Academic literature on the topic 'Uniform pressure'

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Journal articles on the topic "Uniform pressure"

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Tuan, Christopher Y., and Lawrence M. Murphy. "Uniform Pressure Formation of Optical Membranes." Journal of Energy Engineering 114, no. 2 (1988): 49–68. http://dx.doi.org/10.1061/(asce)0733-9402(1988)114:2(49).

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Yan, Sun-ting, Xiaoli Shen, Zhanfeng Chen, and Zhijiang Jin. "On collapse of non-uniform shallow arch under uniform radial pressure." Engineering Structures 160 (April 2018): 419–38. http://dx.doi.org/10.1016/j.engstruct.2018.01.027.

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Mekheimer, Kh S. "Peristaltic transport of a couple stress fluid in a uniform and non‐uniform channels." Biorheology: The Official Journal of the International Society of Biorheology 39, no. 6 (2002): 755–65. http://dx.doi.org/10.1177/0006355x2002039006004.

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The problem of peristaltic transport of a couple stress fluid in uniform and non‐uniform two‐dimensional channels has been investigated under zero Reynolds number with long wavelength approximation. Blood is represented by a couple stress fluid (a fluid which its particles size are taken into account, a special case of a non‐Newtonian fluid). It is found that the pressure rise decreases as the couple stress fluid parameter γ increases (i.e., small size fluid particle). So the pressure rise for a couple stress fluid (as a blood model) is greater than that for a Newtonian fluid. Also the pressur
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Wu, Ji, Xiao-Ting He, and Jun-Yi Sun. "A Theoretical Study on Static Gas Pressure Measurement via Circular Non-Touch Mode Capacitive Pressure Sensor." Sensors 24, no. 16 (2024): 5314. http://dx.doi.org/10.3390/s24165314.

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A circular non-touch mode capacitive pressure sensor can operate in both transverse and normal uniform loading modes, but the elastic behavior of its movable electrode plate is different under the two different loading modes, making its input–output analytical relationships between pressure and capacitance different. This suggests that when such a sensor operates, respectively, in transverse and normal uniform loading modes, the theory of its numerical design and calibration is different, in other words, the theory for the transverse uniform loading mode (available in the literature) cannot be
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Chen, Lei. "Buckling Analysis of Short Cylinders of Uniform Thickness under Uniform External Pressure." Applied Mechanics and Materials 351-352 (August 2013): 501–4. http://dx.doi.org/10.4028/www.scientific.net/amm.351-352.501.

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The failure of elastic perfect cylinders under uniform external pressure is caused by circumferential buckling. The effects of the cylinder length, of the restraining conditions at boundaries and of the length of the pressurized zone all have great influences on the critical buckling load. In the European Standard for Shells EN 1993-1-6 (2007), the critical circumferential buckling stress is obtained by introducing an external buckling factor which takes the influence of different boundary conditions into account. However, the restraint of the meridional rotation at boundaries was not consider
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Xue, Jianghong, and Michelle S. Hoo Fatt. "Post-buckling of a non-uniform ring subjected to uniform external pressure." Thin-Walled Structures 39, no. 4 (2001): 327–51. http://dx.doi.org/10.1016/s0263-8231(01)00003-9.

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Rangel-German, Edgar R., Anthony R. Kovscek, and Serhat Akin. "Time-Dependent Shape Factors for Uniform and Non-Uniform Pressure Boundary Conditions." Transport in Porous Media 83, no. 3 (2009): 591–601. http://dx.doi.org/10.1007/s11242-009-9461-7.

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Cheng, Hai Qian, Qing Hua Cheng, and Kai Yin Zhang. "Analysis on Pre-Stressed Friction Loss in Bending Channel under Contact Pressure Non-Uniform Distribution Hypothesis." Advanced Materials Research 255-260 (May 2011): 49–53. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.49.

