Relevant bibliographies by topics / Cavity growth rate

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

Academic literature on the topic 'Cavity growth rate'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Cavity growth rate"

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Xinggang, Jiang, Cui Jianzhong, and Ma Longxiang. "A simple formula for cavity growth rate considering cavity interlinkage during superplastic deformation." Materials Science and Engineering: A 174, no. 1 (1994): L9—L11. http://dx.doi.org/10.1016/0921-5093(94)91122-3.

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Nicolaou, P. D., S. L. Semiatin, and A. K. Ghosh. "The dependence of cavity-growth rate on stress triaxiality." Metallurgical and Materials Transactions A 35, no. 7 (2004): 2187–90. http://dx.doi.org/10.1007/s11661-004-0170-0.

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Chino, Yasumasa, Hajime Iwasaki, and Mamoru Mabuchi. "Cavity growth rate in superplastic 5083 Al and AZ31 Mg alloys." Journal of Materials Research 19, no. 11 (2004): 3382–88. http://dx.doi.org/10.1557/jmr.2004.0431.

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The plasticity-controlled growth rate of cavities during superplastic deformationwas statistically investigated for 5083 Al alloy and AZ31 Mg alloy. When the cavity growth rate was evaluated on the basis of macroscopic strain calculated using the displacement of the specimen, the growth rate for the Al alloy was larger than thatfor the Mg alloy. However, the growth rate of the Al alloy was in agreement withthat of the Mg alloy when the cavity growth rate was evaluated on the basis of the microscopic strain due to grain boundary sliding. The results obtained lead to two conclusions: (i) the rat
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Abeyaratne, Rohan, and Hang-sheng Hou. "Growth of an Infinitesimal Cavity in a Rate-Dependent Solid." Journal of Applied Mechanics 56, no. 1 (1989): 40–46. http://dx.doi.org/10.1115/1.3176063.

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This study examines the effect of rate dependence on growth of an infinitesimal cavity in a homogeneous, isotropic, incompressible material. Specifically, a sphere containing a traction-free void of infinitesimal initial radius is considered, its outer surface being subjected to a prescribed uniform radial nominal stress p, which is suddenly applied and then held constant. The sphere is composed of a particular class of rate-dependent materials. The large strains which occur in the vicinity of the void are accounted for in the analysis, and the problem is reduced to a nonlinear initial value p
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Mabuchi, Mamoru, Yasumasa Chino, and Hajime Iwasaki. "An Investigation of Cavity Growth Rate in Superplastic Al and Mg Alloys." Materials Science Forum 475-479 (January 2005): 2945–48. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.2945.

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Fine-grained 5083 Al alloy and AZ91 Mg alloy showed superplastic behavior. The plasticitycontrolled growth rates of cavities during superplastic deformation for the Al alloy and Mg alloy were investigated. The cavity volume fraction for the Mg alloy was larger than that for the Al alloy. However, the cavity growth rate for the Mg alloy was lower than that for the Al alloy.
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Lim, Byeongsoo, and Chanseo Jeong. "Effect of Cavity Growth Rate and Cr on High Temperature Crack Growth in P92 and P122 Steels." International Journal of Modern Physics B 17, no. 08n09 (2003): 1627–32. http://dx.doi.org/10.1142/s0217979203019423.

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In this work, the velocity of crack propagation at high temperature was investigated with da / dt - C t relationship using recently developed P92 and P122 steels. Role of cavity in crack growth rate and load line displacement rate was studied by measuring the cavity size and density, which will influence crack nucleation and growth. Since temperature and stress changes are particularly important at high temperature, crack growth behavior was evaluated under various temperature and K i(initial stress intensity factor). Effect of Cr content was evaluated by measuring crack growth activation ener
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Lian, J., and M. Suery. "Effect of strain rate sensitivity and cavity growth rate on failure of superplastic material." Materials Science and Technology 2, no. 11 (1986): 1093–98. http://dx.doi.org/10.1179/mst.1986.2.11.1093.

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Engelhardt, George, and Digby D. Macdonald. "Estimation of corrosion cavity growth rate for predicting system service life." Corrosion Science 46, no. 5 (2004): 1159–87. http://dx.doi.org/10.1016/j.corsci.2003.09.011.

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Jeong, C. S., and Byeong Soo Lim. "Creep Life Evaluation by Micro-Cavities." Key Engineering Materials 297-300 (November 2005): 1858–63. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.1858.

