'Total energy input' presentation slideshows

AQA P1 Revision

AQA P1 Revision. 2011 Specification. Infrared Radiation. a) All objects emit and absorb infrared radiation. b) The hotter an object is the more infrared radiation it radiates in a given time. c) Dark, matt surfaces are good absorbers and good emitters of infrared radiation.

1.03k views • 77 slides

Proposed ENERGY STAR Specifications for Computer Monitors

Proposed ENERGY STAR Specifications for Computer Monitors Craig W. Hershberg ENERGY STAR Office Equipment and Consumer Electronics www.energystar.gov Agenda Computer monitor specification Objectives History Specification highlights Industry feedback Next steps

1.05k views • 63 slides

Proposed ENERGY STAR Specifications for Computer Monitors

Proposed ENERGY STAR Specifications for Computer Monitors. Craig W. Hershberg ENERGY STAR Office Equipment and Consumer Electronics www.energystar.gov. Agenda. Computer monitor specification Objectives History Specification highlights Industry feedback Next steps

803 views • 63 slides

Ecodata: Values, sources, precision

Ecodata: Values, sources, precision. Data Accuracy. Engineering properties are well characterized. Environmental properties are not. Embodied energy Carbon footprint. Embodied Energy. Energy to product a unit of mass of material ISO 14040 gives guidelines, but they are vague.

524 views • 42 slides

Magnetosphere-Ionosphere Coupling through Plasma Turbulence at High-Latitude E -Region Electrojet

Magnetosphere-Ionosphere Coupling through Plasma Turbulence at High-Latitude E -Region Electrojet. Y. Dimant and M. Oppenheim. Center for Space Physics, Boston University. Dynamical Processes in Space Plasmas Israel, 10-17 April 2010 . Tuesday, April 13, 2010. Outline.

678 views • 32 slides

A machine is a device used to multiply forces or simply to change the direction of forces.

9.8 Machines. A machine is a device used to multiply forces or simply to change the direction of forces. The concept that underlies every machine is the conservation of energy. A machine cannot put out more energy than is put into it. 9.8 Machines. Levers.

643 views • 32 slides

Work, Energy, and Power

Work, Energy, and Power. Measures of Effort & Motion; Conservation Laws. Chapter 7 - Energy. Work Power Mechanical Energy Potential Energy Kinetic Energy Work-Energy Theorem Conservation of Energy Machines Efficiency Source of Energy Energy for Life. Work is Exchange of Energy.

657 views • 31 slides

The Radiance Equation

The Radiance Equation. Mel Slater. Outline. Introduction Light Simplifying Assumptions Radiance Reflectance The Radiance Equation Traditional Rendering Solutions Visibility Conclusions. Introduction. Lighting is the central problem of real-time graphics rendering

568 views • 25 slides

Efficiency

Efficiency. A lamp uses 100 Joules of electrical energy each second. Efficiency is the % transferred as useful energy Useful = the type the device was designed to produce. Efficiency formula - 1. Useful energy output. Efficiency. =. X 100 for %. Total energy input.

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Trans Fatty Acids

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ECLIPSE

332 views • 17 slides

Energy Conservation

Energy Conservation. Physics 1303 3/24/03. Reducing energy consumption may help alleviate environmental problems:. Conserve fossil fuel resources Reduce CO2 emissions Reduce extraction impacts Reduce use of water and other resources. There are two ways to reduce energy consumption.

352 views • 16 slides

How do diversity and stability depend on productivity?

Mediterranean grassland. 700. 600. 500. 400. Number of species. 300. 200. 100. 0. 0. 50. 100. -2. Biomass [ g m. ]. Australian vegetation. North American prairie. 300. 70. 250. 60. 200. 50. Number of species. 150. 40. Number of species. 100. 30. 50. 20. 0. 10. 0.

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Power and Efficiency

Power and Efficiency. Power = work done (or energy change) / time interval Two cars accelerate from rest to highway speed One does it in five seconds (Porsche) One does it in ten seconds (4 cylinder SUV) Which uses more power? Efficiency = useful energy output / Total Energy Input

379 views • 7 slides

Bond Enthalpy

Bond Enthalpy. Chem 12. D H 0 = 436.4 kJ. H 2 ( g ). H ( g ). +. H ( g ). D H 0 = 242.7 kJ. Cl 2 ( g ). Cl ( g ). +. Cl ( g ). D H 0 = 431.9 kJ. HCl ( g ). H ( g ). +. Cl ( g ). D H 0 = 498.7 kJ. O 2 ( g ). O ( g ). +. O ( g ). O. D H 0 = 941.4 kJ. N 2 ( g ).

197 views • 6 slides