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Relevant bibliographies by topics / Suspensions

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Academic literature on the topic 'Suspensions'

Author: Grafiati

Published: 4 June 2021

Last updated: 27 July 2024

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Journal articles on the topic "Suspensions"

1

Savić, Vesna, Milica Martinović, Ivana Nešić, Jelena Živković, and Ivana Gajić. "Influence of additives on suspension structure." Advanced Technologies 10, no. 1 (2021): 37–40. http://dx.doi.org/10.5937/savteh2101037s.

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The aim of this study was to compare the stability and texture of three zinc oxide suspensions with different additives. Suspension 1 was made as official magistral formulation Suspensio album 7.5% from Formulae magistrales 2008. Suspension 2 was prepared when 1% carbomer gel was added to suspension 1 and suspension 3 was prepared when polysorbate 20 was added to suspension 2. After stability tests, texture analysis was performed on all suspensions. Following parameters were measured: hardness cycle 1, hardness cycle 2, cohesiveness, adhesiveness, resilience and springiness. The study showed that suspension 3 had the lowest value of hardness, and therefore the best spreadability. Also, suspension 3 was the least sticky of all three, since it was characterized with the lowest adhesiveness. Further, suspension 3 was the most cohesive and is predicted to withstand the stress during packing and use longer than others. On the other hand, the highest values of resilience and springiness were detected for suspension 1, while the lowest was related to suspension 2. Therefore, the best textural characteristics were assigned to suspension 3. This result is in accordance with the results of performed stability tests. The results of our study offer insight into potential improvements of the current magistral formulation Suspensio album 7.5%.

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Dodange, Setare, Reza Riahifar, Babak Raissi, Maziar S. Yaghmaee, and Amir Alhaji. "Heterocoagulation simulation of nano alumina and silica particle dispersion using discrete element method." International Journal of Materials Research 113, no. 4 (March 22, 2022): 259–70. http://dx.doi.org/10.1515/ijmr-2020-8123.

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Abstract Heterocoagulation in alumina–silica suspension is studied using 2-dimensional discrete element method simulations. Controlling the structure and stability of the binary suspensions via selecting the appropriate size of precursors is crucial in ceramics processing. Alumina and silica particles with a broad range of sizes and size ratios are investigated. The size and the size ratio determine the degree of heterocoagulation and impact the suspension’s structure. Analyzing simulation results shows that when the sizes of silica and alumina particles are comparable, and the radii of particles are below 300 nm, a chain-like structure is formed. In suspensions with high size asymmetry, smaller silica particles surround larger alumina particles, and the degree of heterocoagulation is dependent on the composition of the suspension. The results show that suspension composition can also be used to tune the heterocoagulation structure.

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Sahu, Yogesh, Arvind Singh Jadon, Prateek Jain, Bhupendra Singh Thakur, Basant Khare, and Anushree Jain. "An Overview on Recent Advances in Pharmaceutical Suspensions." International Journal of Medical Sciences and Pharma Research 7, no. 1 (March 15, 2021): 1–3. http://dx.doi.org/10.22270/ijmspr.v7i1.54.

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The suspension is a biphasic liquid or semi-solid dosage form where the finely divided insoluble solid drug particles are homogeneously dispersed in a liquid or semi-solid medium. The solid drug particles act here as the dispersed phase and the liquid or the semi-solid as the dispersion medium. The particle diameter in a suspension is usually greater than 0.5 µm. However, it is difficult and also impractical to impose a sharp boundary between the suspensions and the dispersions having finer particles. Suspensions are an important class of pharmaceutical dosage forms. The advantages of suspension dosage forms include effective dispensing of hydrophobic drugs; avoidance of the use of cosolvents; masking of unpleasant taste of certain ingredients; offering resistance to degradation of drugs due to hydrolysis, oxidation or microbial activity; easy swallowing for young or elderly patients; and efficient intramuscular depot therapy. In addition, when compared to solution dosage forms, relatively higher concentration of drugs can be incorporated into suspension products. The present review provides an overview of various aspects of suspensions such as classification of suspensions, theories of suspensions, various suspending agents, formulations aspects of suspensions, stability of suspensions and recent research work that is being carried on suspensions. Keywords: Suspensions, suspending agents, flocculated, Stability.

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Borojeni, Iman Azarian, Babak Raissi, Amir Maghsoudipour, Mahmood Kazemzad, and Ehsan Marzbanrad. "Aging Behavior of Yttria Stabilized Zirconia (YSZ) in Non Aqueous Suspensions for Electrophoretic Deposition Application." Key Engineering Materials 412 (June 2009): 279–85. http://dx.doi.org/10.4028/www.scientific.net/kem.412.279.