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The pre-stressed friction loss formula in bending channel recommended by Bridge Rules was based on the uniform distribution hypothesis of contact pressure. From some conflicts in application of the formula, the non-uniform distribution law of the contact pressure was revealed. On the basis of elastic contact analysis, two types of non-uniform distribution hypothesis were proposed, including cosine and second-degree parabola distribution. Then the contact positive pressure expressions were derived respectively and the frictional resistance was calculated to compare with the calculated value und
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Behr, R. A., J. E. Minor, M. P. Linden, and C. V. G. Vallabhan. "Laminated Glass Units Under Uniform Lateral Pressure." Journal of Structural Engineering 111, no. 5 (1985): 1037–50. http://dx.doi.org/10.1061/(asce)0733-9445(1985)111:5(1037).

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Wang, C. M., and K. M. Liew. "Buckling of Elliptical Plates under Uniform Pressure." Journal of Structural Engineering 119, no. 11 (1993): 3418–25. http://dx.doi.org/10.1061/(asce)0733-9445(1993)119:11(3418).

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Dissertations / Theses on the topic "Uniform pressure"

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Kamal, Manish. "A uniform pressure electromagnetic actuator for forming flat sheets." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1127230699.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xxi, 261 p.; also includes graphics (some col.). Includes bibliographical references (p. 244-254). Available online via OhioLINK's ETD Center
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Banik, Kristin Elizabeth. "FACTORS EFFECTING ELECTROMAGNETIC FLAT SHEET FORMING USING THE UNIFORM PRESSURE COIL." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1211900988.

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Stelkic, Suzana. "Dynamic Response of Foam-Core Sandwich Beams Under Uniform Pressure Pulse Load." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1322842121.

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Chen, Yi 1975. "Local buckling behaviour of pultruded FRP composite sheet piles subjected to uniform pressure." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98950.

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The buckling behaviour of fibre reinforced polymer (FRP) sheet pile panels subjected to a uniform lateral pressure was investigated. Based on the previous full scale tests by Shanmugan in year 2003 (Shanmugan, 2004), the critical load at buckling initiation was first determined through experimental data analysis, and the theoretical modeling was then followed in an attempt to predict the buckling initiation and understanding the failure mechanism. The behavior of the panels loaded in upright position and inverted position was studied.<br>The local buckling of the compressive flanges was monito
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Khan, Saadat Ali. "Pore pressure and moisture migration in concrete at high and non uniform temperatures." Thesis, King's College London (University of London), 1990. https://kclpure.kcl.ac.uk/portal/en/theses/pore-pressure-and-moisture-migration-in-concrete-at-high-and-non-uniform-temperatures(9016d00a-3f08-4eb8-a9b3-a78d405d6686).html.

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Ritthiruth, Pawin. "Flexural Behavior of Cold-Formed and Hot-Rolled Steel Sheet Piling Subjected to Simulated Soil Pressure." Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/101845.

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Hot-rolled sheet piling has long-been believed to have a better flexural performance than cold-formed sheet piling based on a test conducted by Hartman Engineering twenty years ago. However, cold-formed steel can have similar strength to the hot-rolled steel This experimental program studied the flexural behavior of hot-rolled and cold-formed steel sheet pilings. This program quantified the influence of transverse stresses from soil pressures on the longitudinal flexural strength. Four cross-sections with two pairs of equivalent sectional modulus were investigated. Sheet-piling specimens were
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Mudumba, Ramakanth. "STRESS CONCENTRATION RESULTING FROM SMALL PARTICLES IN A CONTACT ZONE." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_theses/352.

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The research on tribology and wear of the metals and composites has always been the topic of interest to understand the behavior and life of them. The wear of the materials with three-body contact has been of particular interest because the wear debris generated due to the wear and tear between the contact surfaces in constant motion will aggravate the wear rate of the contact surfaces. Hence it would be interesting to understand the stress distribution inside the materials with three-body contact. The current research presents the stress distribution within the materials which are in three-bo
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Ndenguma, Dickson Daniel. "Heat transfer and pressure drop in annuli with non-uniform internal wall temperatures in the transition flow regime." Thesis, University of Pretoria, 2005. http://hdl.handle.net/2263/66230.

