Instructor

1
(No Transcript)
2
Energy ResourcesMet E 1001
Instructor Jack Hamilton Utah Engineering
Experiment Station KD Garff Bldg. Rm.
405 581-6334 jack.hamilton_at_utah.edu
Acknowledgements Western Oregon University Dept
of Physics
3
Energy ResourcesMet E 1001
Teaching Assistant Ola Opara Department of
Metallurgical Engineering William Browning Bldg.
Rm 109 ola.opara_at_hotmail.com
Acknowledgements Western Oregon University Dept
of Physics
4
Text ENERGY AND THE ENVIRONEMENT Robert A.
Ristinen and Jack J. Kraushaar John Wiley and
Sons, 1998 Either First or Second Edition
5
(No Transcript)
6
Grading

• Homework 15
• 3 quizzes 30
• Paper 25
• Final 30

7
Class Web Site

• www.metallurgy.utah.edu/

8
Class Web Site

• www.metallurgy.utah.edu/students/undergrad_courses
  /met-1001/index.htm

9
(No Transcript)
10
(No Transcript)
11
Term Paper/Class Project

• Technical or Geopolitical
• Papers 12 pages, double-space
• You may team up
• Grade based on
• Original thought
• Content/Substance including quantitative
  treatment.
• Presentation and organization.
• Appropriate references.
• Proposal/Outline due before March 7

12
Term Paper Suggestions

• Discuss the Iraq War (Mideast) in the context of
  global geopolitics
• Track energy-related news in the papers and/or
  Internet and interpret.
• Plan a strategy for managing petroleum needs in
  the United States.
• Identify technological breakthroughs that are
  necessary for nascent technologies to succeed.

13
Class Skills

• College Algebra
• Scientific Notation
• Understand Units of Measure and How to Convert
  Them
• Know how to make chain calculations for problems,
  and show your work!

14
WHY DO WE CARE?
15
Why Do We Care?

• Fossil fuels are finite
• Extensive exploitation of fossil fuels have
  serious environmental consequences
• Changes to more renewable resources will engender
  dramatic lifestyle changes
• Without planning, we may face grave difficulties
  in the future

16
(No Transcript)
17
Every facet of our lives depends on energy, and
has since cave man learned to use fire for warmth
and cooking. The ores that provide metals the
farming methods that provide food, the
transportation that moves people and materials
around the world in short, everything that
makes our modern existence what it is depends
on ENERGY. The fact is that the continuation
of trends in available energy resources,
individual and global energy consumption, and
world population are not sustainable. Moreover,
the limits on sustainability are well within one
human lifetime. We cannot continue on the energy
path that we currently travel something has to
change, and those changes will have consequences.
18
Work
Energy is the capacity to do work Work Force x
Distance
19
(No Transcript)
20
(No Transcript)
21
Units of Energy

• Joule 1 newton-meter tennis ball at 14 mph for
  one meter
• BTU British Thermal Unit energy needed to heat
  one pound of water one degree F. Burning one
  stick match 1055 Joules

22
Units of Energy

• calorie Energy to heat one gram of water one
  degree Celsius. 255 calories in a BTU. A food
  Calorie 1,000 calories
• Foot-pound Energy to move one pound one foot.
  775 ft-lbs in a BTU.
• Electron Volt Energy to move one electron
  through one volt. 6 x 1018 eV in one Joule.

23
(No Transcript)
24
Kinds of Energy

• Potential EnergyPE w x h
• Electric EnergyPE q x V
• Electromagnetic RadiationC l x f

• ChemicalCH4 2O2 gt CO2 2H2O Heat
• Heat
• MassE MC2
• Kinetic EnergyKE 1/2mv2

25
Units of Power Power is the rate at which we use
energy.

• Power Energy Energy Power x Time
• Time
• Watt One Joule per second
• Kilowatt One thousand watts 103 watts
• Megawatt One million watts 106 watts
• Gigawatt One billion watts 109 watts
• Since E P x t, a kilowatt-hour is a measure of
  energy
• Horsepower 550 ft-lbs per second. 746 watts in
  a horsepower.

26
Energy Conservation

• First Law of ThermodynamicsEnergy cannot be
  created or destroyed the total energy in a given
  system will remain constant.

But, Energy can be changed from one form to
another!
27
Transformation of Energy

• Reactions in the sun mass gt heat
• Reactions at the earth heat light gt wind,
  ocean currents, biomass
• Reactions in our world biomass gt stored
  energy

28
Energy Flow

• Second Law of ThermodynamicsIn a given system,
  entropy always increases i.e, potential energy
  of the system will always be less that it was in
  the initial state.

29
(No Transcript)
30
Nonrenewable Energy Sources

• Fossil Fuels
• Uranium-235
• Rates of consumption, costs, supply and demand,
  environmental concerns
• Resources vs Reserves

31
Renewable Energy Sources

• Solar, geothermal and tidal
• Many sources based on solar energy
• Renewable vs sustainable, costs, practical limits
  on growth, environmental concerns

32
(No Transcript)
33
Summary Class 1

• Every facet of our lives depends on energy
• Fossil fuels are finite and not renewable and
  are being depleted at a rapid rate
• Fossil fuels gt environmental concerns
• Population growth and third-world development are
  creating phenomenal pressure on energy resources
• In the USA, we are 5 of the worlds population
  and use 25 of its energy