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In this research aging behaviors of yttria stabilized zirconia (YSZ) in non aqueous suspensions, namely ethanol, isopropanol, n-propanol, acetylacetone and the mixture of ethanol-acetylacetone were investigated. For this purpose, electrical conductivity, electrophoretic mobility and suspension stability during aging time (6 to 7 days) were evaluated. Except for the ethanol-acetyl acetone mixture, each suspension contained 0 to 0.8 g/L iodine. It was revealed that, the alcoholic suspensions indicated lower conductivity in comparison with acetylacetone suspensions. However, acetylacetone suspension showed lower conductivity variation with time. Although iodine could improve the electrophoretic mobility of ethanol and acetylacetone suspensions, it had little effect on electrophoretic mobility of isopropanol and n-propanol suspensions. Also, it was indicated that iodine as a dispersant was not helpful for alcoholic suspensions stability. It was concluded that the mixture of acetylacetone-ethanol suspension was the best candidate in this study for electrophoretic deposition of YSZ, owing to its little behavior variation with the aging time, low conductivity and high electrophoretic mobility. High quality crack-free layers were electrophoretically deposited from this suspension on the substrate by applying 50 V/cm electrical field.

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Lacoe, Johanna, and Matthew P. Steinberg. "Do Suspensions Affect Student Outcomes?" Educational Evaluation and Policy Analysis 41, no. 1 (August 17, 2018): 34–62. http://dx.doi.org/10.3102/0162373718794897.

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Discipline reformers claim that suspensions negatively affect suspended students, while others suggest reforms have unintended consequences for peers. Using student panel data from the School District of Philadelphia, we implement student fixed effects and instrumental variable (IV) strategies to examine the consequences of suspensions for offending students and their peers. A suspension decreases math and reading achievement for suspended students. The effects are robust to IV estimates leveraging a district-wide policy change in suspension use. Suspensions are more salient for students who personally experience suspension than for their peers. Exposure to suspensions for more serious misconduct has very small, negative spillovers onto peer achievement, but does not change peer absences.

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Peng, Yucheng, and Brian Via. "The Effect of Cellulose Nanocrystal Suspension Treatment on Suspension Viscosity and Casted Film Property." Polymers 13, no. 13 (June 30, 2021): 2168. http://dx.doi.org/10.3390/polym13132168.

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Cellulose nanocrystals (CNCs) have attracted significant interest in different industrial sectors. Many applications have been developed and more are being explored. Pre-treatment of the suspension plays a critical role for different applications. In this study, different pre-treatment methods, including homogenization, ultrasonication, and mixing with a magnetic stirrer were applied to a CNC suspension. After treatment, the rheological behaviors of the treated CNC suspensions were characterized using a rotational viscometer. The treated suspensions were then used to cast films for characterization by ultraviolet-visible (UV-Vis) and Fourier transform near-infrared spectroscopy (FT-NIR). All the CNC suspensions demonstrated a shear thinning phenomena. Homogenization or ultrasonication significantly decreased the suspension viscosity compared with the suspension mixed by a magnetic stirrer. The viscosity of CNC suspension changed with time after treatment and settlement of treated CNC suspensions in room conditions increased the viscosity dramatically with time. Different UV and visible light interferences were observed for the CNC films generated from suspensions treated by different methods. The degree of crystallinity of the CNC films evaluated by FT-NIR showed that the film from suspension treated by homogenization and ultrasonication has the highest degree of crystallinity. Pre-treatments of CNC suspension affected the suspension viscosities and formed film properties.

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Lee, Seungjun, Jaehoo Lee, and Nongmoon Hwang. "Effect of the Dispersion State in Y5O4F7 Suspension on YOF Coating Deposited by Suspension Plasma Spray." Coatings 11, no. 7 (July 9, 2021): 831. http://dx.doi.org/10.3390/coatings11070831.

