Students explore energy efficiency, focusing on renewable energy, by designing and building …
Students explore energy efficiency, focusing on renewable energy, by designing and building flat-plate solar water heaters. They apply their understanding of the three forms of heat transfer (conduction, convection and radiation), as well as how they relate to energy efficiency. They calculate the efficiency of the solar water heaters during initial and final tests and compare the efficiencies to those of models currently sold on the market (requiring some additional investigation by students). After comparing efficiencies, students explain how they would further improve their devices. Students learn about the trade-offs between efficiency and cost by calculating the total cost of their devices and evaluating cost per percent efficiency and per degree change of the water.
The resource "Soldering Safety" is included in the "Electrical engineering" course from …
The resource "Soldering Safety" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
This lesson discusses solenoids. Students learn how to calculate the magnetic field …
This lesson discusses solenoids. Students learn how to calculate the magnetic field along the axis of a solenoid and complete an activity exploring the magnetic field of a metal slinky. Solenoids form the basis for the magnet of an MRI. Exploring the properties of this solenoid helps students understand the MRI machine.
This image is a diagram of a proton conducting solid oxide fuel …
This image is a diagram of a proton conducting solid oxide fuel cell. The resource, "Fuel Cell Student Handout" included in "Lesson 1 Analysis of Automobiles" is a part of "Unit 03 Transportation" included in Energy & Sustainability ES - Course 4.
In the electrical engineering, solid-state materials and the properties play an essential …
In the electrical engineering, solid-state materials and the properties play an essential role. A thorough understanding of the physics of metals, insulators and semiconductor materials is essential for designing new electronic devices and circuits. After short introduction of the IC fabrication process, the course starts with the crystallography. This will be followed by the basic principle of the quantum mechanics, the sold-state physics, band-structure and the relation with electrical properties of the solid-state materials. When the material physics has been throughly understood, the physics of the semiconductor device follows quite naturally and can be understood quickly and efficiently. Study Goals: The student can 1) determine the crystal structure, the density of atoms and the Miller indices of a crystal, 2) apply Schrodinger's wave equation to various potential functions and derive a probability of finding electrons, 3) discuss the concept of energy band formation and difference of material properties in terms of the band, 4) derive the concentrations of electron and holes with a given temperature in terms of Fermi energy, and 5) can discuss drift, diffusion and scattering of carriers in a semiconductor under various temperature and impurity concentrations.
This score by Daniel Crawford is based on temperature data. The resource, …
This score by Daniel Crawford is based on temperature data. The resource, "A Song of Our Warming Planet (sheet music)" included in "Lesson 3 Variation and Trend - Weather and Climate" is a part of "Unit 06 Energy Budget, Climate and Energy Resources" included in Energy & Sustainability ES - Course 2.
The resource, "A Song for our Warming Planet Redirect" included in "Lesson …
The resource, "A Song for our Warming Planet Redirect" included in "Lesson 3 Variation and Trend - Weather and Climate" is a part of "Unit 06 Energy Budget, Climate and Energy Resources" included in Energy & Sustainability ES - Course 2
In this lesson, students are introduced to the historical motivation for space …
In this lesson, students are introduced to the historical motivation for space exploration. They learn about the International Space Station as an example of recent space travel innovation and are introduced to new and futuristic ideas that space engineers are currently working on to propel space research far into the future!
Exploration of space is never out of the news for long and …
Exploration of space is never out of the news for long and the desire to construct lower-cost, reliable and more capable spacecraft has never been greater. At TU Delft years of technology development and research experience in space engineering allow us to offer this course, which examines spacecraft technologies for satellites and launch vehicles.
This course provides:
knowledge of the technical principles of rockets and satellite bus subsystems the ability to select state-of-the-art, available components analysis of the physical and technical limitations of subsystem components identification of the key performance parameters of different spacecraft subsystems comparison of the values obtained by ideal theory and real-life ones opportunity to make preliminary designs for a spacecraft based on its key requirements
A spatial database is the backbone of a successful organization or website …
A spatial database is the backbone of a successful organization or website that depends upon maintaining and using data pertinent to locations on Earth. In GEOG 868, Spatial Database Management, capabilities specific to Relational Database Management Systems (RDBMS) and Geographic Information Systems (GIS) are combined to teach students to create, maintain, and query spatial databases in both desktop and enterprise environments. Learn the basics of Standard Query Language (SQL) and database design/normalization, the specifics of managing spatial data in an open-source technologies context (Postgres/PostGIS) and in the context of the Esri geodatabase. Along the way, you will become familiar with spatial functions and versioning, the latter in a server environment hosted by Amazon Web Services.
Students use the spectrographs from the "Building a Fancy Spectrograph" activity to …
Students use the spectrographs from the "Building a Fancy Spectrograph" activity to gather data about light sources. Using their data, they make comparisons between different light sources and make conjectures about the composition of a mystery light source.
The resource "Speed, Torque, and Horsepower" is included in the Fluid Power …
The resource "Speed, Torque, and Horsepower" is included in the Fluid Power Design/Application topic of the EICC Engineering Techology Simulations resource series. This series is segment of a Department of Labor grant awarded to the Eastern Iowa Community Colleges (EICC) of Clinton, Muscatine, and Scott.
The resource "Spider parts and tools" is included in the "Electrical engineering" …
The resource "Spider parts and tools" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's Arduino Nano" is included in the "Electrical engineering" course …
The resource "Spider's Arduino Nano" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's LED eyes" is included in the "Electrical engineering" course …
The resource "Spider's LED eyes" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's bezel" is included in the "Electrical engineering" course from …
The resource "Spider's bezel" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's click n' stick" is included in the "Electrical engineering" …
The resource "Spider's click n' stick" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's motor controller" is included in the "Electrical engineering" course …
The resource "Spider's motor controller" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's power switch" is included in the "Electrical engineering" course …
The resource "Spider's power switch" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
The resource "Spider's romance" is included in the "Electrical engineering" course from …
The resource "Spider's romance" is included in the "Electrical engineering" course from Khan Academy. This resource is one of the sub-topics in the "Home-made robots" topic area.
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