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It is common practice to design heat exchangers that are operated in either the laminar or the turbulent flow regime and not in the transition flow regime. This could mainly be due to a lack of knowledge on the behaviour in the transition flow regime for several reasons. However, due to factors such as design constraints, heat exchangers may indeed operate in the transition flow regime. An experimental study was conducted to determine the lower and upper Reynolds number limits of the transition flow regime, and the characteristics of the heat transfer coefficients and friction factors for annu
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Li, Jun. "Intraglottal Glottal Pressure Distributions for Three Oblique Glottal Angles." Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1277146314.

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Fromy, Bérengère Michèle. "Experimental and statistical analyses of the effects of a uniform positive pressure applied to the lower limb in humans on vascular haemodynamics." Thesis, University of South Wales, 1997. https://pure.southwales.ac.uk/en/studentthesis/experimental-and-statistical-analyses-of-the-effects-of-a-uniform-positive-pressure-applied-to-the-lower-limb-in-humans-on-vascular-haemodynamics(d3b8cbba-3318-4c3e-997d-5c3536e983ca).html.

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The determination of required pressure level to provide an optimum treatment is an important task for vascular clinicians. This thesis is a first investigation including both venous and arterial femoral velocities and distal microcirculation of the forefoot to evaluate the effects of varying uniform external compression applied to the whole lower limb in humans. The ultrasound technique has been used to evaluate the maximal venous and arterial velocities in femoral common vessels. The microcirculation and the cutaneous oxygenation of the forefoot were recorded by laser Doppler fluxmetry and tr
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Books on the topic "Uniform pressure"

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Huss, J. Rowland. Structural response of marine sandwich panels to uniform pressure loading. Available from the National Technical Information Service, 1990.

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Carolina, North. The Uniform Boiler and Pressure Vessel Act of North Carolina and administrative rules. North Carolina Dept. of Labor, Boiler Safety Bureau, 1998.

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United States. National Aeronautics and Space Administration., ed. Studies on pressure response of gas bubbles contributions of condensed droplets in bubbles generated by a uniform nucleation. National Aeronautics and Space Administration, 1988.

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Khan, Saadat Ali. Pore pressure and moisture migration in concrete at high and now uniform temperatures. 1990.

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A kinetic theory treatment of heat transfer in plane Poiseuille flow with uniform pressure. National Aeronautics and Space Administration, Ames Research Center, 1992.

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Fromy, Bérengère Michèle. Experimental and statistical analyses of the effects of a uniform positive pressure applied to the lower limb in humans on vascular haemodynamics. 1997.

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Martinez, J. Michael. Public Administration Ethics for the 21st Century. ABC-CLIO, LLC, 2009. http://dx.doi.org/10.5040/9798216002963.

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This volume establishes a foundation for a uniform code of professional ethics for public administrators in the United States. Public Administration Ethics for the 21st Century lays the ethical foundations for a uniform professional code of ethics for public administrators, civil servants, and non-profit administrators in the US. Martinez synthesizes five disparate schools of ethical thought as to how public administrators can come to know the good and behave in ways that advance the values of citizenship, equity, and public interest within their respective organizations. Using case studies, h
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Amato, Marcelo, and Andreas Wolfgang Reske. Ventilator trauma in the critically ill. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0101.

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Ventilator trauma refers to complications of mechanical ventilation, which have an impact on morbidity and mortality. Two major forms of ventilator trauma may be distinguished—an acute form related to rupture of airspaces causing air-leak syndrome and a subacute form causing protracted inflammatory responses. A key feature of mechanically-ventilated lungs is the presence of non-aerated and unstable regions due to atelectasis, oedema, or consolidation. Because of mechanical interdependence, pressures acting in non-uniformly expanded lungs at the boundaries between non-aerated and aerated lung m
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Rieber, Alfred J. Storms over the Balkans during the Second World War. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780192858030.001.0001.

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In a new interpretation of the history of the Balkans during the Second World War, this book explores the tangled political rivalries, cultural clashes, and armed conflicts among the great powers and the indigenous people competing for influence and domination. The author takes an original approach to the region based on the interaction among geography, social conditions, and imperial rivalries that spans several centuries, culminating in three wars during the first half of the twentieth century. Against this background, Rieber focuses on leadership, personified by Mussolini, Hitler, Stalin, C
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Goldby, Miriam. Electronic Documents in Maritime Trade. 2nd ed. Oxford University Press, 2019. http://dx.doi.org/10.1093/law/9780198811978.001.0001.

