Relevant bibliographies by topics / Oil flow visualization

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Oil flow visualization'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Oil flow visualization"

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Lu, F. K. "Surface oil flow visualization." European Physical Journal Special Topics 182, no. 1 (April 2010): 51–63. http://dx.doi.org/10.1140/epjst/e2010-01225-0.

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Campbell, Bruce T., and Franklin M. Orr. "Flow Visualization for CO2/Crude-Oil Displacements." Society of Petroleum Engineers Journal 25, no. 05 (October 1, 1985): 665–78. http://dx.doi.org/10.2118/11958-pa.

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Abstract Results of visual observations of high-pressure CO2 floods are reported. The displacements were performed in two-dimensional (2D) pore networks etched in glass plates. Results of secondary and tertiary first-contact miscible displacements and secondary and tertiary multiple-contact miscible displacements are compared. Three displacements with no water present were performed in each of three pore networks:displacement of a refined oil by the same oil dyed a different color;displacement of a refined oil by CO2 (first-contact miscible); anddisplacement of a crude oil at a pressure above the minimum miscibility pressure. In addition, three tertiary displacements were performed in the same pore networks;displacement of the refined oil by water, followed by displacement by the same refined oil dyed to distinguish it from the original oil;tertiary displacement of the refined oil by CO2; andtertiary displacement of crude oil by CO2. In addition, recovery of oil from dead-end pores, with and without water barriers shielding the oil, was investigated. Visual observations of pore-level displacement events indicate that CO2 displaced oil much more efficiently in both first-contact and multiple-contact miscible displacements when water was absent. In tertiary displacements of a refined oil, CO2 effectively displaced the oil it contacted, but high water saturations restricted access of CO2 to the oil. The low viscosity of CO2 aggravated effects of high water saturations because the CO2 did not displace water efficiently. CO2 did, however, contact trapped oil by diffusing through water to reach, to swell, and to reconnect isolated droplets. Finally, CO2 displaced crude oil more efficiently than it did the refined oil in tertiary displacements. Differences in wetting behavior between the refined and crude oils appear to account for the different flow behavior. Introduction If high-pressure CO2 displaces oil in a one-dimensional (1D), uniform porous medium (in which the effects of viscous fingering are necessarily absent), the displacement efficiency is controlled by the phase behavior of the CO2/crude-oil mixtures. The conventional description of the effects of phase behavior was given by Hutchinson and Braun1 for vaporizing gas drives and was extended to CO2 systems by Rathmell et al.2 In a rigorous mathematical treatment of the flow of three-component mixtures. Helfferich3 proved that the displacement will develop miscibility if the oil composition lies outside the region of tie-line extensions on a ternary diagram. Helfferich's analysis was for 1D flows in which fluids are mixed well locally, and the effects of dispersion are absent. Sigmund et al.,4 Gardner et al.,5 and Orr et al.6 showed that results of slim-tube displacements, which are nearly 1D and come close to eliminating the effects of viscous instability, can be predicted quantitatively by 1D process simulations based on independent measurements of the phase behavior and fluid properties of the CO2/crude-oil mixtures. Thus there is good experimental confirmation that the simple theory of the effects of phase behavior on displacement performance describes accurately the behavior of flow in an ideal displacement, such as a slim tube. In a CO2 flood in reservoir rock, however, a variety of other factors will influence process performance. Because the viscosity CO2 is much lower than that of most oils, viscous instability will limit the sweep efficiency of the injected CO2. In addition, Gardner and Ypma7 predicted, based on 2D simulations of the growth of a viscous finger, that an interaction between viscous instability and phase behavior would lead to higher residual oil saturation in regions penetrated by a viscous finger. Pore-structure heterogeneity may also influence displacement efficiency. Spence and Watkins8 found that residual oil saturations after CO2 waterfloods increased as the heterogeneity of the core increased. Several investigators have reported that high water saturations can alter mixing between oil and injected solvent. Raimondi and Torcaso9 found, in displacements in Berea sandstone cores, that significant fractions of the oil phase could not be contacted by injected solvent when the water saturation was high. Thomas et al.10 reported that a portion of the nonwetting phase can exist in "dendritic" pores whose shapes were determined by the surrounding wetting phase. They argued that material in the dendritic pores mixed with fluid in the flowing fraction only by diffusion. Stalkup11 and Shelton and Schneider12 also investigated effects of mobile water saturations in miscible displacements. Stalkup found that the flowing fraction decreased as the water saturation increased. Shelton and Schneider reported that the presence of a second mobile phase slowed recovery of either phase, but the nonwetting phase was affected more strongly. In their tests, all of the wetting phase was recovered by a miscible displacement, but significant amounts of nonwetting phase remained unrecovered.
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KURATSUJI, Kazaki, Mutsuki SATAKE, and Akihiko AZETSU. "Visualization of Oil Film Flow Using Photochromism." Proceedings of Conference of Kanto Branch 2017.23 (2017): 603. http://dx.doi.org/10.1299/jsmekanto.2017.23.603.