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The stable Y5O4F7 suspension for dense yttrium oxyfluoride (YOF) coating by suspension plasma spraying (SPS) was developed. Electrostatically and electrosterically stabilized aqueous Y5O4F7 suspensions were prepared and compared with a commercially available Y5O4F7 suspension without dispersant. The wettability and dispersibility of the Y5O4F7 suspensions were evaluated in terms of the zeta potential, average particle size, and size distribution with electrophoretic light scattering (ELS) and dynamic light scattering (DLS). The viscosity was measured and the sedimentation was tested to examine the fluidity and stability of the Y5O4F7 suspensions. When electrostatic (BYK-154) and electrosteric (BYK-199) dispersants were added to the Y5O4F7 suspension, the isoelectric point (IEP) of Y5O4F7 particles in the suspension shifted to lower pH. The zeta potential of both of electrostatically and electrosterically stabilized Y5O4F7 suspensions were higher than ±40 mV at pH of 8.6, respectively, which were much higher than of the Y5O4F7 suspension without dispersant. Meanwhile, the average particle size of the electrosterically stabilized Y5O4F7 suspension was much smaller than that of the electrostatically stabilized one. The electrosteric stabilization had a great effect on improving the wettability and dispersibility of the Y5O4F7 suspension. The coating rate of the electrosterically stabilized Y5O4F7 suspension was the highest among the three tested suspensions. In addition, the YOF coating deposited with the electrosterically stabilized Y5O4F7 suspension had the highest hardness and the lowest porosity.

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Ghanaatpishehsanaei, Ghazaleh, and Rajinder Pal. "Rheology of Suspensions of Solid Particles in Liquids Thickened by Starch Nanoparticles." Colloids and Interfaces 7, no. 3 (July 24, 2023): 52. http://dx.doi.org/10.3390/colloids7030052.

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The rheology of suspensions of solid particles in aqueous matrix liquids thickened by starch nanoparticles (SNP) was investigated. The SNP concentration varied from 9.89 to 34.60 wt% based on the aqueous matrix phase. The solids concentration of suspensions varied from 0 to 47 wt% (0 to 56 vol%). The suspensions at any given SNP concentration were generally Newtonian at low solids concentrations. At high solids concentrations, the suspensions were non-Newtonian shear-thinning. With the increase in the SNP concentration, the suspensions become non-Newtonian at a lower solids concentration. The rheological behavior of non-Newtonian suspensions could be described adequately with a power-law model. The consistency index of the suspension increased with the increase in solids concentration of the suspension at any given SNP concentration. The flow behavior index of suspensions was well below unity at high solids concentrations, indicating non-Newtonian shear-thinning behavior. The value of the flow behavior index decreased with the increase in solids concentration indicating an enhancement of shear-thinning in suspensions. The experimental viscosity and consistency data for Newtonian and non-Newtonian suspensions showed good agreement with the predictions of the Pal viscosity model for suspensions.

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Tarasi, Fariba, Elnaz Alebrahim, Ali Dolatabadi, and Christian Moreau. "A Comparative Study of YSZ Suspensions and Coatings." Coatings 9, no. 3 (March 13, 2019): 188. http://dx.doi.org/10.3390/coatings9030188.

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The demand for suspensions that are used in thermal spray processes is expanding from research labs using the lab-prepared suspensions toward actual coating production in different industrial sectors. Industrial applications dictate the reduced production time and effort, which may in turn justify the development of the market for ready-to-use commercial suspensions. To this end, some of the powder suppliers have already taken steps forward by introducing, to the market, suspensions of some of the most used materials, such as yttria-stabilized zirconia (YSZ), alumina, and titania. However, there is a need to compare the suspension characteristics over time and the resultant coatings when using these suspensions when compared with the freshly prepared homemade suspensions. In this work, such a comparison is done using YSZ suspensions of the sub-micron to a few micron powders. In addition, some changes in the suspensions’ formula were performed as a tool to vary the coatings’ microstructures in a more predictable way, without any variation of the spray parameters. The coatings were generated while using both radial and axial injection of the suspensions into Oerlikon-Metco 3MB and Mettech Axial III plasma spray torches, respectively. A clear effect of suspension viscosity on the coating microstructure was observed using the 3MB torch with a radial injection of suspension (i.e., cross flow atomization). However, the viscosity role was not dominant when using the Axial III torch with an axial feed injection system (i.e., coaxial flow atomization).

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Nurdin, Irwan, Idris Yaacob Iskandar, M. Rafie Johan, and Bee Chin Ang. "Characterization and Stability Monitoring of Maghemite Nanoparticle Suspensions." Advanced Materials Research 576 (October 2012): 398–401. http://dx.doi.org/10.4028/www.scientific.net/amr.576.398.

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Maghemite nanoparticle suspensions were synthesized using a co-precipitation method and characterized by a variety of techniques including XRD, TEM, magnetic measurement, DLS, and zeta potential. The stability of the suspension was monitored by measuring the particle size distribution using DLS over a period of two months. The diffraction pattern from XRD measurement confirmed that the particles were maghemite with an average crystallite size of 9.4 nm. TEM observations and analyses showed that the geometry of maghemite nanoparticles were nearly spherical with a mean physical diameter of 9.9 nm. The maghemite nanoparticles showed superparamagnetic behavior with saturation magnetization value of 32.20 emu/g. The mean hydrodynamic diameter of the suspension remained unchanged after two months which indicated no formation of aggregation. The hydrodynamic diameters recorded were 45.1 nm and 48.4 nm, respectively. Additionally, lack of sedimentation indicated that the suspension was stable. The suspension’s zeta potential values were 41.5 mV and 40.4 mV for as synthesized and after two month of storage respectively.

