Slide Template forScientific Presentations:Light Background

Michael Alley

College of EngineeringPenn State

September 21, 2006

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Our work shows that atmospheric mercury depletion events lead to increased mercury in surface snow

Title of Presentation:32 or 36 Points, Arial, Bold

NameNameName

DepartmentInstitution

Date

Key image for introducing talk’s scope, importance, or background

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Atmospheric Mercury Depletion Events (AMDEs) in Polar Regions During Arctic Spring

Katrine AspmoTorunn BergNorwegian Institute for Air Research

Grethe WibetoeUniversity of Oslo, Dept. of Chemistry

June 16, 2004

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This presentation focuses on… (complete sentence, but go no more than two lines)

Topic 1

Image forTopic 1

Topic 2

Image forTopic 2

Topic 3

Image forTopic 3

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Theory for mercury cycling in arctic springtime

Measurements from theZeppelin Air Monitoring Station

This talk traces what happens to mercury after it depletes from the atmosphere in arctic regions

Environmental implications of mercury depletion events

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This sentence headline makes an assertion on the first topic: 28 points, no more than two lines

If necessary, identify key assumption or background for audience—keep to two lines (18–24 point type)

Image(s)about

first topic

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Fragments quickly outpace the blast wave, and become the primary hazard to personnel/materiel

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Composite materials are ideal for bipolar plates

Advantages

Easy to shape

Light in weight

Resistant to corrosion

Disadvantages

Low conductivity

High cost (at present)

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This sentence headline makes an assertion on the second topic: 28 points, no more than two lines

Call-out, if necessary: keep to one or two lines

Image or equations supporting the headline assertion

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Call-out, if necessary: keep to one or two lines

Call-out, if necessary: keep to one or two lines

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Normalized friction factors and Nusselt numbers correlated our data with the data of others

Reynolds Number

Nuo, fo

TwallTinletHeat Flux, q˝

h

Nu

Tbulk

Friction Factor, f

Pressure Drop

22 bulkair

htap

ux

DdPf

⋅⋅Δ⋅⋅

=ρ

4.08.00 PrRe023.0 ⋅⋅=Nu

2.00 Re046.0 −⋅=f

air

h

k

DhNu

⋅=

Pressure Taps ThermocouplesVenturi Meter Voltmeter

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In pseudospectral methods some operations are carried out in Fourier space

Physical space Fourier spacenΨ

Change of variable to eliminate linear terms

nΩ

FFT (spatial)nΩ̂

Apply filters to specific wavelengths

Compute m’th spatial derivative by multiplying with (ik)m

nmik Ω̂)(

IFFTmx

nm

∂Ω∂

Reverse change of variable

1+Ψn

1+Ωn

March one time step with Runge Kutta

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This sentence headline makes an assertion on the third topic: 28 points, no more than two lines

Supporting point, if needed

Supporting point, if needed: parallel to first point

Image supporting above assertion

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Our work shows that atmospheric mercury depletion events lead to increased mercury in surface snow

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In summary, this sentence headline states the most important assertion of the presentation

Supporting point (no more than two lines)

Another supporting point (parallel to the first)

Image that supports

conclusion

Questions? Logo

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Wires not harnessed to prevent contact with housing

In summary, the unit failed because of a short-circuit created by abrasion of wire insulation

Questions?

Wire abraded against housing, exposing conductor

Short circuit to ground created where wire contacted housing

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The craft of scientific presentation