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KITAJIMA, Ikkei, and Akihiko AZETSU. "Study on Flow Visualization of Oil Film." Proceedings of Mechanical Engineering Congress, Japan 2016 (2016): J0720202. http://dx.doi.org/10.1299/jsmemecj.2016.j0720202.

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YANAI, Eijiro, Naoto KASUYA, Syota KAI, and Akihiko AZETSU. "G071012 Study on Flow Visualization of Oil Filme." Proceedings of Mechanical Engineering Congress, Japan 2013 (2013): _G071012–1—_G071012–5. http://dx.doi.org/10.1299/jsmemecj.2013._g071012-1.

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AZETSU, Akihiko, Kenji SHIMIZU, and Genta KOBAYASHI. "G070064 Study on Flow Visualization of Oil Film." Proceedings of Mechanical Engineering Congress, Japan 2011 (2011): _G070064–1—_G070064–4. http://dx.doi.org/10.1299/jsmemecj.2011._g070064-1.

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SUGANUMA, Kentaro, Hoshio TSUJITA, Satoshi YAMAGUCHI, Akihiro YAMAGATA, and Natsuko MOTODA. "122 Oil Surface Flow Visualization in Radial Turbine." Proceedings of Conference of Tohoku Branch 2012.47 (2012): 50–51. http://dx.doi.org/10.1299/jsmeth.2012.47.50.

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AZETSU, Akihiko, and Ikkei KITAJIMA. "G0700603 Study on Flow Visualization of Oil Film : Photochromism of Oil." Proceedings of Mechanical Engineering Congress, Japan 2015 (2015): _G0700603——_G0700603—. http://dx.doi.org/10.1299/jsmemecj.2015._g0700603-.

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Xu, Jiu, and Pega Hrnjak. "Flow Visualization and Experimental Measurement of Compressor Oil Separator." SAE International Journal of Passenger Cars - Mechanical Systems 11, no. 5 (April 3, 2018): 377–88. http://dx.doi.org/10.4271/2018-01-0067.

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Su, Yaoxi. "Mechanism of sidewall effect studied with oil flow visualization." AIAA Journal 27, no. 12 (December 1989): 1828–30. http://dx.doi.org/10.2514/3.10344.

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Dissertations / Theses on the topic "Oil flow visualization"

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Tian, Qing. "Some Features of Tip Gap Flow Fields of a Linear Compressor Cascade." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/9673.

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This thesis presents some results from an experimental study of three-dimensional turbulent tip gap flows in the linear cascade wind tunnel, for two different tip gap clearances (t/c=1.65% and 3.3%). The experiments focus on near-wall flow field measurements for the stationary wall and moving wall, and static pressure measurement on the low end-wall for the stationary wall case. The representative flows were pressure driven, three-dimensional turbulent boundary layers in the linear cascade tunnel for the stationary wall case, and the combination of the pressure driven and shear driven flow for the moving wall case. Several experimental techniques are used in the studies: a three-orthogonal-velocity-component fiber-optic laser Doppler anemometer (3D-LDA) system, surface oil flow visualization, and a scanivalve system for static pressure measurement through pressure ports on the end-wall. From the details of the oil flow visualization pattern on the end-wall, some features of the passage flow, cross flow, and the tip leakage vortex in this cascade flow were captured. Oil flow visualization on the blade surface reveals the reattachment of the tip leakage vortex on the blade surface. The static pressure results on the lower end-wall and mid-span of the blade show huge pressure drop on the lower end-wall from the pressure side to the suction side of the blade and from mid-span to the lower end wall. The end-wall skin friction velocity is calculated from near-wall LDA data and pressure gradient data using the near-wall momentum equation. The statistics of Reynolds stresses and triple products in two-dimensional turbulent boundary layer and three-dimensional turbulent boundary layer was examined using a velocity fluctuation octant analysis in three different coordinates (the wall collateral coordinates, the mid tip gap coordinates, and the local mean flow angle coordinates). The velocity fluctuation octant analysis for the two-dimensional turbulent boundary layer reveals that ejections of the low speed streaks outward from the wall and the sweeps of high speed streaks inward toward the wall are the dominant coherent motions. The octant analysis for the three-dimensional turbulent boundary layer in the tip gap shows that the dominant octant events are partially different from those in the two-dimensional turbulent boundary layer, but ejection and sweep motions are still the dominant coherent motions. For the three-dimensional turbulent boundary layer in the moving wall flow, the near-wall shear flow reinforces the sweep motion to the moving wall and weakens the out-ward ejection motion in the shear flow dominant region. Between the passage flow and the shear flow, is the interaction region of the high speed streaks and the low speed streaks. This is the first time that the coherent structure of the three-dimensional turbulent boundary in the linear cascade tip gap has been studied.
Master of Science
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Perry, Michael. "The Effect of Freestream Turbulence on Separation at Low Reynolds Numbers in a Compressor Cascade." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/35834.