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Dissertations / Theses on the topic "Suspensions"

1

Carpen, Ileana Cristina Brady John F. Brady John F. "Studies of suspension behavior : I. Instabilities of non-Brownian suspensions. II. Microrheology of colloidal suspensions /." Diss., Pasadena, Calif. : California Institute of Technology, 2005. http://resolver.caltech.edu/CaltechETD:etd-06022005-131439.

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Dorrell, Robert Michael. "Particulate Suspensions : The Mechanics of Suspension and Deposition." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525454.

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Brezas, Panagiotis Panos. "Time-domain optimal control for vehicle suspensions." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607986.

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Bennington, Chad Patrick Joseph. "Mixing pulp suspensions." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28622.

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Initiation and maintenance of motion within a pulp suspension is necessary for effective mixing. This requires imposition of forces greater than the network strength and depends on suspension rheology once motion begins. As pulp suspensions display non-Newtonian and solid-like behaviour, studies were conducted using profiled rotors which imposed stress within the body of suspensions contained in cylindrical devices. A concentric cylinder device capable of high torques (85 N-m) and high rotational speeds (524 rad/s) was built to study pulp suspension dynamic behaviour. Most work used a profiled rotor 0.1 m in diameter with baffled housings 0.13 and 0.22 m in diamter. The yield stress of low consistency pulp suspensions were measured with a Haake RV12 Ro-tovisco concentric cylinder viscometer. Semi-bleached kraft pulp was used throughout the study. Some tests were made with stone groundwood and thermomechanical pulps. Yield stress measurements were made for nylon and Spectra-900 fibre suspensions. The yield stress of pulp suspensions, ty, have been measured and correlated with mass concentration (Cm) and volumetric concentration (Cv) over the range 0.4 ≤ Cm(%) ≤ 33. It was found that because of increasing gas content that correlations developed using the mass concentration were inaccurate above approximately 20% Cm. Correlations developed using the volumetric concentration were accurate over the full range tested. For a West-Coast semi-bleached kraft pulp, ty(Pa) = 1.40CV(%)²ֹ⁷². Once rotor motion was initiated, pulp suspensions exhibited two distinct regimes of behaviour. The first was a tangential-cavity regime in which predominantly tangential motion grew to fill the chamber as shear rate increased. When motion reached the outer housing wall a flow transition occurred, likely triggered by flow interaction with the housing baffles. The subsequent post-transition regime was characterized by radial and axial flow that effectively mixed the suspension on both the macroscale and fibre-scale. The flow transition appeared to be what earlier workers reported as the onset of "fluidization". During tangential-cavity flow, phase segregation occurred. Gas present in the suspension collected around the rotor and reduced momentum transfer from the rotor to the suspension. This caused the torque for the pulp suspension to fall below that for water at the same rotational speed, and the cessation of flow development in the chamber. If sufficient momentum transfer was attained to initiate post-transition flow, the chamber contents became effectively mixed. The torque could still fall below that of water depending on the effective density of the suspension in the rotor vicinity.
Applied Science, Faculty of
Chemical and Biological Engineering, Department of
Graduate

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Allred, Timothy Melvin. "Compliant Mechanism Suspensions." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/434.

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This thesis has explored the use of compliant mechanisms in vehicle suspension systems, specifically where a compliant mechanism acts as part of the wheel locating mechanism and as the energy storage element. A compliant mechanism has the potential of reducing part count, joints, and manufacturing and assembly costs of a suspension system. Fatigue failure has been found to be a limiting design constraint which competes with space and weight constraints. Controlling wheel motion in response to control forces has also been shown to be an important functional requirement for a compliant suspension system. Vehicle applications that are best suited for the use of compliant suspension systems are those that are low weight, have low energy storage requirements, and do not require precise vehicle handling characteristics. New compliant suspension concepts have been explored that support the wheel in 3-dimensions to minimize undesired wheel motions. These new concepts demonstrate increased stiffness and decreased stress due to control forces. Of these concepts, the compliant A-Arm proves to be the most promising candidate for future development. It has added advantages of lower space requirements, lower number of extra joints and rigid links, and simpler design for manufacture and assembly. The stiffness, stress, and kinematic characteristics of the compliant A-Arm configuration have been explored. This configuration has a non-linear force-deflection curve that is facilitated by the stress-stiffening effects of large deflections. A closed-form linear stiffness solution and a pseudo-rigid-body model has also been developed to aid in the initial design of the compliant A-Arm in a suspension system.

