The minimum flow rate scaling of Taylor cone-jets
... viscous time scale may be much shorter than the simple scaling of tv qD2 =l. (For example, the viscous decay time is tv/20 during drop oscillation,55 which is sometimes used as a first approximation to cone oscillation.24,56) In future, the capillary-viscous scaling Eq. (2) should be further asses ...
... viscous time scale may be much shorter than the simple scaling of tv qD2 =l. (For example, the viscous decay time is tv/20 during drop oscillation,55 which is sometimes used as a first approximation to cone oscillation.24,56) In future, the capillary-viscous scaling Eq. (2) should be further asses ...
Design of Filled One Step Chip Attach Materials for
... increased the shear thinning behavior can increase as well but a loading level is reached where the system begins to thicken with shear from the interactions between the filler particles [7] which can work against uniform flow during die placement. At high filler loading levels the high shear viscos ...
... increased the shear thinning behavior can increase as well but a loading level is reached where the system begins to thicken with shear from the interactions between the filler particles [7] which can work against uniform flow during die placement. At high filler loading levels the high shear viscos ...
Processing_I TEPE
... 1. drag flow : molten plastic is pushed forward (along screw edges) 2. pressure flow : reverse flow due to high end pressure 3. leak flow : reverse flow over screw edges Drag Flow (result of frictional force) ...
... 1. drag flow : molten plastic is pushed forward (along screw edges) 2. pressure flow : reverse flow due to high end pressure 3. leak flow : reverse flow over screw edges Drag Flow (result of frictional force) ...
Title Goes Here
... can be explained by the decrease of the number of grains over the cross-section. The specific conditions of orientation and size of every single grain are now reflected in the forming result as it is no longer averaged by a huge number of grains. For example, the micro size tensile tests at room tem ...
... can be explained by the decrease of the number of grains over the cross-section. The specific conditions of orientation and size of every single grain are now reflected in the forming result as it is no longer averaged by a huge number of grains. For example, the micro size tensile tests at room tem ...
Settling and Sedimentation
... • The velocity horizontally to the right must be slow enough to allow time for the smallest droplets to rise from the bottom to the interface or form the op down to the interface and coalesce. • In Fig 5(b), dust-laden air enters at one end of a large, boxlike chamber. • Particles settle toward the ...
... • The velocity horizontally to the right must be slow enough to allow time for the smallest droplets to rise from the bottom to the interface or form the op down to the interface and coalesce. • In Fig 5(b), dust-laden air enters at one end of a large, boxlike chamber. • Particles settle toward the ...
Measurement of the force exerted on the surface of an object
... are floating. The position of the center of the test surface was about 40 mm above the center of the electrode. Between the edges of the 4.8 cm2 surface and the inner edges of the cavity is a gap of approximately 4 mm. The pendulum consists of two approximately 100 mm long ceramic tubes, where the te ...
... are floating. The position of the center of the test surface was about 40 mm above the center of the electrode. Between the edges of the 4.8 cm2 surface and the inner edges of the cavity is a gap of approximately 4 mm. The pendulum consists of two approximately 100 mm long ceramic tubes, where the te ...
Temperature dependence of liquid Sn sputtering by - CPMI
... Sn due to its relatively high, almost 40% greater at their respective melting points [27], surface tension and could therefore be an additional erosion enhancement mechanism not measured in the present study. Further work with high incident-ion fluxes of the order of 1019–1021 m 2 s 1 is thus necessa ...
... Sn due to its relatively high, almost 40% greater at their respective melting points [27], surface tension and could therefore be an additional erosion enhancement mechanism not measured in the present study. Further work with high incident-ion fluxes of the order of 1019–1021 m 2 s 1 is thus necessa ...
1 PHYSICS 231 Lecture 20: material science and pressure
... L / L0 A rod with a cross section A of 1 cm2 is stretched by 1 mm if a force of 1000 N is applied. If on a rod of the same material but which is 2x loner and has a cross section of 2 cm2 a force of 2000 N is applied, it will stretch by: a) b) c) d) ...
... L / L0 A rod with a cross section A of 1 cm2 is stretched by 1 mm if a force of 1000 N is applied. If on a rod of the same material but which is 2x loner and has a cross section of 2 cm2 a force of 2000 N is applied, it will stretch by: a) b) c) d) ...