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A parametric study was performed to observe and quantify the effect of varying turbulence intensities on separation and performance in a compressor cascade at low Reynolds numbers. Tests were performed at 25o and 37.5o stagger angle, negative and positive angles of incidence up until the point of full stall, Reynolds numbers from 6 x 104 to 12.5 x 104, and turbulence intensities from approximately 0.7% â 8%. Additionally, oil flow techniques were combined with static tap data to visualize the boundary layer characteristics at various test conditions. The overall performance of the cascade was presented and evaluated through mass-averaged total pressure loss coefficients. The results of the study showed that the best efficiency (lowest pressure loss coefficient) was determined by separation characteristics for any angle of attack. While adding turbulence generally delayed separation, in some cases, adding turbulence to a separated airfoil resulted in decreased performance. Very similar separation characteristics were observed for the full range of Reynolds numbers and stagger, with the higher stagger setting giving slightly better performance. It was shown that a large percentage of total pressure losses can be recovered by applying the appropriate turbulence intensity at any angle of attack, which is relevant to possibilities for active control of such flows.
Master of Science
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Tian, Qing. "Near Wall Behavior of Vortical Flow around the Tip of an Axial Pump Rotor Blade." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/30062.

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This dissertation presents the results from an experimental study of three-dimensional turbulent tip gap flow in a linear cascade wind tunnel with 3.3% chord tip clearance with and without moving endwall simulation. Experimental measurements have been completed in Virginia Tech low speed linear cascade wind tunnel. A 24" access laser-Doppler velocimeter (LDV) system was developed to make simultaneous three-velocity-component measurements. The overall size of the probe is 24"à 37"à 24"and measurement spatial resolution is about 100 μm. With 24" optical access distance, the LDV probe allows measurements to be taken from the side of the linear cascade tunnel instead of through the bottom of the tunnel floor. The probe has been tested in a zero-pressure gradient two-dimensional turbulent boundary layer. Experimental measurements (oil flow visualization, pressure measurement, and LDV measurement) for the stationary wall captured the major flow structures of the tip leakage flow in the linear compressor cascade, such as tip leakage vortex, tip leakage vortex separation and tip separation vortex. Large velocity gradients in the tip leakage vortex separation, tip leakage vortex, and tip separation vortex regions generate large production of the Reynolds stresses and turbulent kinetic energy. One of the most interesting features of the tip leakage flow is the bimodal velocity probability histograms of the v component due to the unsteady motion of the flow in the interaction region between the tip leakage vortex and tip leakage jet. The tip separation vortex, tip leakage vortex separation, and tip leakage vortex contain most of turbulent kinetic energy and generate the highest dissipation rate. Relative motion of the endwall significantly affects the tip gap flow structures, especially in the near wall region. Compared to the stationary wall case, velocity gradients in the near wall region for the moving wall case are much smaller and lower velocity gradients in the near wall region cause the low production of Reynolds stresses and turbulent kinetic energy. Similar to the stationary wall case, high Reynolds stresses and turbulent kinetic energy values are mainly located in the vicinity of the tip leakage vortex and tip separation vortex region. The bimodal velocity probability histograms of the v component are also found at the same locations. The tip separation vortex with most of the turbulent kinetic energy generates the highest dissipation rate. The dissipation rate in the tip leakage vortex region is reduced with the decrease of turbulent kinetic energy under the moving wall effect.
Ph. D.
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Fassmann, Wesley N. "An Experimental Study of Bio-Inspired Force Generation by Unsteady Flow Features." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5316.

