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Aguilar, Horacio Munguía; Peña, Kassim José Mendoza – Physics Education, 2019
A simple and economical system that allows one to obtain the characteristic "I-V" curve in solar cells is presented. It is a computer-controlled system suitable as an instrumentation project for students who are learning about photovoltaic systems. This system is based on the use of an "R-3R" ladder circuit as a variable…
Descriptors: Physics, Energy, Electromechanical Technology, Science Experiments
Etzkowitz, Henry
Historical data reveal that U.S. government policy and military and corporate interests have been instrumental in the development of nuclear energy and the underdevelopment of solar energy. It was not until 1972 that solar energy was funded by the Energy Research and Development Agency (ERDA) and in 1974 solar energy received $12.2 million as…
Descriptors: Energy, Futures (of Society), Nuclear Warfare, Political Attitudes
Greene, Nathaniel R.; Brunskill, Jeffrey C. – Physics Education, 2017
A two-axis solar tracker and its interactive kiosk were designed by an interdisciplinary team of students and faculty. The objective was to develop a publicly accessible kiosk that would facilitate the study of energy usage and production on campus. Tracking is accomplished by an open-loop algorithm, microcontroller, and ham radio rotator. Solar…
Descriptors: Physics, Science Instruction, Interdisciplinary Approach, Radio
Testa, Italo; Busarello, Gianni; Puddu, Emanuella; Leccia, Silvio; Merluzzi, Paola; Colantonio, Arturo; Moretti, Maria Ida; Galano, Silvia; Zappia, Alessandro – Physics Education, 2015
The science education literature shows that students have difficulty understanding what causes the seasons. Incorrect explanations are often due to a lack of knowledge about the physical mechanisms underlying this phenomenon. To address this, we present a module in which the students engage in quantitative measurements with a photovoltaic panel to…
Descriptors: Science Instruction, Physics, Scientific Concepts, Statistical Analysis
McDaniels, David K. – 1982
The different approaches to the generation of power from solar energy may be roughly divided into five categories: distributed collectors; central receivers; biomass; ocean thermal energy conversion; and photovoltaic devices. The first approach (distributed collectors) is the subject of this module. The material presented is designed to…
Descriptors: College Science, Electricity, Heat, Higher Education
González, Manuel I. – Physics Education, 2017
Measuring voltage-current and voltage-power curves of a photovoltaic module is a nice experiment for high school and undergraduate students. In labs where real sunlight is not available this experiment requires a solar simulator. A prototype of a simulator using LED lamps has been manufactured and tested, and a comparison with classical halogen…
Descriptors: Simulation, Light, Lighting, Electromechanical Technology
Cook, Stephen – 1984
Appropriate technology (the process most appropriate for local cultural, economic, and social conditions) is geared toward projects which: are small in scale, decentralized, and energy efficient; use local materials, labor, and ingenuity; are not capital-intensive; and maximize the use of renewable energy resources. Descriptions of such projects…
Descriptors: Alternative Energy Sources, Construction (Process), Costs, Energy
Litowitz, Len S. – Technology and Engineering Teacher, 2012
Photovoltaics is a term that refers to thin cells that have the ability to directly convert sunlight into electricity. This process occurs without the use of any moving parts, and the sunlight is free for the taking if it can be captured for useful purposes like heating water or air or producing electricity. As the cost of installing a…
Descriptors: Science Activities, Engineering, Energy, Sustainable Development
Schellhammer, Karl Sebastian; Cuniberti, Gianaurelio – Journal of Chemical Education, 2017
We are hereby presenting a didactic concept for an advanced lab course that focuses on the design of donor materials for organic solar cells. Its research-related and competence-based approach qualifies the students to independently and creatively apply computational methods and to profoundly and critically discuss the results obtained. The high…
Descriptors: Competency Based Education, Science Instruction, Hands on Science, Energy
Karns, Robert J. – Tech Directions, 2012
Starting a renewable energy technology (RET) program can be as simple as shifting the teaching and learning focus of a traditional electricity program toward energy production and energy control systems. Redirecting curriculum content and delivery to address photovoltaic solar (PV solar) technology and small wind generation systems is a natural…
Descriptors: Energy, Power Technology, Electronics, Energy Education
Childress, Vincent W. – Technology and Engineering Teacher, 2011
People around the world are concerned about affordable energy. It is needed to power the global economy. Petroleum-based transportation and coal-fired power plants are economic prime movers fueling the global economy, but coal and gasoline are also the leading sources of air pollution. Both of these sources produce greenhouse gases and toxins.…
Descriptors: Fuels, Global Approach, Pollution, Energy
Rardin, Tina E.; Xu, Renmei – Journal of Technology Studies, 2011
There is a growing need for renewable energy sources, and solar power is a good option in many instances. Photovoltaic solar panels are now being manufactured via various methods, and different printing processes are being incorporated into the manufacturing process. Screen printing has been used most prevalently in the printing process to make…
Descriptors: Energy, Manufacturing, Printing
Pecen, Recayi; Humston, Jill L.; Yildiz, Faruk – Journal of STEM Education: Innovations and Research, 2012
The Math-Science-Engineering Technology in Iowa on Applied Renewable Energy Areas (MSETI-AREA) projects are aimed at providing area school teachers with an applied mathematics and science curriculum package based on photovoltaic (PV) power, wind power, human power and hydrogen fuel-cell fundamentals. The MSETI-AREA project has established a…
Descriptors: Literacy, Engineering, Technological Literacy, Job Skills
Christensen, John; Posey, Mike – Facilities Manager, 2011
This article describes how two institutions in the U.S. Southwest--Albuquerque Academy in New Mexico and Pima Community College (PCC) in Arizona--have implemented new energy projects on their campuses. Albuquerque Academy's one-megawatt DC photovoltaic solar array is one of the largest secondary schools projects to date in the United States. The…
Descriptors: Energy Conservation, Energy Management, Case Studies, Secondary Schools
Boitier, V.; Cressault, Y. – European Journal of Physics, 2011
This paper discusses photovoltaic panel systems and reviews their electrical properties and use in several industrial fields. We explain how different photovoltaic panels may be characterized by undergraduate students at university using simple methods to retrieve their electrical properties (power, current and voltage) and compare these values…
Descriptors: Undergraduate Students, Energy, Science Instruction, College Science