Design of an Archimedes screw for hydropower - INSA Strasbourg

Dimensioning of an Archimedes screw for hydropower - INSA Strasbourg. Optimization of an Archimedes screw for the production of energy in micro-hydroelectric plants. KEYWORDS: Fluid Mechanics, Renewable Energy, Micro Hydroelectric, Archimedes' Screw, Experimentation Abstract The use of the Archimedean screw in micro-hydroelectric plants is a way […]


Energy Transition: Portugal powered during 4 days entirely with renewable electricity!

While France continues (almost) everything to rely on nuclear electricity ... countries are now, and regularly, beating records of production in renewable electricity! This month it is the turn of Portugal to realize a real tour de force of the renewable! A few days after Germany produced so much renewable electricity that producers [...]

Download: Transforming an engine AC generator

How to transform a small engine into a generator? This document makes it possible to understand how it is possible to easily transform different types of motors into generators for applications in small renewable energies at home. Read more: Transforming an automotive alternator for a wind turbine Electric Forum Forum for self-construction and DIY Download the file (an inscription [...]

Download: solar oven cooker Scheffler, detailed plans for manufacturing

Manual construction of a 2m2 Scheffler solar cooker reflector. Cooking with the sun will give you pleasure! By Daniel Philippen, Adrian Konrad, Benjamin Leimgruber. With the help of Wolfgang Scheffler, Heike Hoedt (Solare Brücke) This document from 56 pages explains, step by step, how to make a solar cooker by parabolic concentration of [...]

Mini Central solar Stirling in Odeillo

An experimental micro solar power plant in Odeillo An eight-meter-diameter parabolic mirror associated with a motor transforming heat into mechanical energy since 2004 in Odeillo. A 10 kW electro-solar mini-generator based on a Stirling cycle and powered by a solar parabola has been subjected since the end of June 2004 to the experiments of researchers […]

Solar irradiation card DNI from France

Sunshine map established by satellite measurement of real infrared irradiation on the ground Source: Ecole des Mines / Armines Each map below represents the direct component of the monthly irradiation received on a map always facing the sun for the year 2006, expressed in kWh / m². There is one card per month as well as a card for irradiation […]

solar tower vortex: Operating

The solar vacuum tower: scientific and technical aspects by François MAUGIS, Association Energie Environnement. (according to the elements supplied by the company SUMATEL) 1. Introduction The operating principle of the vacuum tower of the French professor Edgard NAZARE which he had baptized "vortex tower" or "aerothermal power plant" (to be compared to “Atmospheric Vortex Engine” […]

solar tower vortex: principle

General introduction to vortex towers by François MAUGIS, Association Energie Environnement. NB: Do not confuse these two types of solar towers: the Nazare or Michaud vortex tower (rotational flow wirling system) with the simple Schlaich Bergermann type solar chimney (single flow upwind system), discussion here. The idea of ​​exploiting a “wind […]

Download: Renewable energies for transport: comparative solutions by Jacobson

Multicriteria study of Stanford University comparing the different renewable energies potentially usable in the transport sector by Mark Z. Jacobson. Department of Civil and Environmental Engineering, Stanford University, Stanford, California 94305-4020, USA. Tel: (650) 723-6836 Abstract This paper reviews and ranks major proposed energy-related solutions to global warming, air pollution mortality, and energy [...]

Download: Calculation of a solar exchanger

Estimation of the surface and length of a solar heat exchanger in simple copper tube (without fins) immersed in a solar thermal buffer Spreadsheet .xls (OpenOffice compatible) for determining the surface and length of a solar heat exchanger for solar or buffer tank thermal. This exchanger is the primary solar heat exchanger, so it is mounted on the primary circuit side. [...]

