PPT-How Convection Works!

Magma expands when heated making volume larger making magma less dense therefore it will to the top of more dense magma When the magma reaches the surface it cools and contracts becoming and it will sink. extratropical. circulation. Steven Feldstein and Michael Goss. The Pennsylvania State University. IUGG, Prague, June 25, 2015. Questions. :. . 1. . What is the relationship between interference, Arctic sea ice, and tropical convection and how does it impact the . De Bilt, 2007 PO Box 201 3730 AE De Bilt De Bilt The Netherlands Auteur: Noteboom, Saskia (Wageningen Universiteit) Brian . Mapes. RSMAS. , University of Miami. Harvard, Oct 17 2009. (personal) historical moment. Two very old ideas. , . fiiinally. coming to fruition?. 1995: study convection sensitivities. inhibition vs. bulk instability (CAPE) controls. For a constant property, laminar flow a . similarity solution. exists for the flow field . u. (. y. ). local boundary layer thickness. local skin friction coefficient. average skin friction coefficient. Transfer of Energy as Heat. Energy moves as heat in three ways. Heat is always a transfer of energy from objects at a higher temperature to a lower temperature. There are 3 different ways this transfer of energy can happen. Convection in the boundary layer occurs to transport heat moisture, and momentum from surface to free atmosphere. Two common scenarios:. 1) Daytime solar heating 2) cold-air outbreaks, lake effect. Alison Stirling . 21. st. September 2015. Contents. Verification measures for forecasts (Michael Whitall). Representing convection-wave interactions (some background). Verification measures for forecasts. Weather Systems – Fall 2015. Outline:. a. Stability Indices. b. Wind Shear and . Helicity. c. How to relate to predicted / observed convective weather. Convective Parameters. Weather Systems – Fall 2015. . Convection Heat Transfer . Why is it windy at the seaside?. Cold air sinks. Where is the freezer compartment put in a fridge?. Freezer compartment. It is put at the top, because cool air sinks, so it cools the food on the way down.. Free Convection (or Natural Convection). fluid motion . induced by . buoyancy forces. buoyancy forces . arise when there are . density gradients . in a fluid and a . body force. . proportional to density arises . Keller and . Tackley. , 2009, Towards self-consistent modeling of the . martian. dichotomy: The influence of one-ridge convection on crustal thickness distribution, Icarus 202, 429-443. . The . dominant feature of the crustal thickness distribution obtained from one-ridge convection in the mantle is a characteristic, roughly elliptical shape that shows a striking first- order similarity to the shape of the . 1. Aim : . develop an appreciation for the physical phenomena associated with internal flow and to obtain convection coefficients. Contents:. Entrance region . vs. fully developed region. Hydrodynamic effect consideration. Conduction Convection . Radiation. Types of Heat transfer. Heat Transfer. Heat can be transferred in 3 ways. Conduction. Convection. Radiation. Heat flow depends on the temperature difference – . flows from hot to cold. Why is it windy at the seaside?. Cold air sinks. Where is the freezer compartment put in a fridge?. Freezer compartment. It is put at the top, because cool air sinks, so it cools the food on the way down..