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As the understanding of the workings of the biological world expands, biomimetic designs increasingly move into the focus of engineering research studies. For this thesis, two studiesinvolving leading edge vortex generation for lift production as observed in nature were explored intheir respective flow regimes. The first study focused on the steady state analysis of streamwise vortices generated byleading edge tubercles of an adult humpback whale flipper. A realistic scaled model of a humpbackflipper was fabricated based on the 3D reconstruction from a sequence of 18 images taken whilecircumscribing an excised flipper of a beached humpback whale. Two complementary modelswith smooth leading edges were transformed from this original digitized model and fabricatedfor testing to further understand the effect of the leading edge tubercles. Experimentally-obtainedforce and qualitative flow measurements were used to study the influence of the leading edgetubercles. The presence of leading edge tubercles are shown to decrease maximum lift coefficient(Cl ), but increase Cl production in the post-stall region. By evaluating a measure of hydrodynamicefficiency, humpback whale flipper geometry is shown to be more efficient in the pre-stall regionand less efficient in the post-stall region as compared to a comparable model with a smooth leadingedge. With respect to a humpback whale, if the decrease in efficiency during post-stall angles ofattack was only required during short periods of time (turning), then this decrease in efficiencymay not have a significant impact on the lift production and energy needs. For the pursuit ofbiomimetic designs, this decrease in efficiency could have potential significance and should beinvestigated further. Qualitative flow measurements further demonstrate that these force results aredue to a delay of separation resulting from the presence of tubercles.The second study investigated explored the effects of flapping frequency on the passive flowcontrol of a flapping wing with a sinusoidal leading edge profile. At a flapping frequency of f =0.05 Hz, an alternating streamwise vortical formation was observed for the sinusoidal leading edge,while a single pair of vortices were present for the straight leading edge. A sinusoidal leading edgecan be used to minimize spanwise flow by the generation of the observed alternating streamwisevortices. An increase in flapping frequency results in these streamwise vortices becoming stretchedin the path of the wing. The streamwise vortices are shown to minimize spanwise flow even afterbeing stretched. Once instabilities are formed at f ≥ 0:1 Hz due to velocity shearing generatedby the increase in cross-radial velocity, the alternating streamwise vortices begin to break downresulting in a increase of spanwise flow.
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Book chapters on the topic "Oil flow visualization"

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Matsuda, Hisashi, Yoshitaka Fukuyama, Yasuyuki Yokono, and Kazunori Miyasako. "The Effect of Car Configurations on the Flow Around Elevator Models (Oil Flow Pattern and Distribution of Pressure Fluctuation on the Model Wall Surface)." In Flow Visualization VI, 275–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84824-7_46.

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Uemura, Tomomasa, Manabu Iguchi, and Yoshiaki Ueda. "Behavior of a Rising Bubble Through an Oil/Water Interface." In Flow Visualization in Materials Processing, 89–115. Tokyo: Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56567-3_5.

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de Leeuw, Willem C., Hans-Georg Pagendarm, Frits H. Post, and Birgit Walter. "Visual Simulation of Experimental Oil-Flow Visualization by Spot Noise Images from Numerical Flow Simulation." In Eurographics, 135–48. Vienna: Springer Vienna, 1995. http://dx.doi.org/10.1007/978-3-7091-9425-6_13.

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Bo, N., X. Y. Deng, Y. K. Wang, and C. Dong. "Oil Flow Visualization of Reynolds Number Effect on Asymmetric Vortices at Forebody." In New Trends in Fluid Mechanics Research, 234–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-75995-9_68.

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Cao, Ning, Zhaoyong Ni, and Jikui Ma. "Visualization of Separated Flow Features Induced by Cylindrical Protuberance at Hypersonic Speed by Double-Color Oil Flow." In Lecture Notes in Electrical Engineering, 946–55. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3305-7_75.

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Conference papers on the topic "Oil flow visualization"

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Pierce, Adam, Frank Lu, Daniel Bryant, and Yusi Shih. "New Developments in Surface Oil Flow Visualization." In 27th AIAA Aerodynamic Measurement Technology and Ground Testing Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-4353.

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Johnston, Stephen, Enrico Fonda, Devesh Ranjan, and Katepalli R. Sreenivasan. "Video: Photochromic Flow Visualization in Silicone Oil." In 68th Annual Meeting of the APS Division of Fluid Dynamics. American Physical Society, 2015. http://dx.doi.org/10.1103/aps.dfd.2015.gfm.v0102.