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Abstract This book provides a critical analysis of electronic alternatives to documents used in the international sale of goods carried by sea, including invoices, bills of lading, certificates of insurance, as well as other documentation required under documentary credits, and payment processing arrangements. It constitutes an in-depth discussion of their legal status and the practices relating to their use. The book examines recent developments in the evolving digital transformation that is taking place in the field of international trade. It examines the commercial pressure to move from pap
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Book chapters on the topic "Uniform pressure"

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Weidner, Donald J., and Eiji Ito. "Mineral physics constraints on a uniform mantle composition." In High‐Pressure Research in Mineral Physics: A Volume in Honor of Syun‐iti Akimoto. American Geophysical Union, 1987. http://dx.doi.org/10.1029/gm039p0439.

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Li, Lian Chong, Chun An Tang, Leslie George Tham, Tian Hong Yang, and Shao Hong Wang. "Simulation of Multiple Hydraulic Fracturing in Non-Uniform Pore Pressure Field." In Macro-, Meso-, Micro- and Nano-Mechanics of Materials. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-979-2.163.

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Zeng, Tongyan, Essam F. Abo-Serie, Manus Henry, and James Jewkes. "Thermal Optimisation Model for Cooling Channel Design Using the Adjoint Method in 3D Printed Aluminium Die-Casting Tools." In Springer Proceedings in Energy. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30960-1_31.

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AbstractIn the present study, the adjoint method is introduced to the optimisation of the corner cooling element in two baseline cooling designs for a mould cavity, as examples of the Aluminium metal die-casting process. First, a steady thermal model simulating the Aluminium die-casting process is introduced for the two-corner cooling design scenario. This steady model serves as the first iteration of the optimised model using the adjoint method. A dual-parameter objective function targets the interfacial temperature standard deviation and pressure drop across the internal cooling region. For
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Garhwal, Anil, Yogesh Kaushik, Sabita Madhvi Singh, and Divya. "Finite Element Analysis of Hyperbolic Paraboloid Composite Shells for Static Analysis Under Uniform Pressure." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-5849-3_20.

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Pulkit, Umang, and Satadru Das Adhikary. "Variation of Pore Pressure in NSC Slabs Subjected to Non-uniform Heating: Analytical Model." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-6067-1_16.

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Samuelson, Lars Å. "Effect of Local Loads on the Stability of Shells Subjected to Uniform Pressure Distribution." In Contact Loading and Local Effects in Thin-walled Plated and Shell Structures. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-662-02822-3_6.

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Ali, Furman, Munawwar Ali Abbas, Bo Sun, Li Chen, and Shahid Hussain. "Design and CFD Simulation of Heat Transfer in Circular Pipes." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_20.

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AbstractA major issue for human growth is the energy crisis. In the current study, circular pipes are considered an energy-efficient technology viable in all seasons. It uses non-constant soil temperature and water flow in coldest regions. This model reports the thermal performance of pipes with different results in hot and cold climates. To degree thermal performance, pipe version changed into advanced and simulated with ANSYS 18.1 Fluid Flow (Fluent). Data was collected from two modelled summer and winter seasons. Continuity, momentum, and energy equation have been used for the simulation. C
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Simpson, Harry J., and Philip L. Marston. "Parametric Layers, Four-Wave Mixing, and Wave-Front Reversal." In Nonlinear Acoustics. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-58963-8_14.

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AbstractThis chapter describes two special cases of nonlinear acoustic interactions. In one, waves interact in a thin flat layer with high nonlinearity. The nonlinearity in the liquid layer can be enhanced using gas bubbles, and processes such as wave-front reversal and phase conjugation can be achieved. In the other case, four-wave mixing is mediated by a suspension of particles in the liquid. Acoustic radiation pressure acting on an initially uniform suspension of particles causes the particles to form layers, and this results in the Bragg reflection of sound. Both cases have analogies in no
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Yang, Zilong, and Fujiang Yang. "Design of Fiber Winding for Thick-Walled Cylinder with Uniform Residual Tension." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_28.