The death of Jean Luc Perrier

Information on the death of Jean Luc Perrier, exceptional independent researcher in solar energy during the 70s Brief summary of the work of JL Perrier He worked in the solar sector and in particular the solar concentration in order to make solar hydrogen. He had managed to run a self-produced solar hydrogen car in […]

A solar and wood house in Lorraine: work, plans and photos self-construction

Here is the complete presentation of a three-energy heating house: solar, wood and electrical complement located in Lorraine. This house "was" an 80 electric home that its owner completely transformed himself into a solar house and wood. The solar and wood duo is for us, the current compromise, the most econological of the moment. This […]

Download: Concentrated Solar Thermal Power Plants

Technical presentation and development potential of thermodynamic solar plants with solar concentration. To find out more: - presentation and operation of solar power plants - synthesis links on solar power plants - Operation and interest of a concentrated solar power station - Vortex solar towers Download the file (an inscription to the Newsletter can [...]

The solar condensed by hydrogen

Solar energy condensed or concentrated in hydrogen. Keywords: hydrogen, H2, solar, thermal, photovoltaic, energy, clean, panels, solar, renewable, sun, ray, inexhaustible Why is it interesting to concentrate or "condense" (abusive term) solar energy and more generally renewable energies ? There are mainly two reasons for this: a temporal cause and a […]

ideal inclination of the solar panels

Find the ideal tilt of the solar panels according to your region. Keywords: France, solar, thermal, inclination, photovoltaic, formula, self-construction, construction, tips, tricks, yield, optimize… The inclination of your solar panels will depend their thermal production over the year and therefore their financial profitability, it is therefore important not to neglect this aspect. Adjust the position […]

solar stirling engine Sthelio

Presentation of a prototype solar Striling engine project: the STHELIO This project was carried out by the Physics Engineering department of the University of Clermont-Ferrand. Project Team: 42 students in Physical Engineering / Teachers in the Physical Engineering sector. Duration of the study: September 2003 to May 2005 Partners: ANVAR, ADEME, ENERIA, Four Solaire Développement, […]

Solar thermodynamic

Thermodynamic solar energy. Definition Mechanical or thermodynamic solar relates to devices which transform solar radiation (heat) "directly" into mechanical movement which either can be used directly or will be transformed into electricity. Mechanical solar is a rare and very special technique. Each "solar engine" has unique, not to say unique, characteristics. He […]

Photovoltaic Solar Energy

Photovoltaic solar power It is estimated that in the latitudes of France, around 45 ° the potentially usable energy of the sun is 1500kwh / m² per year. See the French sunshine map and the DNI solar irradiation of France. With current yields of around 10 to 15%, we obtain 150 to 225 kWh / m².year. So-called "non-integrated" solar panels. [...]

Solar Thermal Energy

Thermal solar: definition and technological and economic considerations. Thermal solar recovers heat from the sun thanks to a fluid which circulates in the panels. In mainland France thermal solar represents more than 55m² of panels. Operating principle The purpose of a solar thermal panel is to transmit the heat emitted […]

The wind in photos

Keywords: wind turbine, wind turbines, photo, photography, park, location, database. The photos on this page are from The Wind Power The Wind Power? What is that ? The Wind Power is a database of wind turbines and wind farms around the world. It contains many galleries […]

Energy wood

The wood-energy sector is back in force In a tense energy context, wood is once again becoming fashionable and the sector is developing on a technical level. The challenge now is to mobilize the resource to ensure sustainable and sufficient supply to meet demand. The wood-energy sector brings together all the uses of wood for […]

The competitiveness of renewable energies

For competitive renewable energies Developing an alternative to conventional energies such as gas, coal or petroleum is a major challenge of the 2st century. On the one hand, these energies are exhaustible, on the other hand, they are very polluting in CO, COXNUMX, NOx. Hydroelectricity, wind, solar or biomass represent alternative production solutions […]

France: the 2005-2006 sun plan

Plan Soleil 2005-2006 - The solar water heater, champion of energy saving, ADEME, 27/04/05 Since 2000, date of its launch, Plan Soleil has created the conditions for a solar market dynamic and sustainable thermal: development of an efficient professional sector (manufacturers and installers of the QUALISOL network) based on quality products adapted to […]