Academic literature on the topic 'Fluid mechanics and thermal engineering not elsewhere classified'
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Journal articles on the topic "Fluid mechanics and thermal engineering not elsewhere classified"
Tanasawa, Ichiro. "Recent Progress of Japanese Research on Condensation Heat Transfer." Applied Mechanics Reviews 43, no. 1 (January 1, 1990): 1–11. http://dx.doi.org/10.1115/1.3119158.
Full textBisio, G. "Exergy Analysis of Thermal Energy Storage With Specific Remarks on the Variation of the Environmental Temperature." Journal of Solar Energy Engineering 118, no. 2 (May 1, 1996): 81–88. http://dx.doi.org/10.1115/1.2848020.
Full textYan, Jun, Yin Qi Wei, and Hong Cai. "A Mathematical Thermal Hydraulic-Mechanical Coupling Model for Unsaturated Porous Media." Applied Mechanics and Materials 602-605 (August 2014): 365–69. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.365.
Full textAl Shdaifat, Mohammad Yacoub, Rozli Zulkifli, Kamaruzzaman Sopian, and Abeer Adel Salih. "Thermal and Hydraulic Performance of CuO/Water Nanofluids: A Review." Micromachines 11, no. 4 (April 14, 2020): 416. http://dx.doi.org/10.3390/mi11040416.
Full textCabezas-Gómez, Luben, Hélio Aparecido Navarro, and José Maria Saiz-Jabardo. "Thermal Performance of Multipass Parallel and Counter-Cross-Flow Heat Exchangers." Journal of Heat Transfer 129, no. 3 (June 14, 2006): 282–90. http://dx.doi.org/10.1115/1.2430719.
Full textWei, Aibo, Lianyan Yu, Limin Qiu, and Xiaobin Zhang. "Cavitation in cryogenic fluids: A critical research review." Physics of Fluids 34, no. 10 (October 2022): 101303. http://dx.doi.org/10.1063/5.0102876.
Full textPARK, JUN SANG, and JAE MIN HYUN. "Transient motion of a confined stratified fluid induced simultaneously by sidewall thermal loading and vertical throughflow." Journal of Fluid Mechanics 451 (January 25, 2002): 295–317. http://dx.doi.org/10.1017/s002211200100653x.
Full textNasrin, Rehena, Md Hasanuzzaman, and N. A. Rahim. "Effect of nanofluids on heat transfer and cooling system of the photovoltaic/thermal performance." International Journal of Numerical Methods for Heat & Fluid Flow 29, no. 6 (June 3, 2019): 1920–46. http://dx.doi.org/10.1108/hff-04-2018-0174.
Full textRay, Atul Kumar, and Vasu B. "Influence of chemically radiative nanoparticles on flow of Maxwell electrically conducting fluid over a convectively heated exponential stretching sheet." World Journal of Engineering 16, no. 6 (December 2, 2019): 791–805. http://dx.doi.org/10.1108/wje-04-2019-0100.
Full textAlavizadeh, N., R. L. Adams, J. R. Welty, and A. Goshayeshi. "An Instrument for Local Radiative Heat Transfer Measurement Around a Horizontal Tube Immersed in a Fluidized Bed." Journal of Heat Transfer 112, no. 2 (May 1, 1990): 486–91. http://dx.doi.org/10.1115/1.2910404.
Full textDissertations / Theses on the topic "Fluid mechanics and thermal engineering not elsewhere classified"
(9802553), Nur Hassan. "Bubble rise phenomena in various non-Newtonian fluids." Thesis, 2011. https://figshare.com/articles/thesis/Bubble_rise_phenomena_in_various_non-Newtonian_fluids/13459244.
Full text(13754529), Shaik Mohammed Tayeeb. "Effect of polymer concentration and roughness of pipes on friction in fluid flows." Thesis, 1995. https://figshare.com/articles/thesis/Effect_of_polymer_concentration_and_roughness_of_pipes_on_friction_in_fluid_flows/21049354.
Full textThe phenomenon of drag reduction by addition of polymer to a solvent has been one of the most fascinating subjects of Fluid Mechanics in recent years. Despite many years of intensive research the mechanism is not fully understood. This thesis provides an experimental study of this phenomenon of drag reduction (reduction of friction factor) with effect to the concentration of the fluid, the roughness of straight pipes and the different types of curved pipes. The experimental results reveal that significant reduction can be achieved with higher concentrations of polymer
additives, but the drag reduction is reduced with the increase in pipe roughness and the radius of curvature in curved pipes show considerable effect on the drag reduction.