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As the operation time of a power plant increases, the degradation and the cracks inside of the structure exposed to high temperature will increase gradually. Therefore, degradation rate, crack growth rate and fracture life of the structure can be evaluated according to the level of degradation and the growth of crack length. We performed creep rupture test and crack growth test with stress and temperature changes to evaluate the degradation rate, crack growth rate and fracture life. Degradation rate was evaluated using micro-cavities. The area fraction of the cavities increased with the increa
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Lim, Byeong Soo, C. S. Jeong, Si Yon Bae, Sung Jin Song, and Yong Hwan Kim. "Prediction of Creep Crack Growth Life Using Backward Radiated Ultrasound." Key Engineering Materials 306-308 (March 2006): 1025–30. http://dx.doi.org/10.4028/www.scientific.net/kem.306-308.1025.

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A nondestructive inspection is required to check for defects inside of the actually used components and structures and to confirm their generation and growth rate. Using the backward radiated ultrasonic inspection system, we performed nondestructive inspection of cracks and micro cavities resulting from creep. From the ultrasound test results, the generation and growth of cracks and micro-cavities were confirmed, and the fracture life of the components and structures could be predicted. We confirmed degraded region by crack size and cavity based on the amplitude of the backward radiated ultras
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Dissertations / Theses on the topic "Cavity growth rate"

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Oh, Joonyoung. "Numerical study of micro-scale damage evolution in time dependent fracture mechanics." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1117645391.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xvi, 147 p.; also includes graphics Includes bibliographical references (p. 143-147). Available online via OhioLINK's ETD Center
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Book chapters on the topic "Cavity growth rate"

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Mabuchi, Mamoru, Yasumasa Chino, and Hajime Iwasaki. "An Investigation of Cavity Growth Rate in Superplastic Al and Mg Alloys." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.2945.

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Guennouni, T., and D. François. "CONSTITUTIVE EQUATIONS AND CAVITY GROWTH RATE FOR A POROUS PLASTIC MEDIUM." In Mechanical Behaviour of Materials V. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-034912-1.50022-9.

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Amiroudine, Sakir. "Numerical Modelling of Hydrodynamic Instabilities in Supercritical Fluids." In Advanced Applications of Supercritical Fluids in Energy Systems. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2047-4.ch002.

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The case of a supercritical fluid heated from below (Rayleigh-Bénard) in a rectangular cavity is first presented. The stability of the two boundary layers (hot and cold) is analyzed by numerically solving the Navier-Stokes equations with a van der Waals gas and stability diagrams are derived. The very large compressibility and the very low heat diffusivity of near critical pure fluids induce very large density gradients which lead to a Rayleigh–Taylor-like gravitational instability of the heat diffusion layer and results in terms of growth rates and wave numbers are presented. Depending on the relative direction of the interface or the boundary layer with respect to vibration, vibrational forces can destabilize a thermal boundary layer, resulting in parametric / Rayleigh vibrational instabilities. This has recently been achieved by using a numerical model which does not require any equation of state and directly calculates properties from NIST data base (NIST, 2000) for instance.
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Amiroudine, Sakir. "Numerical Modelling of Hydrodynamic Instabilities in Supercritical Fluids." In Handbook of Research on Advancements in Supercritical Fluids Applications for Sustainable Energy Systems. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5796-9.ch002.

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The case of a supercritical fluid heated from below (Rayleigh-Bénard) in a rectangular cavity is first presented. The stability of the two boundary layers (hot and cold) is analyzed by numerically solving the Navier-Stokes equations with a van der Waals gas and stability diagrams are derived. The very large compressibility and the very low heat diffusivity of near critical pure fluids induce very large density gradients which lead to a Rayleigh–Taylor-like gravitational instability of the heat diffusion layer and results in terms of growth rates and wave numbers are presented. Depending on the relative direction of the interface or the boundary layer with respect to vibration, vibrational forces can destabilize a thermal boundary layer, resulting in parametric/Rayleigh vibrational instabilities. This has recently been achieved by using a numerical model which does not require any equation of state and directly calculates properties from NIST data base, for instance.
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Wani, Robert Serafino, and Satya Das. "Cardiovascular Infections." In Tutorial Topics in Infection for the Combined Infection Training Programme. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198801740.003.0037.