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Purnomo, Eko Hari. "Rheology of aging suspensions." Enschede : University of Twente [Host], 2008. http://doc.utwente.nl/59045.

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Cunha, Francisco Ricardo da. "Hydrodynamic dispersion in suspensions." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338138.

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Townsend, A. K. "The mechanics of suspensions." Thesis, University College London (University of London), 2017. http://discovery.ucl.ac.uk/1559911/.

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Suspension mechanics—the flow of a fluid with small fragments of solid material suspended in it—is an area of wide applicability in both industry and nature. Examples include the transport of silt in rivers, the manufacture of toothpaste, and inkjet printing where pigments remain solid within the ink. One widespread method to simulate these flows is Stokesian Dynamics, a truncated multipole expansion of the Stokes equations. It is computationally efficient while making a reasonable approximation to the hydrodynamic interactions between particles; however, all particles are identical spheres and the background matrix must be Newtonian. This project extends Stokesian Dynamics to include differently-sized spheres. This allows us to study a variety of previously inaccessible suspension problems. In many suspensions, e.g. toothpaste, the suspending fluid itself is non-Newtonian and exhibits viscoelastic properties. We have extended Stokesian Dynamics to incorporate a simple model of viscoelasticity by using the small spheres as 'beads' in bead--spring dumbbells. Different spring laws are then tested in shear, and their rheological behaviour is compared to continuum constitutive models. Next, we replicate experiments in which a large sphere is dropped through a suspension of neutrally buoyant smaller spheres undergoing oscillatory shear flow. We qualitatively replicate the principal experimental observation—that at the moment of shear reversal, the suspension microstructure hinders the falling; while at the instant of fastest shear, it enhances the falling. We propose a physical mechanism explaining the observations. Finally, we extend Stokesian Dynamics to properly implement interparticle frictional contact. Contact forces are a critical component of shear thickening in suspensions such as cornflour, yet are usually implemented in an ad hoc way, resulting in inaccurate predictions or high computational cost. The new method allows us to investigate contact models quickly and efficiently, and suggests an important factor in models of strongly shear-thickening fluids.

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Cortright, Emily Celia. "Microfluidics of DNA Suspensions." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1242236618.

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Burelbach, Jérôme. "Thermophoresis in colloidal suspensions." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/274357.

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This dissertation examines the motion of colloids in a temperature gradient, a non-equilibrium phenomenon also known as thermophoresis. Chapter 1 gives an introduction to the existing applications and basic concepts of thermophoresis and outlines some of the experimental and theoretical challenges that serve as a motivation for this PhD project. In Chapter 2, a general theoretical description for thermophoresis is formulated using the theory of non-equilibrium thermodynamics. The colloidal flux is split up into an interfacial single-colloid contribution and a bulk contribution, followed by a determination of transport coefficients based on Onsager’s reciprocal relations. It is further shown how the phenomenological expression of the thermophoretic flux can be recovered when the fluid is at steady-state. The results issuing from this description are then discussed and compared to other existing approaches, some of which are shown to neglect the hydrodynamic character of colloidal thermophoresis. Chapter 3 is dedicated to the validation of the introduced theoretical framework by means of computer simulations, using a simulation technique known as multi-particle collision dynamics. More specifically, the dependence of the thermophoretic force on different system parameters is examined and deviations from the theoretical prediction are explained by an advective distortion of interfacial fluid properties at the colloidal surface. Chapter 4 presents steady-state measurements of functionalised colloids in a temperature gradient, showing how the addition of molecular surface groups increases the experimental complexity of thermophoretic motion. The relaxation process behind this steady-state is also studied, to determine how the relaxation speed depends on the applied temperature gradient. In chapter 5, a general conclusion is drawn from the presented work and its implications are briefly discussed in relation to the current state of knowledge. Finally, the discussion is closed with an outlook on remaining challenges in understanding colloidal motion that could be the subject of future research.

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Books on the topic "Suspensions"

1

Steven, Gilmartin, and Sibbet Susan Herron, eds. Suspensions. San Francisco: White Mountain Press, 1990.

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Fernandez-Nieves, Alberto, Hans M. Wyss, Johan Mattsson, and David A. Weitz, eds. Microgel Suspensions. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527632992.

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Kulshreshtha, Alok K., Onkar N. Singh, and G. Michael Wall, eds. Pharmaceutical Suspensions. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-1087-5.

