and FlameImpact of sensor housing geometries on transient stagnation pressure measurements in impulse facilities
2019, Experimental Thermal and Fluid ScienceCitation Excerpt :The measured pitot pressure is normally used to derive the flow velocity or the volumetric flow rate in steady/quasi-steady flows [1,2]. Folsom [5] and Chue [6] provided comprehensive reviews of the Pitot tube technique, and summarized various tube designs and calibration methods. However, the response rate of conventional Pitot tubes is too low for the transient pressure measurement in impulse facilities.
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