NUCLEATION PRIMARY SECONDARY (induced by crystals
... incorporating of units. This stage of the crystallization process is known as crystal growth [Mye01, Mul01]. Nucleation and crystal growth are the primary particle formation processes during crystallization and have large effects in determining product crystal size distributions [Jon02]. Crystal’s g ...
... incorporating of units. This stage of the crystallization process is known as crystal growth [Mye01, Mul01]. Nucleation and crystal growth are the primary particle formation processes during crystallization and have large effects in determining product crystal size distributions [Jon02]. Crystal’s g ...
Fabrication of Low-Cost Paper-Based Microfluidic Devices by
... channels on top of a layer of non-patterned RF paper. The channels are 2 mm wide and ~ 80 mm long. This device has two polyethylene tubes attached to the bottom layer of RF paper to deliver gases, through the paper, into the channels (Figure 6a). Two aqueous solutions of pH indicator (yellow—Phenol ...
... channels on top of a layer of non-patterned RF paper. The channels are 2 mm wide and ~ 80 mm long. This device has two polyethylene tubes attached to the bottom layer of RF paper to deliver gases, through the paper, into the channels (Figure 6a). Two aqueous solutions of pH indicator (yellow—Phenol ...
downey_poster - SURF-IT Summer Research
... SiN and SiO wafer surfaces. •BSA dyed with Fluorescamine. •Q-β Bacteria Phage dyed with Alexa Fluoro. •We also tested the dyes Rhodamine GG , Fluorescamine, and Alexa Fluoro to ensure they did not adhere to the surface, giving false positives. A spectro-fluorometer was used for detection and set to ...
... SiN and SiO wafer surfaces. •BSA dyed with Fluorescamine. •Q-β Bacteria Phage dyed with Alexa Fluoro. •We also tested the dyes Rhodamine GG , Fluorescamine, and Alexa Fluoro to ensure they did not adhere to the surface, giving false positives. A spectro-fluorometer was used for detection and set to ...
Effects of surface charge density and distribution on the
... adsorption intensifies for highly charged surface atoms. On the contrary, at low surface charge densities with all surface atoms carrying the same partial charge, ions don’t adsorb on the surface at all. ...
... adsorption intensifies for highly charged surface atoms. On the contrary, at low surface charge densities with all surface atoms carrying the same partial charge, ions don’t adsorb on the surface at all. ...
Relation between Surface Tension and Graphite Shape in Cast Iron
... consequence, graphite shape monitoring is strongly recommended. Although many methods have been invented or developed,4–7) the most widely used ones are metallographic observation and thermal analysis. As accurate they are, their measuring time is too long and their operation is too complicated. The ...
... consequence, graphite shape monitoring is strongly recommended. Although many methods have been invented or developed,4–7) the most widely used ones are metallographic observation and thermal analysis. As accurate they are, their measuring time is too long and their operation is too complicated. The ...
Thermodynamic properties of liquid mercury to 520 K and 7 GPa
... spot on the opposite surface of the sample. The variation of reflectivity as a function of time is detected through the probe intensity variations. These variations are due to thermal and acoustic effects which alter the optical reflectivity. The photo-elastic and the photo-thermal coefficients cont ...
... spot on the opposite surface of the sample. The variation of reflectivity as a function of time is detected through the probe intensity variations. These variations are due to thermal and acoustic effects which alter the optical reflectivity. The photo-elastic and the photo-thermal coefficients cont ...
4.1.5 hydrophilic coating materials
... Figure 3. Typical chemical structure of a non-ionic surfactant. There have been many attempts in the past to develop surfactant based hydrophilic coatings, especially for automotive applications by different glass companies and research groups [3-10]. However all of them suffered from low scratch ha ...
... Figure 3. Typical chemical structure of a non-ionic surfactant. There have been many attempts in the past to develop surfactant based hydrophilic coatings, especially for automotive applications by different glass companies and research groups [3-10]. However all of them suffered from low scratch ha ...
HamedAIAA-2005-1248 - Department of Aerospace
... are approximated using a second order central difference scheme stabilized with scalar artificial dissipation. Local time stepping, implicit residual smoothing, scaled dissipation function, and a multigrid technique are employed to accelerate convergence. The algebraic BaldwinLomax model, one equati ...
