Stirling Engine Articles & Analysis
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An engineer–oriented optimisation of Stirling engine cycle with finite–size finite–speed of revolution thermodynamics
Finite–time thermodynamics takes into account exo–irreversibilities which are not managed by reversible thermodynamics, especially reservoir–to–gas temperature gaps. In today's works, thermodynamicists use the working gas mass as the main imposed parameter. In this paper, the study of the Stirling engine cycle is carried out with a motorist–oriented viewpoint: instead of the working gas mass, the ...
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Exergetical analysis and design optimisation of the Stirling engine
A detailed design optimisation study of an endo- and exoirreversible Stirling engine is carried out. After energetic, entropic and exergetic analyses of the hot-end and cold-end heat exchangers of the engine, an adapted model of the engine, including the heat exchangers and the regenerator, is proposed to optimise the distribution of the limited heat exchangers' total area. Power generation, ...
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Solar-powered Stirling engines: a low-cost possibility for village power, pumping and cooling
Stirling engines are heat engines that operate on a closed thermodynamic regenerative cycle and are used as power systems, refrigerators or heat pumps. Recent developments in Stirling technology allow the use of low temperature heat sources including flat plate solar collectors. New concepts for low-cost, low ΔT Stirling engines that may be made by village craftsmen using locally available ...
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A Stirling Engine celebrates 20,000 hours of uninterrupted operation on Earth Day
A Qnergy Stirling-Based Power Generator reached 20,000 hours (more than two continuous years) of uninterrupted, maintenance-free operation. About five times longer than conventional generators. The generator is installed in the IJ & Jeanné Wagner Jewish Community Center in Salt Lake City, Utah (JCC). It uses Qnergy’s proprietary Free-Piston Stirling technology. The same ...
By Qnergy
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DOE announces $55 million to fund GENSETS And TERRA programs
On June 18, 2015, the U.S. Department of Energy (DOE) announced $55 million in funding for projects to accelerate biomass development and develop generator technologies under the Advanced Research Projects Agency-Energy (ARPA-E). The funding will be divided between two of ARPA-E's programs, GENerators for Small Electrical and Thermal Systems (GENSETS) and Transportation Energy Resources from ...
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Zayed Sustainability Prize Oceania Finalist – Tension Woods College Case Study
The Zayed Sustainability Prize is the UAE’s pioneering global award in sustainability recognising the achievements of those who are driving impactful, innovative and inspiring sustainability solutions across five distinct categories: Health, Food, Energy, Water and Global High Schools. A number of Australian and New Zealand schools have become Oceania finalists and winners in the Global ...
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Working with “the most powerful force in our tiny part of the Universe”
The cutting-edge technology that Solar Mems´applies to its high-precision solar sensors is widely used in space by the main international organizations in the sector, such as the European Space Agency. These remarkable achievements were only made possible by relying on a team of such highly motivated and qualified experts as Manuel Rodríguez, the CTO of Solar Mems. We interviewed him ...
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Advanced High Temperature Solar Thermal - XCPC
SOLAR THERMAL IS HERE TO STAY Artic Solar, Inc. is the exclusive manufacturer of a revolutionary high-temperature solar thermal technology. The XCPC collector utilizes cutting-edge developments in non-imaging optics to provide industrial and facility heating and cooling at lower cost than any other renewable energy source. It is the only roof-mountable solar heating technology with the ...
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