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AbstractFiber winding with metal cylinders as liners is the primary method used for producing high-speed rotors, flywheels, and pressure vessels. A design model was established for thick-walled cylindrical fiber winding by using the layer-by-layer stacking method of thin composite material rings in this article. The effect of liner structure and fiber type on prestress was analyzed. And the phenomenon of tension loss in no-twist fibers was studied. The winding tension of each layer was calculated accurately under the condition of uniform residual tension, which was the optimal process in engin
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Takabe, Hideaki. "Self-Similar Solutions of Compressible Fluids." In Springer Series in Plasma Science and Technology. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-45473-8_4.

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AbstractStrong shock waves are used to compress and heat any matters in the laboratory. The ablation pressure by intense laser is used to compress even solid matters. In plane geometry, it is easier to design multi-shocks to compress the matters, while it is more beneficial to use the spherical compression. No simple solutions are available to know the trajectories of shocks in one-dimensional spherical symmetry. Here we see several analytical solutions with the self-similar method. The method is to find new governing solution of ordinary differential equation from partial differential fluid e
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Conference papers on the topic "Uniform pressure"

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Singha, Amita, Jakob Pallot, and Chandima Ekanayake. "Applicability of Modal Analysis on Health Condition Assessment of Transformers Under Uniform and Non-Uniform Clamping Pressure Change." In 2024 IEEE 7th International Conference on Condition Assessment Techniques in Electrical Systems (CATCON). IEEE, 2024. https://doi.org/10.1109/catcon60527.2024.10832097.

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Dwivedy, Keshab K. "Limit Analysis of a Pipe Section With Non-Uniform Wall Thinning." In ASME 2002 Pressure Vessels and Piping Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/pvp2002-1320.

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Certain process piping in nuclear and non-nuclear power plants undergo pipe wall thinning due to flow assisted corrosion (FAC). This localized mechanism of corrosion combined with erosion is complex. The potential degradation of the pipe wall depends upon the water chemistry, operating temperature and pressure, flow velocity, piping material and piping configuration. The management of FAC in a power plant is performed in the following basic steps: Identification of potential locations, UT inspection of locations and characterization of pipe wall thinning, and evaluation of wall thinning to est
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Chen, Her-Yuan, Yi Liu, and Neil M. Asaad. "Horizontal-Well Productivity Equations With Both Uniform-Flux and Uniform-Pressure Wellbore Modes." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2005. http://dx.doi.org/10.2118/97190-ms.

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Jung, Gong H., Minsu Kim, and Eric Gage. "Impact of Non-Uniform Temperature on Flange Leak Tightness." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97301.

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It is critical to maintain uniformity of gasket stress in control against leakage in piping and heat exchangers. Many innovative bolting tools have been developed, but their benefit could be downgraded if there were sources disrupting initially achieved uniformity of gasket stress, especially temperature differences in mating flanges and non-axisymmetric temperature. It is thus necessary to understand behaviors of flanges and gaskets with non-uniform temperature distribution. The impact of temperature differences in mating flanges with various types of gaskets on leak tightness was evaluated b
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Talebpour, R., K. Abedi, and A. R. M. Gharebaghi. "Buckle Propagation in Pipelines Under Non-Uniform Pressure." In 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92419.

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Preventing the occurrence of local buckling due to external pressure is one of the main concerns in design of offshore pipelines. However, when a pipeline is designed for deepwater, prevention of the propagation of local buckling along the pipeline has more importance. Therefore, the study of buckle propagation phenomenon and its prevention is a subject of many researches in the past 25 years. Great amount of these researches have focused on appropriate estimation of buckle propagation pressure. In this paper, details of 3-D finite element modeling for buckle propagation simulation are outline
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Bae, Kyung-Dong, Chul-Goo Kim, Seung-Jae Kim, Hyun-Jae Lee, and Yun-Jae Kim. "A Study of the Stress Intensity Factor and Crack Opening Displacement Relationship Between Uniform Thickness Pipe Bends and Non-Uniform Thickness Pipe Bends." In ASME 2016 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/pvp2016-63421.