... are approximated using a second order central difference scheme stabilized with scalar artificial dissipation. Local time stepping, implicit residual smoothing, scaled dissipation function, and a multigrid technique are employed to accelerate convergence. The algebraic BaldwinLomax model, one equati ...
Tip Streaming from a Drop in the Presence of Surfactants
... was made proportional to the minimum surface tension. The mass balance equation is solved using standard second order finite difference approximations with an implicit time step. The convective term of the mass balance equation is discretized using an upwinding scheme to damp out oscillations when c ...
... was made proportional to the minimum surface tension. The mass balance equation is solved using standard second order finite difference approximations with an implicit time step. The convective term of the mass balance equation is discretized using an upwinding scheme to damp out oscillations when c ...
Problem 4. Breaking spaghetti
... w+ w0, w0 initial deflection (spaghetti mass) F load applied at end ...
... w+ w0, w0 initial deflection (spaghetti mass) F load applied at end ...
1 PHYSICS 231 Lecture 23: material science and pressure
... L / L0 AL Beyond the elastic limit an object is permanently deformed (it does not return to its original shape if the stress is removed). PHY 231 ...
... L / L0 AL Beyond the elastic limit an object is permanently deformed (it does not return to its original shape if the stress is removed). PHY 231 ...
Validation of Marker Material Flow in 4mm Thick Friction Stir
... to the onion ring or banded structures within the weld nugget. This is important if one wishes to correlate the relationship between material flow or banding with that of crack growth within the weld nugget under cyclic e.g. fatigue loading. Obtaining a 3D marker distribution for flow studies is not ...
... to the onion ring or banded structures within the weld nugget. This is important if one wishes to correlate the relationship between material flow or banding with that of crack growth within the weld nugget under cyclic e.g. fatigue loading. Obtaining a 3D marker distribution for flow studies is not ...
Class 7
... is not likely to compete with these traditional technologies on a cost basis. However, applications that require high resolution printing will probably benefit from micromachined nozzles. At a resolution of 1,200 dots per inch (dpi), the spacing between adjacent nozzles in a linear array is about 21 ...
... is not likely to compete with these traditional technologies on a cost basis. However, applications that require high resolution printing will probably benefit from micromachined nozzles. At a resolution of 1,200 dots per inch (dpi), the spacing between adjacent nozzles in a linear array is about 21 ...
Particle Size Enlargement - Systematic Reviews in Pharmacy
... Particle properties affecting flow and compactibility All particles show cohesion and adhesion properties. This is mainly due to the attraction between particles. The attraction between the particles influences the packing and flow of powders. On a molecular level, the characteristic surface roughne ...
... Particle properties affecting flow and compactibility All particles show cohesion and adhesion properties. This is mainly due to the attraction between particles. The attraction between the particles influences the packing and flow of powders. On a molecular level, the characteristic surface roughne ...
ieee-icra-2005
... used for insulating as well as conducting materials. And patterning by the AFM tip is a non-damaging process with higher precision of alignment and narrower width of lithography than those obtained by the use of photon, electron and scanning probe lithography. In contact mode, the probe is in conta ...
... used for insulating as well as conducting materials. And patterning by the AFM tip is a non-damaging process with higher precision of alignment and narrower width of lithography than those obtained by the use of photon, electron and scanning probe lithography. In contact mode, the probe is in conta ...
CHEMGUARD S-100
... Chemguard S-100 is a dilute solution composed of 25% active fluorosurfactant in a water and solvent miscible diluent. Typical uses include leveling and anti-static agents for photographic coatings, floor polishes, paints and coatings, adhesives, inks, waxes, caulks, pickling and plating baths, and i ...
... Chemguard S-100 is a dilute solution composed of 25% active fluorosurfactant in a water and solvent miscible diluent. Typical uses include leveling and anti-static agents for photographic coatings, floor polishes, paints and coatings, adhesives, inks, waxes, caulks, pickling and plating baths, and i ...
The Liquid State
... Three different phases of matter are familiar to us - solid, liquid and gas. Liquids and gases flow while a solid under normal conditions does not. A solid retains its shape while a fluid (a collective name for gases and liquids) will take the shape of the containing vessel. In other words a solid i ...
... Three different phases of matter are familiar to us - solid, liquid and gas. Liquids and gases flow while a solid under normal conditions does not. A solid retains its shape while a fluid (a collective name for gases and liquids) will take the shape of the containing vessel. In other words a solid i ...