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heat transfer partitioning

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Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001335
EISBN: 978-1-62708-173-3
... the: total heat transferred to the base metal; partitioning of heat transfer between the arc and the molten electrode droplets; transfer modes of the droplets; role of the arc in droplet transfer; and simple model for welding procedure development based on an understanding of heat and mass transfer...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005621
EISBN: 978-1-62708-174-0
... transfer modes occur; globular transfer occurs at lower electrode speeds, and electrode contacts the weld pool at higher electrode speeds. Source: Ref 1 The issues described in this article include the following: Total heat transferred to the base metal Partitioning of heat transfer...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005226
EISBN: 978-1-62708-187-0
.../microsegregation. Rapid solidification of crystalline alloys clearly involves the rapid removal of superheat and latent heat of fusion by an appropriate heat sink. For application of the solidification theory, it is often useful to estimate the liquidus isotherm velocity for a given heat-transfer situation...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005237
EISBN: 978-1-62708-187-0
... W.D. and Incropera F.P. , Continuum Model for Momentum, Heat and Species Transport in Binary Solid-Liquid Phase Change System, Part I: Model Formulation , Int. J. Heat Mass Transfer , Vol 30 , 1987 , p 2161 – 2170 14. Beckermann C. and Viskanta R. , Double-Diffusive...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005520
EISBN: 978-1-62708-197-9
.... Taylor R.P. , Berry J.T. , and Overfelt R.A. , Parallel Derivation and Comparison of Feeding-Resistance Porosity Criteria Functions for Castings , The 1996 31st ASME National Heat Transfer Conference (Part 1 of 8), Aug 3–6, 1996 ( Houston, TX ), ASME, New York, NY, 1996 60...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005542
EISBN: 978-1-62708-197-9
... )                         = ∇ ⋅ ( k ∇ T ) − p ∇ ⋅ v + τ : D + Q ˙   H = enthalpy density   p = pressure   D = rate of deformation tensor   τ : D = work done by the shear stress   Q = rate of heat transfer  Solute balance ∂ ρ C ∂ t + ∇ ⋅ ( ρ C v...
Book Chapter

Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005816
EISBN: 978-1-62708-165-8
.... , Clark J.A. , and Rohsenow W.M. , Void Volumes in Subcooled Boiling , U.S. National Heat Transfer Conference ( Chicago ), 1985 54. Basu N. , Warrier G.R. , and Dhir V.K. , Wall Heat Flux Partitioning during Subcooled Flow Boiling, Part 1: Model Development , J. Heat...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005525
EISBN: 978-1-62708-197-9
... of the transport equations. heat transfer properties mass transfer coefficient metals and alloys numerical methods solidification IN THE PROCESSING OF MOST METAL PRODUCTS, a critical step is the solidification of an alloy from a melt to make an ingot or a part with a particular shape. Frequently...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003594
EISBN: 978-1-62708-182-5
... serve as high-temperature reducing agents in the production of metals (such as the use of molten magnesium to produce titanium), and, because of their excellent heat- transfer properties, liquid metals have been used or considered as coolants in a variety of power- producing systems. Examples...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001339
EISBN: 978-1-62708-173-3
...- manganese ore Calcium carbonate Complex silicates Fluorspar Ferroalloys Cellulosic 6010 20–60 10–50 15–30 0–15 5–10 … … … … … … Cellulose promotes gas shielding in the arc region. Hydrogen increases heat at weld. High hydrogen content (30–200 ppm). Deep penetration, fast cooling weld...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001052
EISBN: 978-1-62708-161-0
... forms to meet the requirements imposed by the aircraft industry. Nickel-base superalloys were created at approximately the turn of the century with the addition of 20 wt% Cr in an 80 wt% Ni alloy for electrical heating elements ( Ref 8 ). In the late 1920s, small amounts of aluminum and titanium...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005571
EISBN: 978-1-62708-174-0
... Ferromanganese Organics Iron ore-manganese ore Calcium carbonate Complex silicates Fluorspar Ferroalloys Cellulosic 6010 20–60 10–50 15–30 0–15 5–10 … … … … … … Cellulose promotes gas shielding in the arc region. Hydrogen increases heat at weld. High hydrogen content (30–200 ppm). Deep...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001239
EISBN: 978-1-62708-170-2
... that the average load applied to a particle is no greater than 1 N under typical conditions ( Ref 20 ). If this load is assumed to act on a particle sliding at a velocity less than 0.5 m/s, a heat partition and heat-transfer analysis carried out along the lines of the grinding calculations described earlier shows...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003817
EISBN: 978-1-62708-183-2
... Plasma arc CR, TW, P Very smooth high-quality deposits Some overspray (powder loss) with plasma-transferred arc process Flame spray P Very smooth deposit (after fusing) Maximum thickness of 3.2 mm (0.126 in.) Plasma spray P No dilution, no distortion Only thin coatings, not 100% dense...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001728
EISBN: 978-1-62708-178-8
... an elemental analysis of a metal or alloy. Speed is critical in the steel industry, for which a melt from a production furnace must be sampled and analyzed and the concentrations of alloying elements adjusted to within predetermined ranges. During the production of a heat of steel, the metal is sampled...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006659
EISBN: 978-1-62708-213-6
... when measuring molecules that contain halogens (for example, pesticides) and polychlorinated biphenyls (toxic substances that were used widely as heat-transfer fluids). The ECD uses a radioactive energy source to charge, or ionize, the carrier gas. The radioactive energy source is a β-emitter. (β-rays...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006470
EISBN: 978-1-62708-190-0
... arbitrary unit. Points A and A′ correspond to the first critical angle, and point B to the second critical angle, for this system. Fig. 12 Partition of acoustic energy at a water-steel interface. The reflection coefficient, R , is equal to 1 – ( L + S ), where L is the transmission...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006640
EISBN: 978-1-62708-213-6
... , 2017 , p 123 – 132 , 10.1016/j.sab.2017.05.006 9. Goldstein S.A. and Walter J.P. , Charge Transfer Excitation in Atmospheric Spark Discharges , Tenth Natl. Mtg. Soc. Appl. Spectros . (Abstracts only), Oct 18–22 , 1971 ( St. Louis MO ), p 53 10. Grimm W...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005501
EISBN: 978-1-62708-197-9
... industry applications are presented. casting casting defects ductile cast iron hot tearing macrosegregation microstructure porosity solidification thermophysical properties CASTING AND SOLIDIFICATION PROCESSES are modeled in terms of thermodynamics, heat transfer, fluid flow, stress...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005234
EISBN: 978-1-62708-187-0
... flow requires solution of the Navier-Stokes equations that couple momentum and mass conservation. The solution of these equations is coupled to the heat and species transport because it requires an accounting of the momentum transfer between the solid and liquid phases due to the dependence of buoyancy...