Surface pressure measurements on a generic submarine hull form at high angles of incidence

2022 ◽  
Author(s):  
Md. Kareem Khan ◽  
Manu Korulla ◽  
Vishwanath Nagarajan ◽  
Om Prakash Sha
Keyword(s):  
Surface Pressure ◽  
Pressure Measurements ◽  
Hull Form ◽  
Submarine Hull

Surface pressure measurements in shock wave/boundary-layer interactions

1997 ◽  
Vol 11 (2) ◽  
pp. 164-172
Author(s):  
Yeol Lee ◽  
Sanjay Garg ◽  
Gary S. Settles
Keyword(s):  
Boundary Layer ◽  
Shock Wave ◽  
Surface Pressure ◽  
Pressure Measurements ◽  
Wave Boundary Layer ◽  
Wave Boundary

Aerodynamic Noise Characterization of a Full-Scale Wind Turbine through High-Frequency Surface Pressure Measurements

2015 ◽  
Vol 14 (5-6) ◽  
pp. 729-766 ◽  
Author(s):  
Franck Bertagnolio ◽  
Helge Aa. Madsen ◽  
Christian Bak ◽  
Niels Troldborg ◽  
Andreas Fischer
Keyword(s):  
Wind Turbine ◽  
Surface Pressure ◽  
High Frequency ◽  
Full Scale ◽  
Aerodynamic Noise ◽  
Pressure Measurements ◽  
Noise Characterization

scholarly journals Fluctuating surface pressure measurements on USB wing:Two types of transducers

1975 ◽  
Vol 58 (S1) ◽  
pp. S45-S45
Author(s):  
James B. Reed ◽  
James A. Schoenster
Keyword(s):  
Surface Pressure ◽  
Pressure Measurements

scholarly journals Surface Pressure Measurements on Supercritical Airfoil Employing Pressure -Sensitive Paint

2012 ◽  
Vol 31 ◽  
pp. 1160-1167
Author(s):  
Qiang Zhou ◽  
Jian Xiong ◽  
Liusheng Chen ◽  
Husheng Ma ◽  
Yang Tao
Keyword(s):  
Surface Pressure ◽  
Pressure Measurements ◽  
Pressure Sensitive Paint ◽  
Supercritical Airfoil ◽  
Pressure Sensitive

Correlation and Interpretation of Microseismic Responses using Pressure Measurements in Offset Observation Wells

2015 ◽  
Author(s):  
Robert Downie ◽  
Joel Le Calvez ◽  
Barry Dean ◽  
Jeff Rutledge
Keyword(s):  
Surface Pressure ◽  
Source Parameters ◽  
Reservoir Pressure ◽  
Pressure Measurements ◽  
Observation Well ◽  
Fracture Pressure ◽  
Microseismic Data ◽  
Pressure Depletion ◽  
Microseismic Events ◽  
Observation Wells

Abstract Interpretation of the microseismic data acquired during hydraulic fracture treatments is based on a variety of techniques that make use of the locations, times, and source parameters of the detected events, in conjunction with the stimulation treatment data. It is sometimes possible to observe trends or changes in the microseismic data that correspond to the surface pressure measurements; however this aspect of interpretation becomes problematic due the variability of fluid friction, slurry density, perforation restrictions, and other near-wellbore pressures when computing bottom hole fracturing pressure. An interpretation technique is proposed that uses pressure measurements in observation wells that are offset to the treatment well during microseismic interpretations. The observation well can be any well with open perforations in close proximity to the treatment well. The observation well pressures are not affected by the many complicating factors that are encountered when estimating pressure in the fracture from the surface pressure measured in the treatment well. Example data from field observations are used to demonstrate that the detection of microseismic events near an observation well and corresponding detection of fluid pressure from the fracture in the observation well validates the calculated event locations. The relationship between fracture pressure, the state of stress, and microseismic responses is discussed using Mohr-Coulomb failure criteria. Observation-well pressures and microseismic events are also used to identify instances where reservoir pressure depletion near the observation well affects surface operations at the treatment well. The results of the study show that reliable measurements of fracture pressure for use in microseismic interpretations can be obtained from offset observation wells, and where reservoir pressure depletion causes deviations from expected fracture behavior. The results also show that microseismic responses are directly related to fracture pressure, and not simply the presence of fracturing fluid itself, leading to an improved understanding of the conditions under which microseismic events occur.

A Comparison of On-Track and Wind Tunnel Surface Pressure Measurements on a Compact SUV

2003 ◽  
Author(s):  
Andrew A Lawson ◽  
Robert G Dominy ◽  
Andrew Sheppard
Keyword(s):  
Wind Tunnel ◽  
Surface Pressure ◽  
Pressure Measurements

Time-Averaged Heat Transfer and Pressure Measurements and Comparison With Prediction for a Two-Stage Turbine

1994 ◽  
Vol 116 (1) ◽  
pp. 14-22 ◽  
Author(s):  
M. G. Dunn ◽  
J. Kim ◽  
K. C. Civinskas ◽  
R. J. Boyle
Keyword(s):  
Surface Pressure ◽  
Space Shuttle ◽  
Three Dimensional ◽  
Stanton Number ◽  
Navier Stokes ◽  
Pressure Measurements ◽  
Two Stage ◽  
Pressure Transducers ◽  
Pressure Distributions ◽  
Main Engine

Time-averaged Stanton number and surface-pressure distributions are reported for the first-stage vane row and the first-stage blade row of the Rocketdyne Space Shuttle Main Engine two-stage fuel-side turbine. These measurements were made at 10, 50, and 90 percent span on both the pressure and suction surfaces of the component. Stanton-number distributions are also reported for the second-stage vane at 50 percent span. A shock tube is used as a short-duration source of heated and pressurized air to which the turbine is subjected. Platinum thin-film gages are used to obtain the heat-flux measurements and miniature silicone-diaphragm pressure transducers are used to obtain the surface pressure measurements. The first-stage vane Stanton number distributions are compared with predictions obtained using a quasi-three dimensional Navier–Stokes solution and a version of STAN5. This same N–S technique was also used to obtain predictions for the first blade and the second vane.

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