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Infective endocarditis (IE) is inflammation of the endothelial lining of the heart valves due to infective causes. IE is a rare condition with an incidence rate of three to nine cases per 100,000 population with a male to female ratio of 2:1. The rate is higher in people with unrepaired cyanotic congenital heart disease, prosthetic heart valves and previous endocarditis. Other risk factors for IE include: rheumatic fever (now accounts for &lt; 10% of IE cases in developed countries), degenerative conditions of heart valves, intravenous drug abuse, diabetes, and HIV infection. One third of the cases are now healthcare associated infection (HCAI), particularly with haemodialysis, cardiac surgery, implantable cardiac devices, intravascular lines, and urinary catheters. In the past decade Staphylococcus aureus has replaced viridans streptococci as the leading cause of IE, the rate of enterococcal (mostly E. faecalis) and Bartonella IE has increased, while that of culture negative endocarditis has decreased. Untreated IE is a uniformly fatal condition, but the mortality rate can be reduced to 5–40% with appropriate treatment. There are two important prerequisite steps to the development of IE: 1. A damaged endothelium due to high pressure gradient and turbulent blood flow around a heart valve or septal defect. Fibrin and platelet deposition occur on the roughened endothelium forming a non-infective thrombus or vegetation. 2. Bacteraemia due to endocarditis-prone organisms resulting from trauma to mucous membranes (e.g. oral cavity, urinary, and gastrointestinal tract) or other colonized tissue or foreign body, which is not cleared by host defence mechanisms. Micro-organisms then attach to the damaged endothelium through a specific ligand-receptor interaction (hence the predilection for certain organisms to cause endocarditis, e.g. viridans streptococci from the mouth), colonize the thrombus, and grow and multiply within it to give rise to a mature/infective vegetation, which is the pathological hallmark of IE. Virulent organisms, classically S. aureus, can apparently infect a healthy endocardium. Damage to the endothelium results in valvular incompetence/regurgitation and symptoms and signs of heart failure and when severe, it is a potentially fatal condition that requires urgent valve surgery, even if the infection has fully responded to antimicrobial therapy.
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Conference papers on the topic "Cavity growth rate"

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Ogata, Takashi. "Cavity Growth Simulation of 2.25Cr-1Mo Steel Under Creep-Fatigue Loading." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71040.

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High temperature components in thermal power plants are subjected to creep-fatigue loading where creep cavities initiate and grow on grain boundaries. Development of a quantitative evaluation method of cavity growth is important for reliable maintenance of these components. In this study, a creep-fatigue test was carried out at 600°C on 2.25Cr-1Mo steel in a scanning electron microscope, and continuous observation of cavity growth behavior on the surface during the test was made. Based on the cavity growth observation, existing cavity growth models were modified and a simulation result by the
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Brust, Frederick W., and Joonyoung Oh. "Numerical Analysis of the Effect of Diffusion and Creep Flow on Cavity Growth." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/creep2007-26631.

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In this paper, intergranular cavity growth in regimes, where both surface diffusion and deformation enhanced grain boundary diffusion are important, is studied. In order to continuously simulate the cavity shape evolution and cavity growth rate, a fully-coupled numerical method is proposed. Based on the fully-coupled numerical method, a gradual cavity shape change is predicted and this leads to an adverse effect on the cavity growth rates. As the portion of the cavity volume growth due to jacking and viscoplastic deformation in the total cavity volume growth increases, the initially spherical
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Kadam, Sambhaji T., Ritunesh Kumar, and Kuldeep Baghel. "Bubble Growth at Nucleation Cavity in Microchannels." In ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/mnhmt2013-22083.

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Bubble dynamics i.e. bubble nucleation, growth and departure plays an important role in heat transfer and pressure drop characteristics during two phase flow of microchannels. A simplified mathematical model has been developed to predict the bubble growth rate in microchannels at nucleation cavity after its inception. It is assumed that heat supplied at nucleation site is divided between liquid phase and vapor phase as per instantaneous void fraction value. The energy consumed by vapor phase is utilized in overcoming evaporation, surface tension, inertia, shear and gravity effects. Proposed mo
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Lee, Woorim, and Gihun Son. "Numerical Study of Bubble Growth on a Micro-Finned Surface." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-10016.