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Croccolo, Dario, and Massimiliano De Agostinis. Motorbike Suspensions. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-5149-4.

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Ungarish, Marius. Hydrodynamics of Suspensions. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-01651-0.

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Howe, John S. S.E.C. trading suspensions. New York: Garland Pub., 1993.

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Truck & Bus Meeting & Exposition (1989 Charlotte, N.C.). Advanced truck suspensions. Warrendale, PA: Society of Automotive Engineers, 1989.

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Matschinsky, Wolfgang. Road vehicle suspensions. London, UK: Professional Engineering Pub., 2000.

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Royal Canadian Mounted Police External Review Committee. Suspensions: A balanced view. [Ottawa]: The Committee, 1988.

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Engineers, Society of Automotive, and SAE International Congress & Exposition (1996 : Detroit, Mich.), eds. Suspensions and steering technology. Warrendale, PA: Society of Automotive Engineers, 1996.

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Book chapters on the topic "Suspensions"

1

Phan-Thien, Nhan, and Nam Mai-Duy. "Suspensions." In Understanding Viscoelasticity, 149–57. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62000-8_8.

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Phan-Thien, Nhan. "Suspensions." In Understanding Viscoelasticity, 131–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-10704-1_8.

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Phan-Thien, Nhan. "Suspensions." In Understanding Viscoelasticity, 137–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32958-6_8.

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Coussot, Philippe. "Suspensions." In Rheophysics, 81–119. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06148-1_3.

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Tadros, Tharwat. "Suspensions." In Encyclopedia of Colloid and Interface Science, 1334–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-20665-8_44.

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Genta, Giancarlo, and Lorenzo Morello. "Suspensions." In Mechanical Engineering Series, 133–242. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-35635-4_3.

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Holtzinger, Gérard. "Suspensions." In Formulation, 147–84. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118616574.ch6.

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This vo Kientza, Hervé. "Suspensions." In Calculating and Problem Solving Through Culinary Experimentation, 263–72. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003298151-10.

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Pelton, Robert, and Todd Hoare. "Microgels and Their Synthesis: An Introduction." In Microgel Suspensions, 1–32. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527632992.ch1.

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Alsayed, Ahmed M., Yilong Han, and Arjun G. Yodh. "Melting and Geometric Frustration in Temperature-Sensitive Colloids." In Microgel Suspensions, 229–81. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527632992.ch10.

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Conference papers on the topic "Suspensions"

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Romanov, M. M. "SPORTS INDEPENDENT SUSPENSIONS." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. ООО «ДГТУ-Принт» Адрес полиграфического предприятия: 344003, г. Ростов-на-Дону, пл. Гагарина,1., 2024. http://dx.doi.org/10.23947/interagro.2024.202-206.

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The suspensions used in sports cars are rigid and are not intended for cargo transportation. The use of such types of suspension as push-rod and pull-rod similar in design is widespread in Formula 1. The design and principle of operation of these suspensions, advantages over civilian types. The introduction of such types of suspension in civilian cars to improve rigidity when entering turns.

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Braccini, Stefano. "Suspensions." In Third edoardo amaldi conference on gravitational waves. AIP, 2000. http://dx.doi.org/10.1063/1.1291852.

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Rogovin, D., J. Scholl, R. Pizzoferrato, M. de Spirito, M. Marinelli, and U. Zammit. "Polarization modulation in shaped microparticle suspensions." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.fk3.

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This paper presents a combined theoretical and experimental study of polarization modulation of laser light in an aqueous suspension of shaped PTFE microparticles that are maintained in an ac electric field. Both steady-state and transient behavior are examined, with theory and experiment being in excellent agreement. This work complements previous studies of the influence of an electric field on the optical characteristics of shaped microparticle suspensions that focused on electric field-induced birefringence. Furthermore, these studies examine the transient and steady-state properties of PTFE in both the weak (electric) field, i.e., the diffusive regime, as well as the strong field, drift regime yielding a complete picture of the suspension’s dynamics and optical characteristics. As a result of the large microparticle anisotropic susceptibilities of PTFE, the different polarization states can be readily achieved with relatively modest electric field strengths of the order of several hundred volts/cm for volume fractions on the order of 1%.

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Ahmadian, Mehdi, Brian A. Reichert, and Xubin Song. "Harmonic Analysis of Semiactive Suspensions." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/vib-4122.

