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Natural convection during solidification of an alloy from above…
www.itg.cam.ac.uk/people/grae/32.pdf26 Apr 2006: e-mail: grae@esc.cam.ac.uk; heh1@esc.cam.ac.uk. (Received 24 July and in revised form 27 March 1997). ... 24/3λRa1/3 (3.1). between the Nusselt number Nu for thermal convection in the liquid region and theRayleigh number. -
flm483.dvi
www.itg.cam.ac.uk/people/heh/Paper186.pdf5 Jan 2006: The experimentswere generally left to run for 24 hours, but heat loss to the laboratory became asignificant factor after roughly 10 hours. ... dy. dτ= (1 θ). (1 y)(1 Λθ). (3.24). y(τ = 0) = 1, (3.25). -
The Generation of Granitic Magmas by Intrusion of Basalt ...
www.itg.cam.ac.uk/people/heh/Paper83.pdf15 Sep 2006: There is also. [Journal of Petrologf, Vol. 29, P t n 3, pp 599-«24, 1988] Oxford Umvcroty Prcu 19S8. ... FJH,. (24). We determined numerical solutions of (15)—(18) in addition to either (19)—(23) or merely (24).The differences were negligible. -
Gravity currents entering a two-layer fluid
www.itg.cam.ac.uk/people/heh/Paper37.pdf30 May 2006: 24-2. 740 J. Y. Holyer and H. E. Huppert. model for energy dissipation. ... The wavelengths given by (6.3) and (6.4) are 6.1 cm on the lower interface and 24-1 cm on the upper interface. -
The transient behaviour of alloys solidified from below prior to the…
www.itg.cam.ac.uk/people/grae/23.pdf1 Jun 2006: 24 M. G. Worster and R. C. Kerr. with most metals, it has a low entropy of fusion and forms highly branched, rather than prism-like, crystals. -
A new oscillatory instability in a mushy layer during the…
www.itg.cam.ac.uk/people/grae/27.pdf1 Jun 2006: I. / / ,. /. /. 4 8. 36. (TI1 24. I 32. / / / ’. I. -. -_ -._ - _ -.-__ ---_ -.__. 4.5 0 2 4 6 8 10. %. ... 1 4 8 Unstable. It. / / ,. /. /. 36. (TI1 24. 0 0.2 0.4 0.6 6. FIGURE 5. The critical Rayleigh numbers as they vary with the dimensionless -
On gravity currents propagating at the base of a stratified ambient:…
www.itg.cam.ac.uk/people/heh/Paper184.pdf5 May 2006: We areinterested in cases with small C2H because otherwise the distance of propagation issmall, see (3.24), and no real gravity current appears. ... Using the approximations (3.19)–(3.24), we find: (i) for S < 1. -
CONVECTION IN MUSHY LAYERS
www.itg.cam.ac.uk/people/grae/30.pdf26 Apr 2006: Ẇφ̇′. )=(. R 1+ S/C SVC1 V. )(Wφ′. ), (24). whereφ′ = φφe. ... The characteristics of the eigenso-lutions of Equation 24 are shown in Figure 6, the topology of which is preservedby the full system of Equations 9–12 (Anderson & Worster 1996 -
Solidification of a binary alloy of variable viscosity from a…
www.itg.cam.ac.uk/people/heh/Paper129.pdf30 May 2006: University of Cambridge, Silver Street, Cambridge CB3 9EW, UK. (Received 17 October 1994 and in revised form 24 May 1995). ... Each freezing experiment took on the order of 24 hours, after which the solid crystalline block was cut up into pieces and the -
PII: 0012-821X(89)90063-0
www.itg.cam.ac.uk/people/heh/Paper87.pdf27 Apr 2006: Volcanol. Geothermal Res. 24, 1-24, 1985. 7 R.H. Nilson, A.R. McBirney and B.H. ... Volcanol. Geothermal Res. 24, 25-54, 1985. 8 I.H. Campbell and J.S. -
Magnetic resonance imaging of structure and convection in solidifying …
www.itg.cam.ac.uk/people/heh/Paper192.pdf5 May 2006: T = T(c) 5.176 c 13.27 c2 24.16 c3 75.52 c4 (2.1)for 0 < c < 0.7, where T (. C) is the temperature of the freezing ... 1:47, 2:14, 2:22, 2:49, 2:58, 3:24, 3:33, 3:59, 5:16, 5:43, 6:52, 7:46,. -
Gravity currents: a personal perspective
www.itg.cam.ac.uk/people/heh/Paper193.pdf5 May 2006: c). 100. 300. 500. 700. = 0.0500. g′ = 19.24 cm s–2. -
Entrainment into two-dimensional and axisymmetric turbulent gravity…
www.itg.cam.ac.uk/people/heh/Paper131.pdf30 May 2006: J. Fluid Mech. (1996), 001. 308, p p. 289-311 Copyright @ 1996 Cambridge University Press. 289. Entrainment into two-dimensional and axisymmetric turbulent gravity currents. BY M A R K A. H A L L W O R T H ' , H E R B E R T E. H U P P E R T ' , J E -
Particle-driven gravity currents
www.itg.cam.ac.uk/people/heh/Paper115.pdf30 May 2006: 0, for which case the third term in (24) is negligible and the single-layer shallow-water momentum equation is recovered. ... The two-layer model comprises the three equations (17), (21) and (24) for the three variables h, u and 4 that describe the -
Numerical modelling of convection in a reactive porous medium with a…
www.itg.cam.ac.uk/people/heh/Paper191.pdf5 May 2006: J. Fluid Mech. (2006), vol. 549, pp. 99–129. c 2006 Cambridge University Pressdoi:10.1017/S0022112005007500 Printed in the United Kingdom. 99. Numerical modelling of convection ina reactive porous medium with a mobile. mush–liquid interface. By -
PII: 0012-821X(90)90126-I
www.itg.cam.ac.uk/people/grae/13.pdf27 Apr 2006: Once the local Rayleigh number based on 8 exceeds a critical value, as determined by Smith [24] for example, the boundary layer breaks down and the magma begins to convect. -
On gravity currents driven by constant fluxes of saline and…
www.itg.cam.ac.uk/people/heh/Paper188.pdf5 May 2006: 14 24.4 8.5 380 015 25.2 17.1 276 016 26.2 34.1 204 017 25.9 63.2 171 018 103.3 8.3 90 019 ... 164 2.913 25.6 33.3 0.123 510 2.930 24.6 16.8 0.123 270 2.931 50 16.8 0.123 240 2.932 104.1 -
PII: 0012-821X(90)90126-I
www.itg.cam.ac.uk/people/heh/Paper98.pdf27 Apr 2006: Once the local Rayleigh number based on 8 exceeds a critical value, as determined by Smith [24] for example, the boundary layer breaks down and the magma begins to convect. -
PII: 0022-0248(94)00965-1
www.itg.cam.ac.uk/people/heh/Paper126.pdf27 Apr 2006: f_0q(z,) d z ' = A 2. (3.24) The functional form for the source strength q(z') is d e t e r m i n e d by matching -
PII: 0012-821X(93)90028-8
www.itg.cam.ac.uk/people/heh/Paper112.pdf27 Apr 2006: 1034 23.0 24.0 0.016 67. K 1.3 w t. % saline s o l u t i o n S e d i m e n t m ... 1034 24.0 10.0 0.012 28. L 1.3 wt.% saline s o l u t i o n Secliment m fresh w a t e r.
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