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Bubble growth on a micro-finned surface, which can be used in enhancing boiling heat transfer, is numerically investigated by solving the conservation equations of mass, momentum, and energy. The bubble deformation or the liquid-vapor interface is determined by the sharp-interface level-set method, which is modified to include the effect of phase change and to treat the contact angle and the evaporative heat flux from the liquid microlayer on an immersed solid surface of a microfin. The numerical method is applied to clarify bubble growth and heat transfer characteristics on a surface includin
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Shmueli, H., G. Ziskind, and R. Letan. "Bubble Behavior at an Uneven Wall." In ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ht2016-7393.

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The present study deals with single bubble growth on an uneven wall. A model problem is defined and solved using a three-dimensional numerical simulation. The wall has the shape of a triangular cavity and feature vortices. The equations solved in the present study are based on macro region modelling of the bubble alone and describe its growth from the initial state to detachment from the surface and consequent motion. The model includes a simultaneous solution of conservation equations for the liquid and gaseous phases, in conjunction with three-dimensional interface tracking. The latter is ac
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Duggirala, R. K., P. Sirpal, C. X. Lin, and C. Ghenai. "Effect of Boundary Conditions and Initial Concentrations on the Solidification of Binary Mixture in Trapezoidal Cavity." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61743.

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The solidification of binary mixture (NH4Cl–H2O) inside a trapezoidal cavity is investigated experimentally in this study. The experiments are carried out in a trapezoidal cavity measuring 65 mm × 130 mm × 150 mm with inclined angle of 69°. Solidification of ammonium chloride occurs on the left inclined copper wall held under constant heat rate condition while the other walls are maintained at adiabatic conditions. Particle image velocimetry was used in this study for visualization of the dynamic field during the solidification process. The temperatures of the solution inside the cavity and th
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Moghaddam, Saeed, Kenneth T. Kiger, Jean-Marc Henriette, and Michael Ohadi. "Fabrication and Testing of a Novel Microelectromechnical Device for the Study of Boiling Bubble Dynamics." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42303.

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An array of 44 resistance temperature sensors with a radial resolution of 35 μm was fabricated around a re-entrant cavity (3 μm mouth diameter) on a thin silicon diaphragm with the intended purpose of obtaining highly resolved spatial and temporal measurements of the wall surface temperature during the boiling process. An Argon ion laser beam was used to provide a constant net flux of thermal energy to the backside of the diaphragm underneath the cavity and sensor area. This microsystem initiates and grows a single bubble at the center of the radial sensor array; all while the temperature vari
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Sun, D., and H. Zhang. "An Advanced Multiblock/Multigrid Method for Incompressible Flows and Its Application to EFG Growth of Silicon Tube." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33715.

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A numerical method for incompressible flow is develped based on the multiblock scheme and implicit conservative block interface treatment and the SIMPLE pressure-correction algorithm using curvilinear finite volume approach. The full approximation scheme-full multigrid (FAS-FMG) is utilized to accelerate the convergence rate. A patch-based multiblock method is used as a smoother in the solution algorithm. The proposed numerical scheme has been tested for several benchmark solutions, including lid-driven cavity, Benard convection and Karman vertex shedding problems. Performance and the converge
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Bourquard, Claire, and Nicolas Noiray. "Stability and Limit Cycles of a Nonlinear Damper Acting on a Linearly Unstable Thermoacoustic Mode." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76838.

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The resonant coupling between flames and acoustics is a growing issue for gas turbine manufacturers. They can be reduced by adding acoustic dampers on the combustion chamber walls. Nonetheless, if the engine is operated out of the stable window, the damper may be exposed to high-amplitude acoustic levels, which may trigger unwanted nonlinear effects. This work aims at providing an overview of the dynamics associated with those limit cycles using a simple analytical model, where a perfectly tuned damper is coupled to the combustion chamber. The damper, crossed by a purge flow in order to preven
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Ghenai, C., R. K. Duggirala, C. X. Lin, and M. A. Ebadian. "Characterization of Convection Patterns During the Solidification Process Using Particle Image Velocimetry." In ASME 2003 Heat Transfer Summer Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/ht2003-47241.

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This experimental study focused mainly on the solidification of a binary mixture of ammonium chloride and water (NH4Cl-H2O) in a differentially heated cavity. One vertical wall is cooled at temperature TC, and the opposite vertical wall is kept at constant temperature TH = +20°C. The effect on the solidification process of the initial concentration of ammonium chloride and cooling conditions is examined. Particle image velocimetry (PIV) is used for the visualization of the dynamic field during the solidification process. The temperature distribution at discrete locations in the solution and on
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