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Abstract This paper studies the behavior of semiactive suspensions subjected to a pure-tone input. A base-excited system, representing a single suspension, is used to compare the vibration isolation due to a conventional passive damper, an optimal passive damper, and two different types of semiactive dampers. The semiactive dampers considered are on-off (bang-bang) and continuously-variable semiactive dampers. Similar to the optimal suspension, both on-off and continuously-variable semiactive suspensions exhibited the ability to lower the resonance peak without worsening the isolation at higher frequencies. The results further show that semiactive dampers can be useful for a variety of applications including sensitive machinery that cannot tolerate any overshoot in power-up or power-down, and yet must have good isolation during normal operation.

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Shannan, J. E., and M. J. Vanderploeg. "A Vehicle Handling Model With Active Suspensions." In ASME 1988 Design Technology Conferences. American Society of Mechanical Engineers, 1988. http://dx.doi.org/10.1115/detc1988-0068.

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Abstract This paper presents two different vehicle models used to investigate the effects of active suspensions. One is a linear seven degree of freedom ride model. The second is a nonlinear ten degree of freedom ride and handling model. Full state feedback optimal control algorithms are developed for both models. The seven degree of freedom model is used to study ride effects. The active suspension substantially reduced the motions of the sprung mass. The ten degree of freedom model is used to study the effects of the active suspension on the directional response characteristics of the vehicle. The handling characteristics exhibited by the active suspension are very similar to those of the passive suspension. However, the active suspension did significantly reduce sprung mass motions during the handling maneuvers. It is then illustrated that by altering various feedback gains, active suspensions can be made to change the handling characteristics in the nonlinear range.

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Barbieri, Nilson. "Suspensions Optimization." In SAE Brasil. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/921491.

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Ahmadian, Mehdi, and David E. Simon. "Improving Roll Stability of Vehicles With High Center of Gravity by Using Magneto-Rheological Dampers." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32950.

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The performance of a new semiactive control method for improving roll stability of sport utility vehicles (SUVs) is discussed, using a series of road tests. The new method augments the conventional skyhook control for semiactive suspensions with steering input, in order to account for the suspension requirements during a lateral maneuver. After discussing the formulation for the steering input augmented (SIA) skyhook control, the paper includes the implementation of a semiactive system with magneto-rheological (MR) dampers on a sport utility vehicle. The vehicle is used for a series of road tests that includes lane change maneuvers, with different types of suspensions. The suspensions that are tested include the stock suspension, the uncontrolled MR dampers, skyhook control, and SIA skyhook. The results of the study show that SIA skyhook can improve the suspension travel and lateral forces at the vehicle body during maneuvers, as compared to other suspensions evaluated on the vehicle.

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Toma, F. L., S. Langner, M. M. Barbosa, L. M. Berger, C. Rödel, and A. Potthoff. "Influence of the Suspension Characteristics and Spraying Parameters on the Properties of Dense Suspension-HVOF Sprayed Al2O3 Coatings." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and A. McDonald. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p0399.

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Abstract In this work suspension-HVOF spraying (S-HVOF) was used to prepare dense and mechanical stable Al2O3 sprayed coatings with high contents of α-Al2O3 phase. Aqueous suspensions with various contents of powder (from 25 wt.% up to 50 wt.%) have been developed starting from two commercial α-Al2O3 powders, characterized by different purity and particle sizes. The suspensions have been internally injected in a modified combustion chamber of a HVOF TopGun-torch. Coating microstructures, phase compositions and mechanical properties resulting from the interaction between suspension characteristics and spray parameters are presented. Use of suspensions with high solid contents allowed the production of thick, dense and mechanically stable coatings. The α-Al2O3 was the main phase in the coatings produced through the injection of suspensions containing powders with very high purity.

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Killinger, A., P. Müller, and R. Gadow. "High Velocity Suspension Flame Spraying of Nano Oxide Containing Suspensions." In ITSC2011, edited by B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and A. McDonald. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p0044.

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Abstract In HVSFS (High Velocity Suspension Spraying), a suspension is axially fed into the combustion chamber of a modified HVOF torch. The particle formation is strongly influenced by the phenomena occurring during the short dwell time in the combustion chamber and expansion nozzle, i.e. break up and evaporation of the liquid jet, particle formation, sintering and melting. Optimization of the spray torch has already led to an improved coating process but is still an important topic for the future. A deeper understanding of the suspension liquid / flame interaction is still necessary to control coating properties. It turns out, that among other process parameters, rheological properties and agglomeration behaviour of the suspension have a strong influence of the particle formation and hence resulting coating properties. As a result of using nano particles HVSF sprayed coatings show partly different microstructures compared to HVOF sprayed coatings. To gain a deeper understanding of the process particles were collected in-flight to get information about the size distribution and melting degree during the spray process. The paper will give an overview of the present state of HVSFS development at the IFKB and present experimental results.