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This paper proposes the relationship of stress intensity factor and crack opening displacement between pipe bends with uniform thickness and those with non-uniform thickness. In actual case, pipe bends have thickness variations. Unlike typical pipe bends, heat induction bend pipes have significant thickness variations (non-uniform thickness) because of manufacturing process. When the ratio of radius of curvature and pipe radius is 3 for heat induction bend pipes, the thickness at intrados and extrados can be calculated by 1.75 times and 0.875 times of nominal thickness which is original thickn
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Alziadeh, Mohammed, and Atef Mohany. "Applicability of Non-Uniformly Varying the Fin Density of Tandem Finned Cylinders As a Viable Vortex and Noise Suppression Technique." In ASME 2023 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/pvp2023-106102.

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Abstract This article explores the applicability of using non-uniform finned tubes in tandem arrangement at L/Deq(avg) = 2.5 to suppress flow-induced acoustic resonance. Particle Image Velocimetry (PIV) measurements are performed to visualize the vortex development in the wake before and during flow-induced acoustic resonance. Acoustic pressure measurements are performed to characterize the aeroacoustic response of the tandem finned tubes. It was found that non-uniform finned tubes weaken the vortex shedding process and reduce the sound pressure level (SPL) during flow-induced acoustic resonan
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Ming, Qin, Tsuyoshi Sugimoto, Youichi Watanabe, Kazuhiko Katsumata, and Takahiro Semura. "Uniform Quenching Technology by Using Controlled High Pressure Gas after Low Pressure Carburizing." In SAE World Congress & Exhibition. SAE International, 2008. http://dx.doi.org/10.4271/2008-01-0365.

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Yang, Ping, Weiliang Xie, Feng Xu, and Jinzhang Feng. "Influence of Non-Uniform OGV on High Pressure Compressor Performance." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95234.

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Generally, the outlet guide vanes (OGV) of a high pressure compressor (HPC) have a single vane profile and are placed uniformly circumferentially. However, in some situations, portions of the OGV are thickened to be accommodated to some special requirements which may result in negative influences on the HPC performance. This paper describes the design of a non-uniform OGV row of a multi-stage HPC. The OGV is periodically composed of one thick vane and two thin vanes. A series of vanes are selected by changing vane geometry parameters including vane stagger and camber, location of maximum thick
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Holtzman, M., A. Arcelus, I. Veledar, R. Goubran, H. Sveistrup, and P. Guitard. "Force Estimation with a Non-Uniform Pressure Sensor Array." In 2008 IEEE Instrumentation and Measurement Technology Conference - I2MTC 2008. IEEE, 2008. http://dx.doi.org/10.1109/imtc.2008.4547372.

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Reports on the topic "Uniform pressure"

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Tang, Y. Buckling of elliptical rings under uniform external pressure. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/10134497.

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Lew, H. S. Gypsum stairwell enclosure wall system tests under uniform static pressure. National Institute of Standards and Technology, 2009. http://dx.doi.org/10.6028/nist.ir.7615.

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Murphy, L. M., and C. Tuan. The formation of optical membrane reflector surfaces using uniform pressure loading. Office of Scientific and Technical Information (OSTI), 1987. http://dx.doi.org/10.2172/6212416.

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Madhavan, R., M. K. Yeh, S. Kyriakides, and C. D. Babcock. L41041 Pipe Collapse Under External Pressure and Axial Tension (PUPA) Computer Program Manual. Pipeline Research Council International, Inc. (PRCI), 1987. http://dx.doi.org/10.55274/r0011342.

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PUPA is a computer program which predicts the critical loads of a long tube under external pressure and axial tension. The program takes into account the effect of inelastic material behaviour on collapse and could be used for tubes with diameter to thickness ratio as low as 10. The analysis is based on a principle of virtual work type of formulation and the resulting nonlinear equilibrium equations are solved using Newton-Raphson method. The model implemented considers a long tube under generalized plane strain conditions and uniform ovalization. Effect of initial ovality, residual stresses a
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Wang, Yong-Yi. PR-350-154502-R02 Implications of Low Strain Hardening Steels on Design Construction and Maintenance. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011565.