(9790778), Prasanjit Das. "Experimental investigation of fluid dynamics effects on scale growth and suppression in the Bayer process." Thesis, 2018. https://figshare.com/articles/thesis/Experimental_investigation_of_fluid_dynamics_effects_on_scale_growth_and_suppression_in_the_Bayer_process/13445966.
Full text(9749204), John Lawrence Resa. "Numerical study of solidification and thermal-mechanical behaviors in a continuous caster." Thesis, 2020.
Find full text(13114245), Stuart Jonathan Nawrath. "Investigation into the relationship between scale growth rate and flow velocity for a supersaturated caustic - Aluminate solution." Thesis, 2004. https://figshare.com/articles/thesis/Investigation_into_the_relationship_between_scale_growth_rate_and_flow_velocity_for_a_supersaturated_caustic_-_Aluminate_solution/20334891.
Full textScale formation in pipe work and process equipment is inherent to the operation of many chemical processing industries. It results in reduced equipment availability; lost
production and is costly to remove. In the Bayer process, where alumina is chemically extracted from bauxite ore, the specific process step used to recover the alumina from
supersaturated caustic-aluminate solution, referred to as Precipitation, results in significant scale formation on tank walls, process piping and process equipment in contact with the fluid. Operational experience has shown that the rate at which the scaling occurs is, in part, a function of the fluid velocity.
This thesis presents and discusses the experimental observations of an investigation into scale growth rate and fluid velocity not previously conducted at the Queensland Alumina Limited (QAL) process plant. The experimental results have identified that gibbsite scale growth is a non-linear function of the flow velocity and viscous sub -layer conditions, and that the rate of deposition, with time, is also exponential.
(8817533), Hadi Shagerdi Esmaeeli. "MULTISCALE THERMAL AND MECHANICAL ANALYSIS OF DAMAGE DEVELOPMENT IN CEMENTITIOUS COMPOSITES." Thesis, 2020.
Find full textThe exceptional long-term performance of concrete is a primary reason that this material represents a significant portion of the construction industry. However, a portion of this construction material is prone to premature deterioration for multi-physical durability issues such as internal frost damage, restrained shrinkage damage, and aggregate susceptibility to fracture. Since each durability issue is associated with a unique damage mechanism, this study aims at investigating the underlying physical mechanisms individually by characterizing the mechanical and thermal properties development and indicating how each unique damage mechanism may compromise the properties development over the design life of the material.
The first contribution of this work is on the characterization of thermal behavior of porous media (e.g., cement-based material) with a complex solid-fluid coupling subject to thermal cycling. By combining Young-Kelvin-Laplace equation with a computational heat transfer approach, we can calculate the contributions of (i) pore pressure development associated with solidification and melting of pore fluid, (ii) pore size distribution, and (iii) equilibrium phase diagram of multiple phase change materials, to the thermal response of porous mortar and concrete during freezing/thawing cycles. Our first finding indicates that the impact of pore size (and curvature) on freezing is relatively insignificant, while the effect of pore size is much more significant during melting. The fluid inside pores smaller than 5 nm (i.e., gel pores) has a relatively small contribution in the macroscopic freeze-thaw behavior of mortar specimens within the temperature range used in this study (i.e., +24 °C to -35 °C). Our second finding shows that porous cementitious composites containing lightweight aggregates (LWAs) impregnated with an organic phase change material (PCM) as thermal energy storage (TES) agents have the significant capability of improving the freeze-thaw performance. We also find that the phase transitions associated with the freezing/melting of PCM occur gradually over a narrow temperature range (rather than an instantaneous event). The pore size effect of LWA on freezing and melting behavior of PCM is found to be relatively small. Through validation of simulation results with lab-scale experimental data, we then employ the model to investigate the effectiveness of PCMs with various transition temperatures on reducing the impact of freeze-thaw cycling within concrete pavements located in different regions of United States.
