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Keywords: drops
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Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2010, 132(5): 051001.
Published Online: September 10, 2010
... to occur when the main-drop spacing was five to seven times the jet diameter ( 23 ). Rallison found that drops with a low viscosity achieved a stable shape and were only broken by a high flow rate fluid ( 24 ). On the numerical side, Lee found that the satellite drop volume depended on the wavelength-jet...
Journal Articles
Article Type: Special Issue On Nanomanufacturing
J. Manuf. Sci. Eng. June 2010, 132(3): 030905.
Published Online: May 19, 2010
... up to 380 mN s / m 2 , far above the typical printable range. 20 04 2009 06 04 2010 19 05 2010 19 05 2010 additives drops ink jet printing micromachining nozzles orifices (mechanical) piezoelectric transducers surface tension ultrasonic machining viscosity...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2009, 131(2): 021010.
Published Online: March 27, 2009
... or is roughened. 27 11 2007 05 01 2009 27 03 2009 drops flexible manufacturing systems liquid metals rapid prototyping (industrial) surface roughness wetting If the surface is perfectly smooth, or if the liquid wets the surface completely and fills in all the surface defects...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2008, 130(4): 041011.
Published Online: July 15, 2008
... frequency). Experiments were also conducted on the formation of lines by depositing 20 droplets. Measurements on the drawback of two droplets were used to predict conditions under which broken lines are obtained. 02 08 2007 12 05 2008 15 07 2008 cooling drops heat transfer surface...
Journal Articles
Article Type: Special Section: Micromanufacturing
J. Manuf. Sci. Eng. June 2008, 130(3): 031118.
Published Online: June 12, 2008
.... 13 10 2006 22 01 2007 12 06 2008 cutting milling micromachining sprays drops aerodynamics milling machines cutting tools coolants Micromachining, in particular, micromilling and microdrilling, provides both a viable and potentially preferable process to satisfy...
Topics: Cutting, Fluids
Journal Articles
Article Type: Special Section: Micromanufacturing
J. Manuf. Sci. Eng. June 2008, 130(3): 031113.
Published Online: May 16, 2008
...Taik-Min Lee; Tae Goo Kang; Jeong Soon Yang; Jeongdai Jo; Kwang-Young Kim; Byung-Oh Choi; Dong-Soo Kim In this paper, we present the design, fabrication, and performance test of a gap adjustable molten metal drop-on-demand (DoD) inkjet system with a cone-shaped piston head, which can eject...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2007, 129(4): 717–725.
Published Online: March 5, 2007
... presents an analytical model to estimate evaporation time for the impacting drops at surface temperatures above Leidenfrost, 300 – 450 ° C . It is based on the suspension of deformed droplet on a vapor cushion sustained by a continuous supply of water from the drying droplet. Model predictions...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2007, 129(5): 874–884.
Published Online: January 16, 2007
... + ∣ v r − 1 ∣ i , j ∣ A r ∣ i − 1 , j 2 r i = 0 Then the updated pressures can be used to get the values of velocities for the next time level. 09 02 2006 16 01 2007 finite difference methods drops dies (machine tools) sprays...
Topics: Drops, Lubricants
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. April 2007, 129(2): 311–318.
Published Online: September 20, 2006
... bonding between droplets and uniform diameter. 01 01 2006 20 09 2006 liquid metals drops solidification heat transfer rapid prototyping (industrial) liquid phase deposition production engineering computing droplet-based manufacturing droplet deposition remelting...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. February 2006, 128(1): 307–314.
Published Online: July 11, 2005
... and Engineering of Droplets , Noyes , New York. Sohn , H. , and Yang , D. Y. , 2004 , “ Drop-on-Demand Deposition of Superheated Metal Droplets for Selective Infiltration Manufacturing ,” Mater. Sci. Eng., A 0921-5093 10.1016/j.msea.2004.09.049 , 392 ( 1–2 ), pp. 415 – 421 . Pasandideh...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2004, 126(3): 417–425.
Published Online: September 7, 2004
... starts, and in a very short period of time the critical concentration level stated above is exceeded. However, once fluid application stops, the concentration decays exponentially at a rate of decrease that is largely associated with the settling mechanism. When the concentration drops below the critical...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2004, 126(3): 426–434.
Published Online: September 7, 2004
... fluid dynamics turning (machining) drops sprays Part 1 of this paper outlined the benefits and concerns associated with the use of cutting fluid and the development of an analytical model that includes the mist generation, settling, and evaporation mechanisms that occur in the presence...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2001, 123(4): 632–638.
Published Online: May 1, 2000
... droplets. Droplets are formed by melting feedstock wire in a conventional gas metal arc welding torch. The droplets free-fall from the torch to the substrate at a rate of 2–3 drops per second and range from 1 mm to 5 mm in diameter. In SDM, after each layer is deposited, it is computer-numerically...
Topics: Drops, Stress
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2001, 123(4): 623–631.
Published Online: May 1, 2000
... thermomechanical treatment drops Solid Freeform Fabrication (SFF) processes allow a computer-aided-design (CAD) model of a part to be transformed into a three-dimensional shape by building the part layer by layer. The variety of SFF processes is well documented in the symposium proceedings edited...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. May 2001, 123(2): 348–355.
Published Online: March 1, 2000
...; revised March 2000. Associate Editor: J. Lee. 01 March 1999 01 March 2000 arc welding drops mass transfer heat transfer In a gas metal arc welding (GMAW) process with argon-rich shielding, a consumable electrode wire is fed, melted, and transferred to the weld pool to form...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2000, 122(3): 484–493.
Published Online: September 1, 1999
... in order to create complicated 3-D geometries (as opposed to depositing the drops onto one location), thereby permitting the droplets to rapidly solidify prior to the arrival of a new splat. Figure 6 illustrates a molten aluminum droplet stream after having traveled a distance of approximately...