• No results found

convection zone

Magnetic buoyancy instabilities in the presence of magnetic flux pumping at the base of the solar convection zone

Magnetic buoyancy instabilities in the presence of magnetic flux pumping at the base of the solar convection zone

... overlying convection), for strong localised pockets of magnetic field to be produced which can rise into the upper ...the convection zone from the radiative ...

16

Shear instabilities in stellar objects: linear stability and non-linear evolution

Shear instabilities in stellar objects: linear stability and non-linear evolution

... An alternative to tachocline models are flux-transport dynamos, where meridional flows form an essential part of the model. The idea for such dynamos was de- veloped from the Babcock-Leighton model (Babcock, 1961; ...

223

Calibration of the mixing length theory for structures of helium dominated atmosphere white dwarfs

Calibration of the mixing length theory for structures of helium dominated atmosphere white dwarfs

... the convection zone sizes are verti- cally too large to be ...the convection zone shrinks until its vertical size becomes small enough to fit within the simulation ...

31

Concluding remarks

Concluding remarks

... convection zone. Miesch et al. [28] report 3D simulations of compressible convection carried out in rotating spherical shells extending from the base of the convection zone to within 15 ...

16

Excitation of kinetic Alfv´en turbulence by MHD waves and energization of space plasmas

Excitation of kinetic Alfv´en turbulence by MHD waves and energization of space plasmas

... The nonlinear excitation of KAWs in the extended so- lar corona can be provided by upward-propagating (Alfv´en and fast) MHD waves launched from the convection zone or excited by the magnetic reconnection ...

9

The influence of thermal and magnetic layers on solar oscillation frequencies

The influence of thermal and magnetic layers on solar oscillation frequencies

... We are especially interested in the upper convection zone for a number of rea­ sons. There are three main properties of the Sun that are sensitive to the solar cycle and act as indicators of it: the surface ...

185

Development and application of a global magnetic field evolution model for the solar corona

Development and application of a global magnetic field evolution model for the solar corona

... it. The short loop has sufficient curvature to overcome magnetic buoyancy and submerges beneath the photosphere, while the long loop does not. Subsequent loops (Figure 5.3e) then reconnect beneath the long loop and form ...

250

Convective overshoot and macroscopic diffusion in pure hydrogen atmosphere white dwarfs

Convective overshoot and macroscopic diffusion in pure hydrogen atmosphere white dwarfs

... What is evident from the analysis of the five simulations discussed throughout this section is that the vertical velocity profile is likely to be of great significance to the characteri- sation of diffusive efficacy ...

22

The properties of cool DZ white dwarfs

The properties of cool DZ white dwarfs

... For white dwarfs with helium dominated atmospheres, the convection zone masses reach ' 10−5 of the total white dwarf mass, calculated at log g = 8.. While certainly con7..[r] ...

253

Calibration of the mixing length theory for convective white dwarf envelopes

Calibration of the mixing length theory for convective white dwarf envelopes

... the convection zone poorly reproduce the overall 3D convective flux profile through the convection ...with convection zones contaminated by metals accreted from former disrupted ...

15

Pulsations in white dwarfs: Selected topics

Pulsations in white dwarfs: Selected topics

... turbulent convection in stars. Fortunately, convection zone in white dwarfs has a ‘good’ property; ...the convection mechanism from a slightly different point of ...

10

Investigation Of Heat Flow Characteristic In An Industril Oven Using ANSYS

Investigation Of Heat Flow Characteristic In An Industril Oven Using ANSYS

... only convection heat transfer occurs, radiation heat transfer also one of the factor that been study to optimize the distribution of temperature and ...natural convection with or without ...

24

Heat transfer during transverse air flow around a cylinder

Heat transfer during transverse air flow around a cylinder

... In the description of heat transfer at high pressures conditions are used the relations developed for pressures around normal pressure. On the other hand, the results of some works suggest that the convective processes ...

7

Convection in Corrugated Slots

Convection in Corrugated Slots

... ocean and atmosphere (Marcq & Weiss 2012). Use of mixed insulating and conducting boundary conditions leads to a spatially patterned convection (Ripesi et al. 2014). Human activity resulting in the heat island ...

138

Correlation of localised thermal shock to isothermal biaxial crack growth rates in thin plates of AISI 316 stainless steel

Correlation of localised thermal shock to isothermal biaxial crack growth rates in thin plates of AISI 316 stainless steel

... plastic zone, rp, presents itself as a promising indicator to the state of a crack ...plastic zone is long established as a fundamental attribute to UEFM, however, it has never been able to demonstrate ...

397

An Analytical Study Of Convection In A Mushy Layer Under Gravity Inclination

An Analytical Study Of Convection In A Mushy Layer Under Gravity Inclination

... on convection in a mushy layer is that for a particular wave number there is a drastic increase in the value of R (iii) but, the value of R decreases as δ ...

7

GWH.ppt

GWH.ppt

... • Vadose zone (unsaturated zone): extends from the surface to the water table through the root zone, intermediate zone, and the capillary zone.. • Capillary zone: extends from the w[r] ...

52

Review of Convection and Magnetohydrodynamic Mixed Convection Heat Transfer Enhancement

Review of Convection and Magnetohydrodynamic Mixed Convection Heat Transfer Enhancement

... in convection mode by using two kinds of techniques: killing thermal boundary layer and using magnetohydrodynamic (MHD) mixed ...in convection heat ...

5

Temperature Dependent Newtonian Rheology in Advection Convection Geodynamical Model for Plate Spreading  in Eastern Volcanic Zone, Iceland

Temperature Dependent Newtonian Rheology in Advection Convection Geodynamical Model for Plate Spreading in Eastern Volcanic Zone, Iceland

... stress free and causes an ~8.5 mm∙yr −1 uplifting at the rift center and ~12 mm∙yr −1 magmatic influx at the ridge center of 100 km depth (Figure 5(B)). This phenomenon might be similar as so called central uplift of ...

13

Distribution and ecology of planktic foraminifera in the North Pacific : implications for paleo reconstructions

Distribution and ecology of planktic foraminifera in the North Pacific : implications for paleo reconstructions

... 16 matter flux peaks from July through to October, it does not correlate with the peaks in G. bulloides abundance (Kuroyanagi et al. 2008) (Figure 6). This variability is likely caused by the fact that the sediment trap ...

40

Show all 9105 documents...

Related subjects