The second contribution of this work is on quantification of mechanical properties development of cementitious composites across multiple length scales, and two damage mechanisms associated with aggregate fracture and restrained shrinkage cracking that lead to compromising the long-term durability of the material. The former issue is addressed by combining finite element method-based numerical tools, computational homogenization techniques, and analytical methods, where we observe a competing fracture mechanism for early- age cracking at two length scales of mortar (meso-level) and concrete (macro-level). When the tensile strength of the cement paste is lower than the tensile strength of the aggregate phase, the crack propagates across the paste. When the tensile strength of the cement paste exceeds that of the aggregate, the cracks begin to deflect and propagate through the aggregates. As such, a critical degree of hydration (associated with a particular time) exists below which the cement paste phase is weaker than the aggregate phase at the onset of hydration. This has implications on the inference of kinetic based parameters from mechanical testing (e.g., activation energy). Next, we focus on digital fabrication of a cement paste structure with controlled architecture to allow for mitigating the intrinsic damage induced by inherent shrinkage behavior followed by extrinsic damage exerted by external loading. Our findings show that the interfaces between the printed filaments tend to behave as the first layer of protection by enabling the structure to accommodate the damage by deflecting the microcrack propagation into the stable configuration of interfaces fabricated between the filaments of first and second layers. This fracture behavior promotes the damage localization within the first layer (i.e., sacrificial layer), without sacrificing the overall strength of specimen by inhibiting the microcrack advancement into the neighboring layers, promoting a novel damage localization mechanism. This study is undertaken to characterize the shrinkage-induced internal damage in 7-day 3D-printed and cast specimens qualitatively using X-ray microtomography (μCT) technique in conjunction with multiple mechanical testing, and finite element numerical modeling. As the final step, the second layer of protection is introduced by offering an enhanced damage resistance property through employing bioinspired Bouligand architectures, promoting a damage delocalization mechanism throughout the specimen. This novel integration of damage localization-delocalization mechanisms allows the material to enhance its flaw tolerant properties and long-term durability characteristics, where the reduction in the modulus of rupture (MOR) of hardened cement paste (hcp) elements with restrained shrinkage racking has been significantly improved by ~ 25% when compared to their conventionally cast hcp counterparts.
(9216107), Jordan D. F. Petty. "Modeling a Dynamic System Using Fractional Order Calculus." Thesis, 2020.
Find full textFractional calculus is the integration and differentiation to an arbitrary or fractional order. The techniques of fractional calculus are not commonly taught in engineering curricula since physical laws are expressed in integer order notation. Dr. Richard Magin (2006) notes how engineers occasionally encounter dynamic systems in which the integer order methods do not properly model the physical characteristics and lead to numerous mathematical operations. In the following study, the application of fractional order calculus to approximate the angular position of the disk oscillating in a Newtonian fluid was experimentally validated. The proposed experimental study was conducted to model the nonlinear response of an oscillating system using fractional order calculus. The integer and fractional order mathematical models solved the differential equation of motion specific to the experiment. The experimental results were compared to the integer order and the fractional order analytical solutions. The fractional order mathematical model in this study approximated the nonlinear response of the designed system by using the Bagley and Torvik fractional derivative. The analytical results of the experiment indicate that either the integer or fractional order methods can be used to approximate the angular position of the disk oscillating in the homogeneous solution. The following research was in collaboration with Dr. Richard Mark French, Dr. Garcia Bravo, and Rajarshi Choudhuri, and the experimental design was derived from the previous experiments conducted in 2018.
(11198988), Brayden W. Wagoner. "ELECTROHYDRODYNAMICS OF FREE SURFACE FLOWS OF SIMPLE AND COMPLEX FLUIDS." Thesis, 2021.
Find full text(5929685), Vishrut Garg. "Dynamics of Thin Films near Singularities under the Influence of non-Newtonian Rheology." Thesis, 2019.
Find full text(8726829), Vaseem A. Shaik. "The Motion of Drops and Swimming Microorganisms: Mysterious Influences of Surfactants, Hydrodynamic Interactions, and Background Stratification." Thesis, 2020.
Find full textConference papers on the topic "Fluid mechanics and thermal engineering not elsewhere classified"
Traum, Matthew J., and Luis Enrique Mendoza Zambrano. "A Fluids Experiment for Remote Learners to Test the Unsteady Bernoulli Equation Using a Burette." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-70018.
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