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Clark, P. E., and T. J. Courington. "Visualization of Flow Into a Vertical Fracture." In Permian Basin Oil and Gas Recovery Conference. Society of Petroleum Engineers, 1994. http://dx.doi.org/10.2118/27692-ms.

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Arisawa, Hidenori, Yuji Shinoda, Yoshiyuki Noguchi, Tatsuhiko Goi, Takahiko Banno, and Hirofumi Akahori. "Developments of a Flow Visualization Borescope and a Two-Phase Flow Probe for Aeroengine Transmission Gears." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75083.

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In order to reduce oil dynamic power loss in aeroengine gearboxes, visualizations and measurements of the oil-flow are effective. In the research presented in this paper, we developed a flow visualization borescope which can qualitatively visualize oil flow and a two-phase flow probe which can quantitatively measure oil/air ratio and the flow velocity. The flow visualization borescope consists of a 16mm diameter pipe in which an air purge passage for removing oil mist and a borescope are integrated with an illumination laser light and optical lenses, enabling clear high-speed photography. The two-phase probe consists of a 5mm diameter pipe with a 1mm diameter measurement hole and has a pressure adjustment pipe inside the pipe. For a demonstration, a shrouded spur gear with 100 m/s peripheral speed and 20 liters/min oil supply was used. Flow visualization at 30000 frame/sec imaging shows that oil outflow from the shroud opening spreads turbulently over the whole width of the opening. Oil/air ratio and flow velocity measurement by the two-phase flow probe show that there was thin oil-rich layer on the shroud wall and the flow speed was slow compared with the gear peripheral speed. The measurement equipment we developed was easily installed to the gearbox and therefore it is expected to apply to real aeroengine gearboxes.
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Bultongez, Kevin K., and Melanie M. Derby. "Oil-Water Flow Visualization and Flow Regimes in a 3.7 mm Mini-Channel." In ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icnmm2016-7966.

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This study investigates adiabatic oil and water flow patterns in a 3.7-mm-inner-diameter borosilicate glass tube. A closed-loop flow apparatus was constructed and pressure drop was verified using single-phase liquid water. Minor losses were shown to be negligible, and 98% of the pressure drop occurred in the glass tube. Oil-water tests were conducted over a range of oil superficial velocities (0.27 < jo < 3.3 m/s) and water superficial velocities (0.07 < jw < 4.96 m/s). Annular, intermittent, and dispersed flow regimes were observed and shown. For nearly all cases, an annular water ring formed along the perimeter of the glass tube. Two-phase pressure drops are reported.
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Usui, Miyuki, Katsumi Murayama, Kazuhiko Oogake, and Hideki Yoshida. "Study of Oil Flow Surrounding Piston Rings and Visualization Observation." In SAE World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2008. http://dx.doi.org/10.4271/2008-01-0795.

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Medina, Paul, Scott Schreck, Jeppe Johansen, and Lee Fingersh. "Oil-flow visualization on a SWT-2.3-101 wind turbine." In 29th AIAA Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2011. http://dx.doi.org/10.2514/6.2011-3818.

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Rasimarzabadi, Faezeh, Michael Leitch, Shadi Ansari, and David S. Nobes. "Flow Visualization for Performance Measurement across Sand Control Orifices." In SPE Latin America and Caribbean Heavy and Extra Heavy Oil Conference. Society of Petroleum Engineers, 2016. http://dx.doi.org/10.2118/181164-ms.

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Mosharov, V. E., A. A. Orlov, and V. N. Radchenko. "Application of correlation analysis in surface flow visualization with oil film." In SPIE Proceedings, edited by Yuri N. Dubnistchev and Bronyus S. Rinkevichyus. SPIE, 2006. http://dx.doi.org/10.1117/12.683012.

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Braun, M. J., R. C. Hendricks, and V. Canacci. "Flow Visualization in a Simulated Brush Seal." In ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/90-gt-217.

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A method to visualize and characterize the complex flow fields in simulated brush seals is presented. The brush seal configuration was tested in a water and then in an oil tunnel. The visualization procedure revealed typical regions that are rivering, jetting, vortical or lateral flows and exist upstream, downstream or within the seal. Such flows are engendered by variations in fiber void that are spatial and temporal and affect changes in seal leakage and stability. While the effects of interface motion for linear or cylindrical configurations have not been considered herein, it is believed that the observed flow fields characterize flow phenomenology in both circular and linear brush seals. The axial pressure profiles upstream, across and downstream of the brush in the oil tunnel have been measured under a variety of inlet pressure conditions and the ensuing pressure maps are presented and discussed.
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