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Much of the design, construction, and maintenance practices in the pipeline industry was established before the extensive use of modern control-rolled and microalloyed steels. These modern steels can behave differently from traditional hot-rolled and normalized steels. For instance, these modern steels tend to have a lower strain hardening capacity (higher Y/T ratio) than vintage hot-rolled and normalized steels. One of the observed trends is that modern steels could be qualified as higher grade due to the increase of yield strength (YS) while their ultimate tensile strength (UTS) remains at a
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Speranza, Vito, and Roberto Pantani. Investigation of isotactic polypropylene crystallization in processing conditions. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.msd.1.

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Flow and pressure applied during polymer transformation processes of semi-crystalline polymers can significantly affect the kinetics of crystallization, final morphology, and properties of the part. In commonly used polymer transformation processes, the molten polymer is subjected to high pressure and thermal stress, as well as intense shear and elongational flow fields. The effect of pressure on crystallization kinetics is significant from both scientific and technological perspectives since the polymer solidifies under high pressure in important industrial processing techniques. On the other
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Chapman and Toema. PR-266-07209-R01 Phase 2 - Assessment of the Robustness and Transportability of the Gas Turbine Model. Pipeline Research Council International, Inc. (PRCI), 2010. http://dx.doi.org/10.55274/r0010719.

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This report presents the modeling study of a gas turbine combustor based on first engineering principles to fully characterize the nitrogen oxides (NOx) and carbon monoxide emissions (CO). The model is mainly focused on the emissions from the widely used lean-premixed, dry low-NOx combustor. The combustor is divided into several zones where each zone can be considered as a plug-flow reactor. Each of these zones is assumed to have a uniform pressure, temperature and perfect mixing between combustion species. The temperature of each zone is calculated using mass and energy balances along with he
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Thembeka Ncube, Ayanda, and Antonio Bobet. Use of Recycled Asphalt. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317316.

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The term Reclaimed Asphalt Pavement (RAP) is used to designate a material obtained from the removal of pavement materials. RAP is used across the US in multiple applications, largely on asphalt pavement layers. RAP can be described as a uniform granular non-plastic material, with a very low percentage of fines. It is formed by aggregate coated with a thin layer of asphalt. It is often used mixed with other granular materials. The addition of RAP to aggregates decreases the maximum dry unit weight of the mixture and decreases the optimum water content. It also increases the Resilient Modulus of
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Wang, Yao, Jeehee Lim, Rodrigo Salgado, Monica Prezzi, and Jeremy Hunter. Pile Stability Analysis in Soft or Loose Soils: Guidance on Foundation Design Assumptions with Respect to Loose or Soft Soil Effects on Pile Lateral Capacity and Stability. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317387.

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The design of laterally loaded piles is often done in practice using the p-y method with API p-y curves representing the behavior of soil at discretized points along the pile length. To account for pile-soil-pile interaction in pile groups, AASHTO (2020) proposes the use of p-multipliers to modify the p-y curves. In this research, we explored, in depth, the design of lateral loaded piles and pile groups using both the Finite Element (FE) method and the p-y method to determine under what conditions pile stability problems were likely to occur. The analyses considered a wide range of design scen
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Macedo, Jorge, Paul Mayne, Sheng Dai, et al. Cone Penetration Testing for Illinois Subsurface Characterization and Geotechnical Design. Illinois Center for Transportation, 2024. http://dx.doi.org/10.36501/0197-9191/24-013.

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This project sets the stage for implementing a cone penetration testing (CPT) practice in the state of Illinois, providing recommendations for using and interpreting CPT soundings in subsurface investigations. This study also contributes to modernizing Illinois Department of Transportation (IDOT) policy to current CPT-related practices adopted in other departments of transportation, which is consistent with recommendations from the Federal Highway Administration. Toward the goals of this project, CPT soundings across the nine districts of the state of Illinois have been conducted, and availabl
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