'High net energy yield' diaporamas de présentation

Man and Energy

Man and Energy. Pongthep Suwanwaree, Ph.D. School of Biology Institute of Science Suranaree University of Technology 18 January 2005. What is the meaning of Energy?. Potential Energy Kinetic Energy. Energy in sun light. Quality of energy. Energy evolution 1. Late 1700s.

1.42k views • 95 slides

APES

Energy Efficiency and Renewable Energy Resources. APES. A. What is Energy Efficiency?. 84% of all commercial energy in used in the US is wasted Energy efficiency- the percentage of total energy input that does useful work Life cycle cost- the initial cost plus lifetime operating costs

393 views • 38 slides

RENEWABLE ENERGY

701 views • 35 slides

UNIT 7 ENERGY RESOURCES

UNIT 7 ENERGY RESOURCES. 7.1 ENERGY TERMS. Energy is the ability to do work and transfer heat. It comes in the form of light, heat, electricity, chemical, mechanical, and nuclear energy. Energy is classified as: Kinetic or Potential KINETIC ENERGY

350 views • 34 slides

Energy resources and consumption

Energy resources and consumption. Unit #5 Review Test percentage: 10-15%. Definitions. Energy : ability to do work or cause changes, releases heat Potential Energy : stored energy available for use Kinetic energy : energy of movement

316 views • 15 slides

Fig. 17-19, p. 399

Trade-Offs. Solar Cells. Advantages. Disadvantages. Fairly high net energy. Need access to sun. Work on cloudy days. Low efficiency. Quick installation. Need electricity storage system or backup. Easily expanded or moved. No CO 2 emissions.

107 views • 10 slides