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Cao, Dongpu, Subhash Rakheja, and Chun-Yi Su. "A Generalized Model of a Class of Interconnected Hydro-Pneumatic Suspensions and Analysis of Pitch Properties." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13961.

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The static and dynamic properties of pitch-interconnected hydro-pneumatic vehicle suspensions are derived using a generalized analytical model. The suspensions incorporate two compact struts with integrated gas chambers and damping valves within each unit. The struts provide superior flexibility in realizing fluidic couplings, while offering large effective working area. The proposed suspension configurations consist of hydraulic, pneumatic or hybrid fluidic couplings between the front and rear suspension struts. The coupling effects due to different interconnected suspensions are established through the mathematical formulations. A generalized model of the hydro-pneumatic suspensions is developed that could be applied for either the roll or pitch plane of the vehicle, permitting analyses of suspension forces in a very simple manner. The 7-DOF pitch plane model of a heavy vehicle is analyzed to derive the relative vertical and pitch properties of different suspension configurations, in terms of suspension rates, pitch stiffness, bounce and pitch mode damping properties. The results suggest that the use of fluidic interconnections could yield considerable design flexibility and reduced coupling between the bounce and pitch stiffness properties, while the hydraulic and hybrid fluidic couplings offer added flexibility in tuning the bounce and pitch damping characteristics. The influence of load distribution on the bounce and pitch stiffness properties is also explored.

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Reports on the topic "Suspensions"

1

Lou, Z., C. B. Winkler, R. D. Ervin, F. E. Filisko, and P. J. Venhovens. Electrorheology for Smart Automotive Suspensions. Fort Belvoir, VA: Defense Technical Information Center, June 1994. http://dx.doi.org/10.21236/ada285543.

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Andreas Acrivos. The Rheology of Concentrated Suspensions. Office of Scientific and Technical Information (OSTI), September 2004. http://dx.doi.org/10.2172/829586.

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Cheng, Shengfeng, Steven James Plimpton, Jeremy B. Lechman, and Gary Stephen Grest. Drying/self-assembly of nanoparticle suspensions. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/993324.

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Leung-Gagné, Melanie, Jennifer McCombs, Caitlin Scott, and Daniel Losen. Pushed out: Trends and disparities in out-of-school suspension. Learning Policy Institute, September 2022. http://dx.doi.org/10.54300/235.277.

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During the 1990s and early 2000s, federal and state policies encouraged the implementation of zero-tolerance policies across the country, which helped fuel an overall increase in the use of suspension and expanded racial disparities in suspension. Recent changes in policy and practice have begun to shift educators away from exclusionary discipline, and we review those changes and trends in this report. We examine out-of-school suspension data from the Civil Rights Data Collection (CRDC), tracking trends over time. We also assess differences in suspension rates of students based on their race and ethnicity, school level, and disability status. We present data at national and state levels, and because out-of-school suspensions are concentrated in secondary schools, we focus our state-level findings on secondary school students. We explore the ways in which changes in suspension rates may be related to changes in policy, and we make recommendations for additional strategies to reduce school exclusion for all students, and in particular for those who have disproportionately experienced its negative effects.

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Kim, B., M. Zelinski, C. Criner, N. Senapati, H. Muralidhara, B. Jirjis, R. Beard, C. Cummings, and S. Chauhan. Electroacoustic dewatering of food and other suspensions. Office of Scientific and Technical Information (OSTI), May 1989. http://dx.doi.org/10.2172/5557923.

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Li, Chuanping. Rheological Properties of Aqueous Nanometric Alumina Suspensions. Office of Scientific and Technical Information (OSTI), January 2004. http://dx.doi.org/10.2172/835308.

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Tavlarides, Lawrence L., and Margaret Greenwood. Acoustic Probe for Solid-Gas-Liquid Suspensions. Office of Scientific and Technical Information (OSTI), June 1999. http://dx.doi.org/10.2172/828055.

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Diebold, Gerald, J. Photoacoustic and Photothermal Effects in Particulate Suspensions. Office of Scientific and Technical Information (OSTI), April 2009. http://dx.doi.org/10.2172/1057187.

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Haines, B. M., L. V. Berlyand, and D. A. Karpeev. Numerical homogenization on approach for stokesian suspensions. Office of Scientific and Technical Information (OSTI), January 2012. http://dx.doi.org/10.2172/1033864.

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Malghan, Subhas G., and Subhas G. Malghan. Electroacoustics for characterization of particulates and suspensions. Gaithersburg, MD: National Institute of Standards and Technology, 1993. http://dx.doi.org/10.6028/nist.sp.856.

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